Which process is used to remove bacteria, necrotic tissue, and organic debris from the root canal?
Debridement is the process used to remove bacteria, necrotic tissue, and organic debris from the root canal; option C.
What is the role of a dentist in tooth and gum care?A dentist is a professional who specializes in the care of the tooth and the gum.
Dentists are important healthcare professionals as they can perform several forms of surgeries to bring relief to patients with several dental issues.
Several branches of dentistry exists, one of which is endodontics.
Endodontics is the branch of dentistry that is concerned with the dental pulp and tissues surrounding the roots of a tooth.
One of the processes employed in endodontics is debridement.
Debridement involves the surgical removal of bacteria, necrotic tissue, and organic debris from the root canal.
In conclusion, dentists are concerned with dental health of individuals.
Endodontists are dentists who treat issues of the dental pulp and tissues surrounding the roots of a tooth.
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The complete question is:
Which process is used to remove bacteria, necrotic tissue, and organic debris from the root canal?
A. Obturation
B. Opening the canal
C. Debridement
D. Shaping
Describe how ADH affects the kidney tubules to bring about the relationship
The Antidiuretic hormone ( ADH ) affects the kidney tubules tp bring about the reabsorption of water in the glomerular filtrate.
Thus, the Antidiuretic hormone ( ADH ) also play a vital role in the kidney in homeostasis
What is homeostasis?Homeostasis can simply be defined as the steady maintenance of the internal environment of an organism. Living organisms usually find a way to balance any low or high concentration of substances in the internal environment
Below are what makes up the internal environment of an organism:
BloodLymphIntercellular fluidsSo therefore, cell structures involved releases glucagon to raises the blood glucose levels when the glucose levels in the blood is low
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What gas is required for optimum production of adenosine triphosphate (atp)?
a. argon
b. carbon dioxide
c. nitrous oxide
d. oxygen
How might a mutation in either a hormone or its receptor affect the physiological system that it normally regulates?
A mutation in either a hormone or its receptor might affect the physiological system that it normally regulates by either blocking hormone effect or creating a completely different effect.
Hormones can be called chemical messengers which coordinate distinct functions in the body. Many glands, organs and tissues produce and release hormones, many of which constitute the endocrine system.
A hormone will only act on a part of the body if it fits i.e. if the cells in the target tissue have receptors which can receive the message of the hormone. Given that hormones carry instructions in their structure, mutations alter their structures by changing nucleic acid sequences which blocks hormone function.
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How is most of the motor activity in the somatic nervous system coordinated? a. voluntarily b. consciously c. reflexively d. subconsciously e. sequentially
Answer:
D. Subconsciously
Explanation:
Which white blood cell phagocytizes microorganisms and becomes a macrophage in the tissue?
Monocytes are white blood cell that phagocytizes microorganisms and becomes a macrophage in the tissue
Monocytes, a subtype of white blood cells, give rise to macrophages. When monocytes travel from the bloodstream to the tissues, they develop into macrophages. A monocyte is a subtype of phagocyte and a type of white blood cell. Enlarge. plasma cells.
White blood cells (monocytes, lymphocytes, neutrophils, eosinophils, basophils, and macrophages), red blood cells (erythrocytes), and platelets are among the various cell types found in the blood.
It may also be related to several cancers, particularly leukemia. When you are recuperating from an acute infection, a high monocyte count may happen. Your body could be more prone to infection if your monocyte count is low. Infection is one cause of a decreased white blood cell count.
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When a shockable rhythm is present during cardiac arrest and a biphasic manual defibrillator is available, the initial energy level selected should be:________
When shockable rhythm is present during cardiac arrest and biphasic manual defibrillator is available, the initial energy selected should be between 120 - 200J
If a person goes into cardiac arrest immediately start CPR and also provide oxygen and connect a defibrillator if available. Continue CPR for 5 cycles and check for shockable rhythm.
If a shockable rhythm is observed, use the biphasic manual defibrillator for the initial shock at 120 - 200 J based on the device. Then check for a pulse. If a pulse is present, begin the post resuscitation care.
If there is no pulse or asystolic, then start the CPR cycle again until the shockable rhythm is observed. Then shock at 200J using a biphasic manual defibrillator.
