The interaction of actin and myosin filament proteins causes muscle contraction.
Actin and myosin are able to separate from one another when ATP attaches to myosin during muscle contraction, causing it to enter a high-energy state.
Muscle cells include a specific form of endoplasmic reticulum called the sarcoplasmic reticulum (SR), which controls the amount of cytosolic calcium (Ca2+)
Actin and the head of myosin create a cross bridge.
Thin filament is moved by a power stroke, and ATP binds to the myosin head. Cross bridges are detached from actin..
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Memory aids that help organize information for encoding are
a. mnemonic devices
b. memory-enhancing strategies
c. elaborative rehearsal
d. effortful processing
The memory aids that help organize information for encoding are mnemonic devices. Option A
What are Memory aids ?In many settings, we are required to quickly recall information. We are to recall this information strictly from memory and thus they must first be properly encoded into our memory such that we can be able to recall the information when there is a demand for the information.
In such cases, we have need to use a device to help us to be able to put the information in our memory and thus facilitate the quick recognition and retrieval of the information upon the demand of the information.
The mnemonic devices are those devices that help us to be able to recall information at the speed of thought and thus be able to complete certain tasks.
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lixin is an inpatient coder at community hospital. he is determine the ms-drg for a hip replacement surgery. he has determined that the encounter is surgical. what is the next step in the ms-drg assignment process. group of answer choices mdc for the admission refinement questions pre-mdc assignment
Determine the MDC for the principal diagnosis mdc for the admission refinement questions pre-mdc assignment.
Human Macrophage-derived Chemokine (MDC), a New Chemoattractant for Monocytes, Monocyte-derived Dendritic Cells, and Natural Killer Cells – PMC The Major Diagnostic Categories (MDC) are created by grouping all potential primary diagnoses (from ICD-9) into 25 diagnostic subgroups that are mutually exclusive. Each MDC's diagnosis are specific to one organ system or etiology and, in general, are linked to a certain medical speciality. Accurate diagnosis was challenging due to the peculiar mix of symptoms. She has years of experience diagnosing and treating eye conditions. Mild concussion was identified as the cause. His physician first determined that he had pneumonia.
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scleroderma is an autoimmune disease in which repeated bouts of inflammation result in fibroblasts depositing excess collagen in the skin. which of the following would be a symptom of scleroderma?
Scleroderma is an autoimmune disease in which repeated bouts of inflammation result in fibroblasts depositing excess collagen in the skin and it's symptom is less flexibility in the skin.
Scleroderma is a cluster of rare diseases that a lot of usually affects ladies. It unremarkably happens between the ages of thirty and fifty. Symptoms embody modification of the skin, joint pain, exaggerated response to cold (Raynaud's disease) and symptom. Treatments embody medication, physical therapy and surgery.
Collagen is that the most copious supermolecule within the body. Its fiber-like structure is employed to create animal tissue. just like the name implies, this kind of tissue connects alternative tissues and could be a major element of bone, skin, muscles, tendons, and cartilage.
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Scleroderma is an autoimmune disease in which repeated bouts of inflammation result in fibroblasts depositing excess collagen in the skin. Which of the following would be a symptom of scleroderma?
Increased flexibility in the skin.
Weakening of blood vessels in the skin.
Less flexibility in the skin.
Differentiation of skin muscle cells into epithelial cells
Differentiation of skin epithelial cells into muscle cells.
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A disorder marked by frequent eating binges that are followed by forced vomiting or other extreme compensatory behaviors to avoid gaining weight. Also known as binge-purge syndrome.- of disordered people 90-95% women- ages 15-21 onset- lasts several years with periodic let up-weight stays within normal range- some become seriously underweight and qualify for anorexia- concerned with pleasing others, being attractive to others, & having an intimate relationship
Bulimia (boo-LEE-me-uh) nervosa, sometimes known as bulimia, is a severe, possibly fatal eating disorder.
It is characterized by recurring episodes of binge eating on a regular basis, as well as compensatory behavior to avoid weight gain. Bulimics may surreptitiously binge (consume excessive amounts of food with loss of control) and then purge, attempting to get rid of the additional calories in an unhealthy way.
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during the typical eight hour sleep period of a young adult, the length of sleep progressively decreases with each sleep cycle, while the length sleep progressively increases with each cycle.
The quality of sleep varies. Instead, your overall amount of sleep is divided up into numerous iterations of the sleep cycle, which consists of four distinct stages, throughout the course of the night.
The REM and slow-wave stages of sleep oscillate during the sleep cycle. To distinguish it from the circadian cycle of sleep and wakefulness, it is also known as the ultradian sleep cycle, sleep-dream cycle, or REM-NREM cycle. Drugs haven't been able to successfully disrupt the sleep cycle. Drugs can abbreviate REM cycles, but they don't stop the underlying rhythm. Intentional REM deprivation appears to abbreviate the cycle because the brain enters REM sleep more easily as a response to the deprivation.
In philosophy, a quality is a property or characteristic of an item. The concept of qualities in current philosophy, particularly how to discern between different kinds of characteristics, is still debatable. How nice or awful anything is is frequently referred to as its quality: Best-in-class cloth made up the garment.
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which of the following are functions of water? multiple select question. source of energy maintains body temperature medium for chemical reactions lubricates joints
The functions of water are - maintains body temperature, medium for chemical reactions, lubricates joints.
What is body temperature?
People have varying body temperatures. Factors include gender, age, intensity of exercise, health status (including illness and menstruation), the part of the body being measured, consciousness level (awake, asleep, sedated), and emotions. Thermoregulation, in which the central nervous system triggers temperature adjustment, keeps body temperature within the typical range.
Normal human body temperature is the range of temperatures that humans typically experience (sometimes known as euthermia or normothermia). The typical range for the body temperature of a healthy adult is 36.5-37.5 °C (97.9-99.5 °F).
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a nurse is caring for a client with copd that has been prescribed theophylline. list two (2) signs of theophylline toxicity that should be reported to the provider immediately.
The nurse needs to make the patient aware of the potential adverse effects of theophylline, which are as follows: Nausea, Vomiting, Seizures and Insomnia
What is theophylline toxicity?When serum theophylline levels exceed those in the therapeutic range, theophylline toxicity results. This can happen intentionally by taking too much theophylline or unintentionally when theophylline metabolism and/or clearance are changed as a result of certain physiological stresses.
The therapeutic range of theophylline in a patient is 10 to 20 ug/mL. Clients may develop toxicity with larger doses, such as nausea, vomiting, seizures, and insomnia. To prevent any negative consequences, the client should be advised by the nurse to monitor their theophylline levels.
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which of the following is the most accurate characterization of the psychological reactions of women facing abortion?
Women who are denied an abortion are more likely to initially experience higher anxiety, lower life satisfaction, and lower self-esteem than women who received an abortion.
What is an abortion?
Abortion is a method of terminating a pregnancy. It can be accomplished in two ways: Medication abortion is the use of medications to end a pregnancy. It is also known as a "medical abortion" or "pill abortion."
The current study examines predictors of pre-abortion psychological health using data from 353 women seeking abortions. Researchers performed multivariable analyses, drawing on three perspectives in the abortion and mental health literature, expected risks, stress, and coping, to examine the contribution of essential factors on depression and anxiety.
Therefore, research that follows women from well before to after their abortion finds that depressive, anxiety, and stress symptoms are higher just before an abortion than at any time.
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What two areas of the diet should an athlete focus on to assist them to increase their muscle mass?.
The athlete should consider eating more protein- and carbohydrate-rich foods, as the protein will build up their muscles and the carbohydrate will give them the immediate energy they need during their sport.