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The narrow space between the axon terminal and the motor end plate is called the:_______
a) vesicle
b) synaptic
c) cleft
d) sarcolemma
e) axon
The narrow space between the axon terminal and the motor end plate is called the synaptic.
What is synaptic?The places of contact between neurons known as synapses are where information is transferred from one neuron to the next. Presynaptic neuron, synaptic cleft, and postsynaptic neuron are the three components of synapses, which most frequently occur between axons and dendrites.Synaptic connections between brain cells are the points at which electrical signals are transferred from one nerve cell to another. The synaptic gap is when nerve signals jump from one nerve cell to another.The tiny space between two neurons known as a synapse is where a neurotransmitter relays nerve impulses from the axon of a presynaptic neuron to the dendrite of a postsynaptic neuron. The term "synaptic cleft" or "synaptic gap" is used to describe it.The purpose of synapses is to send electrical signals between two neurons or between a neuron and a muscle cell. Synapses allow one neuron to communicate with another, which enables messages to travel from the nerves to the brain and vice versa.
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What was the name of a wealthy Saudi who quickly rose to leadership
within the mujahideen?
What organism began to grow in large numbers in lake washington as a result of the relaase of effluent from sewage treatment plans?
Cyanobacteria (blue-green algae) began to grow in large numbers in lake Washington as a result of the release of effluent from sewage treatment plans. Human activities have a big impact on water quality, but other, more subtle biological processes are also quite important.
An intriguing illustration of how anthropogenic factors and biological processes can change water quality is Lake Washington. The late Dr. W.T. Edmondson, spent many years researching the biology and chemistry of Lake Washington.Between 1941 and 1963, the lake received growing amounts of secondary processed sewage, which led to eutrophication and a decrease in the lake's water quality. From 1955 to 1973, cyanobacteria dominated the planktonic algae community.
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5. What does basal metabolic rate mean?
A. You do not exercise and have a low muscle to fat ratio
B. Slow chemical reactions in the cells.
C. You body does not burn calories.
D. The rate the body uses energy when at rest.
According to the research, the correct option is D. Basal metabolic rate is the rate the body uses energy when at rest.
What is basal metabolic rate?It is a rate that indicates the minimum amount of energy (quantity of calories) in the resting state that the body needs for the correct functioning of the organism these vital functions include those that do not stop consciously, such as cardiovascular activity , respiratory, others.
In other words, it is a parameter that is used to estimate the basic energy expenditure for the body to cover its vital metabolic functions as breathing even if it is completely at rest under conditions of thermoneutrality.
Therefore, we can conclude that according to the research, the correct option is D. Basal metabolic rate is the rate the body uses energy when at rest.
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What might happen if a substance that is not a substrate molecule binds to an enzyme's active site?
If a substance which is not a substrate happens to bind to the active site of an enzyme, it will result in the reduction of the activity of the enzyme.
For an enzyme to catalyze a reaction, a substrate has to come and bind to the active site which is present on the enzyme. As the substrates binds, some modifications occur resulting in a change of shape of the active site and results in the grasping of the substrate more tightly and thereby catalyzing the reaction.
If a substance which is not a substrate comes and takes the place of the substrate on the active site, the rate of the reaction will slow down as the active site will now not be able to bind to the target molecule.
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Calcitonin _________ osteoclast activity, which will _________ blood calcium levels.
Calcitonin suppress osteoclast activity, which will lowers blood calcium levels.
What is Calcitonin?Calcitonin is a hormone secreted by thyroid gland.Calcitonin reduces the concentration of blood calcium level when it is above normal level.This polypetide hormone is made up of 32 amino acid and is mainly produced by C cells of the thyroid gland.In fish, birds and other non-mammalian animals, Calcitonin is produced by cells of the ultimobranchial body.To learn more about thyroid gland, refer :
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Answer: Calcitonin inhibits osteoclast activity, which will decrease blood calcium levels.
Explanation: I have same question on my review. Calcitonin decreases blood calcium levels by inhibiting osteoclast activity.
Based on your understanding of fruit fly phenotypes, which tobacco plant phenotype would be considered the wild type phenotype?