What is the role of food in athletics?Athletes should consume more fiber-rich foods, carbohydrates and proteins to help them build strong muscles and spend energy. During sports, carbohydrates such as glucose can quickly break down to provide ATP, and proteins are made up of amino acids that are needed for the growth of the muscle. Athletes should not eat more fats as they don't provide immediate energy and hamper performance.
Hence, they should eat more protein and carbohydrates.
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How quickly does cardiorespiratory fitness decline with age?.
Peak VO 2 has been found to decline the cardiorespiratory fitness by 5-10% per decade of life in untrained individuals.
explain about cardio respiration ?
The cardiorespiratory system is responsible for obtaining and transporting important chemicals throughout the body, especially oxygen and nutrients such as dietary energy, vitamins, and minerals. The lungs and digestive system must take in both oxygen and nutrients, which are required for cellular energy generation.
Cardiorespiratory fitness (CRF) diminishes with age in the general population. A 1.6% annual decrease in VO 2 max (mL/kg/min) has been seen in both men and women [1]. Similarly, untrained persons have a 5-10% reduction in peak VO 2 every decade of life.
Firefighting is a dangerous vocation that necessitates a high level of physical condition. Cardiorespiratory fitness (CRF) diminishes with age in the average adult population. We wanted to look at how ageing affects CRF in male career firefighters, as well as how physical activity and obesity affect it. We looked at 804 male career firemen from two Midwestern states in a cross-sectional study. CRF was calculated using the Bruce protocol and symptom-limited maximum treadmill exercise testing in metabolic equivalents (METS). Self-reports of physical activity were obtained through replies to a health and lifestyle questionnaire. CRF diminishes with age, as predicted; however, the reduction is considerably reduced in slimmer firemen who report more physical activity.
Furthermore, we were able to predict CRF=0.6286 in a linear regression model that included age, BMI, and factors indicating physical activity patterns.
Both the total weekly length of aerobic activity and the duration of weight lifting sessions showed substantial effects on age-related decrease. We conclude that firemen who engage in frequent exercise and maintain healthy weights are more likely to maintain the high levels of CRF required to safely execute their responsibilities.
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when ms. anderson had a stroke that left her partly paralyzed and cognitively impaired, her husband took care of her. after four months, mr. anderson has adjusted to the daily routine, but he seems tense, and his ability to cope with new stressors is diminished. it is very likely that mr. anderson is now in the stage of the general adaptation syndrome, but if the situation gets worse and continues for a prolonged period of time, he may enter the stage.
Mrs. Anderson had a stroke that left her partly paralyzed and cognitively impaired, and her husband takes care of her. After four months, Mr. Anderson has adjusted to the daily routine, but he seems tense, and his ability to cope with new stressors is diminished. It is very likely that Mr. Anderson is now in the resistance stage of the general adaptation syndrome, but if the situation gets worse and continues for a prolonged period, he may enter the exhaustion stage.
When something prevents blood flow to a portion of the brain or when a blood vessel in the brain bursts, a stroke, also known as a brain attack, happens. The brain either ages or suffers harm in both scenarios. A stroke may result in permanent brain damage, chronic disability, or even fatality.
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a preoperative client is discussing blood donation with the nurse. which statement by the client indicates to the nurse the need for further teaching?
"My family will donate blood, because it's safer."Blood transfusion treatment is used to treat a variety of blood disorders. Chronic transfusions may result in iron excess, which, if left untreated, may harm internal organs.
If the client communicates to the nurse the need for more teaching, iron from transfused red blood cells might build up by teaching in your body and destroy vital organs if an iron excess is not managed.So, blood donation can be done.
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What type of disease spreads from person to person?
Answer: infectious dieases
Explanation:
infectious diseases commonly spread through the direct transfer of bacteria, viruses or other germs from one person to another
after assessing a woman who has come to the clinic, the nurse suspects that the woman is experiencing abnormal uterine bleeding. which statement by the client would support the nurse's suspicions?
I've been experiencing irregular, occasionally heavy bleeding that comes and goes.
What causes unusual uterine bleeding the most?
Uterine fibroids, uterine adenomyosis, or endometrial polyps are the most often reported causes of such bleeding. Adenomyosis is a disorder in which the endometrium of the uterus develops into the muscular layer of the uterus (the myometrium), in contrast to fibroids, which are benign masses in the myometrium.
Medications, infections, endometriosis, polyps, fibroids, and some forms of contraception are among the known causes of abnormal uterine bleeding. Medication or uterine lining removal via dilatation and curettage (D&C) are both possible forms of treatment.
Therefore, The medical term for menstrual periods with excessively heavy or protracted bleeding is menorrhagia.
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what is infatuation
example of infatuation
Answer:
Infatuation is an intense, short-lived passion or admiration for someone or something
An example of this would be if you saw a story about dinosaurs on tv and loved them so much for a couple and then moved on to space after that
Explanation:
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Greater exposure to chronic stress is associated with _____ levels of cortisol, which is associated with _____ effects on health.
Great exposure to chronic stress is associated with higher levels of cortisol.
The associated effects are :
Accurate effects :
It makes it easier for blood to get to the muscles needed for a fight or flight response.
It makes our palms sweat and aids in our memory of environmental dangers.
inaccurate effects :
It lowers blood pressure and heart rate.
Immune system activity is increased by it.
The main stress hormone, cortisol, raises blood sugar levels (glucose), improves how well your brain uses it, and increases the amount of compounds that can be used to repair cells.
Additionally, cortisol suppresses bodily processes that, in a fight-or-flight scenario, would be unnecessary or detrimental.
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Unhealthy behaviors while dating include all of the following except: a. Spending time with friends and family still b. Controlling one's partner c. Someone stopping you from doing the things you love d. Verbal, physical, and sexual abuse.
a. Spending time with friends and family still.
This is not an unhealthy habit
It is a pattern behaviour which injures one’s physical and mental health.
Unhealthy habits include, bad habits of life
Here, all the listed things are included in the unhealthy habits but spending some quality time with your family can never count in unhealthy habits.
The unhealthy lifestyle has lead to unhealthy habits.
Spending time with friends and family -
1. Known to improve mental health and
2. Social interaction
3. Also, relieves stress.
4. Solutions to problem and better coping mechanism
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What do you think is the dominant quality of Hamlet's character illustrate?.
The reactions of Hamlet to his father's murder
what do you mean illustrate ?
To illustrate means to make something clear or to tell a story using drawings, pictures, instances, or analogies. Giving an example is an example of demonstrating. Someone who illustrates a children's book is an example of illustrate. verb.
1. a. To clarify or explain, especially by using instances or comparisons: The mayor explained the situation with an anecdote.
b. To provide as an example or clarification of: a narrative that demonstrates a larger societal problem.
2. To illustrate (a text) with explanatory or ornamental images: I illustrated the book with colourful illustrations.
3. Obsolete to brighten up; to enlighten
Hamlet's defining characteristic The reactions of Hamlet to his father's murder reveal that he was an extremely sensitive guy. His mind was jumbled, and he was determined to exact vengeance, especially after learning about the killer's nature.
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How can we improve our health?
Answer:
Path to improved health
Eat healthy. What you eat is closely linked to your health. ...
Get regular exercise. ...
Lose weight if you're overweight. ...
Protect your skin. ...
Questions to ask your doctor.
At christmas dinner, your grandfather complains that the food doesn’t taste the same as it used to. Why is this happening?.
Answer:
His number of taste buds has declined with age.
Explanation:
As older your body starts to change. Sand taste buds are not an exception.
Which specialized fields are most common for physical therapists? sports medicine, hands, and feet radiology, neurology, and nutrition aromatherapy, reflexology, and swedish massage geriatrics, pediatrics, and neurology.
Although it is optional, physical therapists can choose to complete an additional year of study in a subspecialty such as neurology, geriatrics (the specialized care of the old), or pediatrics (the specialized treatment of children).
Each state in the US has passed legislation defining, regulating, and licensing physical therapy as a profession. However, the American Physical Therapy Association accredits physical therapy education programs across the US. You can specialize in a certain field of physiotherapies, such as working with cancer patients, elderly patients, pediatrics, or sports injuries. Other opportunities include positions in management, research, and teaching.
As a result, we may state that physical therapists have the option to pursue a specialism for an extra year, such as neurology, geriatrics (the specialist care of the elderly), or pediatrics (the specialized treatment of children).
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Which health component include the quality of peronal and profeional relationhip
Answer: Social Health
Explanation:
B/c Social health includes the quality of personal and professional relationships. Mental & Emotional Health Mental and Emotional Health include the health component that describes the ability to deal with stress.
When did baseball become the national sport in Cuba?.
Baseball became Cuba's national sport between the year 1865-1866.
What is baseball?
In the bat-and-ball game of baseball, two teams of nine players each alternate between batting and fielding. When the umpire indicates to the pitcher that the ball is now in play, either verbally or physically, the game is in progress.
Baseball is regarded as the national sport of Cuba. The majority of Cubans now participate in this sport, which has been performed since around 1865 or 1866. The first baseball game in Cuba was played on December 27, 1874, on a field in the Matanzas province known as Palmar de Junco. The Habana squad won the game against Matanzas with a lopsided score of 51 to 9 runs. Only four years after the incident, Cuba organized the second professional baseball championship in history. The hospital "América Arias" is now located where the game was once held, at the intersection of Avenues L and G.
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According to tcm, what would you recommend your friend to drink if they catch a wind-heat?.
TCM practitioners say that peppermint tea can help clear warmth by way of “dispersing wind”, selling flow of your qi.
Sore throat, feeling heat and/or agitated (whether or not or now not there may be a fever), yellow or inexperienced-colored phlegm, and aversion to heat are some indicators of wind-heat.
A 3rd kind of bloodless, which normally happens within the autumn, is wind dryness. There may be a aggregate of fever and chills with a dry throat and dry cough.
A Wind-warmth cough is normally a loud and cruel cough observed via heavy respiration and thick yellow phlegm that is difficult to expectorate. The person commonly has a fever, an aversion to cold, a dry mouth or sore throat, yellow nasal discharge, a headache and standard aching.
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If a person who has never been infected with the varicella-zoster virus comes in contact with a person who has shingles, they will come down with: A. herpes labialis; B. shingles; C. chickenpox.; D. infectious mononucleosis.; E. herpes keratitis.
Option C. chickenpox ,If you have shingles, persons who have never had chickenpox or who have never had the chickenpox vaccination can get VZV through direct contact with the fluid from your rash blisters.
Shingles can only be contracted after having had chickenpox. When infectious, a person with shingles who is in the blister stage might spread the virus to you, but you would have chickenpox rather than shingles.
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below is a picture of a karyotype of a human's chromosomes. what information can you gain from the karyotype that can help explain why an individual having trisomy 13 (patau's syndrome) has more health issues and a very limited life span compared to someone with trisomy 21 (down syndrome)?
As chromosome 13 is larger than 21 thus more genes will be affected and people will have has more health issues and a very limited life span compared to someone with trisomy 21 (down syndrome).
Aneuploidy is the condition when a cell has more chromosomes than normal, such as when a human cell has 45 or 47 chromosomes instead of the typical 46. A difference in one or more complete sets of chromosomes is excluded. A cell is referred to as euploid if it has any quantity of full chromosomal sets.
Some genetic disorders frequently have an extra or missing chromosome as their root cause. Additionally, some cancer cells contain an unusual number of chromosomes.
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What are the barriers to exercising for people with a disability?.
There are various barriers to exercising for people with a disability.
What are the biggest challenges that people with disability face?
Discrimination, stigma, and stereotypes are just a few of the difficulties that persons with disabilities encounter on a daily basis. Beyond this issue with society's point of view, people with disabilities frequently battle a built environment that prevents them from regular activities.
Almost everyone has hardships and challenges occasionally. However, barriers may occuarriers to the exercising for people with disability. However, barriers may occur more frequently and have a more significant effect for those who are disabled.
Barriers, according to the World Health Organization (WHO), go beyond simple physical impediments. The WHO defines barriers as follows: "Elements in the surroundings of a person that, either by their presence or absence, restrict functioning and result in handicap. These include things like:
Physical barriers to accessibilitya lack of pertinent assistive technology (assistive, adaptive, and rehabilitative devices),unfavorable attitudes toward disability among the general publiclack of services, systems, and policies that either prevent or make it difficult for all people with health conditions to participate in all aspects of life.There are many such barriers which can occur at the same time while other barrier had occur. These are as :
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At least ________ ml of urine is usually needed for testing, depending on the test ordered.
At least 20 ml of urine is typically needed for testing, depending on the test ordered.
Urine testing is a quick and easy way to diagnose a variety of medical conditions, and it is often used to identify illnesses such as urinary tract infections, kidney disease, diabetes, and more. Depending on the test ordered, more or less urine may be needed.
For instance, a typical urinalysis requires at least 20 ml of urine, while a urine culture may require as much as 50 ml or more. In some cases, even more urine may be necessary if the doctor is looking for a specific type of bacteria or other substance in the urine. Even if a smaller amount of urine is needed, it is important to collect enough to perform the test correctly.
Urine testing is an important part of a comprehensive medical evaluation. Urine tests are used to check for a wide range of substances and conditions, from infection to cancer. It is important that enough urine is collected for the test so that the results are accurate and can be used to make a diagnosis.
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A nurse is showing an older adult client the correct method of self-administering an insulin injection at home. Which statement best describes lipoatrophy and lipohypertrophy to the client?Lipoatrophy and lipohypertrophy are conditions of the fatty tissue that can occur from not rotating injection site
Lipoatrophy and lipohypertrophy are conditions of the fatty tissue that can occur from not rotating injection site.
Lipoatrophy is seen as a negative immunological side effect of insulin therapy, whereas insulin lipohypertrophy refers to a benign tumor-like expansion of fatty tissue at the injection site as a result of insulin's lipogenic activity. Since the introduction of recombinant human insulin and its analogs, lipoatrophy has all but disappeared, but lipohypertrophy is still a significant local issue with insulin therapy. Injection into lipodystrophied sites causes inconsistent drug absorption, which increases glycaemic variability and makes it challenging to reach the right level of metabolic control. Although it can occasionally occur in Type 2 diabetics, lipodystrophy is only a complication of young, lean Type 1 diabetics and lean children.
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a nurse is caring for a client at 18-weeks gestation and will be assisting with a scheduled amniocentesis. identify four (4) nursing actions associated with the procedure.
Nursing actions which are associated with the amniocentesis include taking care of the patients and provide them proper medication, observe for any side-effects or reactions.
What are the duties of Nurse?
After amniocentesis, the patient is advised to rest at home and avoid strenuous activities for at least 24 hours, or as directed by the healthcare provider. Tell healthcare provider if experiencing any of the following such as bleeding or leaking of amniotic fluid from the needle puncture site or the vagina, fever or chills.
A therapeutic nursing intervention is to keep the clients informed throughout the procedure. By reducing the client anxiety, physical discomfort.
Nursing actions after the procedure include administering medications and treatments, then monitoring the patients for presence of side-effects and reactions. Creating, and evaluating patient care plans with the medical team of the hospital. Perform regular wound care, such as cleaning and bandaging them.
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