Based on the understanding of fruit fly phenotypes, the wild type phenotype of tobacco plant shows following characteristics:-
The stem is thick and not much branched.The leaves of the plant are lanceolate, tapering on both the ends, yellowish-green above and paler beneath.The plant has sticky hair on all of its parts.And the flowers are lavender-blue with yellow stamens, in compact clusters at ends of branches.A wild type phenotype is the one that predominates in a natural population of organisms in contrast to that of laboratory mutant forms. For example-the physical appearance of wild type flies includes red eyes, yellow-brown body color, as well as transverse black rings across their abdomen.
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WBC count that can cause turbidity in the cyanmethemoglobin method resulting to falsely high hemoglobin value:_____.
A very high WBC count can lead to turbidity in the cyanmethemoglobin method resulting in falsely high hemoglobin value.
Cyanmethemoglobin method is a method which is used for the estimation of hemoglobin. In this method, hemoglobin is converted to cyanmethemoglobin by adding ferricyanide and potassium cyanide. The absorbance is then measured at 540nm using a spectrophotometer.
This is a very advantageous method as it is able to measure all forms of hemoglobin except sulphaemoglonin and also since spectrophotometer is used, subjective errors are avoided. But, if the WBC count is very high, it can lead to turbidity in the cyanmethemoglobin method resulting in falsely high hemoglobin value.
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Ethical dilemmas raised by dna technology and knowledge of the human genome include?
Ethical dilemmas raised by DNA technology and knowledge of the human genome include the potential for interfering in evolution, the safety of GM foods and the potential discrimination against people predisposed to certain diseases.
What about DNA?Recombinant DNA technology raises safety concerns such as "gene pollution" of the environment leading to "superweeds" and antibiotic-resistant microorganisms. Health impacts of GMO-containing food. Effectiveness of medicinal substances created using DNA technology, allergenicity, and adverse immunological reactions.Basic human mistake and bias, accusing the innocent of crimes, privacy rights, and an increase in racial inequities are some of these problems. Researchers Itiel Dror and Greg Hampikian discovered in their widely cited study from 2011 that forensic professionals and lab technicians had quite different perspectives on how to analyze DNA.Germline genome editing raises a number of bioethical concerns, including the possibility of unintended modifications to the genome, who should provide informed consent, how to do so, and the breeding of the human species (eugenics).Learn more about DNA here:
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Question: Ethical dilemmas raised by DNA technology and knowledge of the human genome include ______.
A. the potential for interfering in evolution
B. the safety of GM foods
C. the potential discrimination against people predisposed to certain diseases
D. all of the above
What is the most common explanation for circadian rhythm dysregulation in modern society?
Answer choices:
We live in a society
Blue light from device screens
CLOCK gene mutations from plastics
The sun
The most common explanation for dysregulation of circadian rhythm in modern society is blue light from device screens
Blue light from device screensWhat happens if the circadian rhythm is dysregulated?The most frequent symptoms are insomnia and drowsiness, decreased vitality and performance, which may increase the risk of accidents at work, increased rate of breast, colorectal and prostate cancer, increased blood pressure, increased gastrointestinal disorders and problems reproductive.
What are the effects caused by blue light?Using electronics that emit blue light for more than 6 hours a day can cause headaches, eye strain and premature retinal aging. There are two types of blue light: turquoise and violet.
With this information, we can conclude that Circadian rhythms are physical, mental, and behavioral changes that follow a 24-hour cycle.
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Collecting tubules merge to form the ducts of bellini.
a. true
b. false
It is true that the collecting tubules merge to form the ducts of Bellini.
Papillary ducts or collecting ducts or the renal collecting tubules were formerly known as the ducts of Bellini. They are structures which are present in the distal portion of the collecting ducts in our kidneys.
These ducts are formed when collecting tubules merge. They receive the renal filtrate, which is the precursor to urine, from a number of medullary collecting ducts and it empties into a minor calyx. These ducts regulate the reabsorption of water and also balances the electrolytes.
Hence option a is the correct option.
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What are the chemical changes that occur in your blood that will potentially stimulate an increase in ventilation during and shortly after exercise?
More CO2 and H+ is generated, enhancing oxygen unloading in the muscles in the process.
When you exercise and your muscles work harder, your body uses more oxygen and produces more carbon dioxide. To cope with this extra demand, your breathing has to increase from about 15 times a minute when you are resting, up to about 40–60 times a minute during exercise.
The gas exchange requirements of the lung increase due to an increased oxygen consumption and increased carbon dioxide production. In addition, both the respiratory rate and tidal volume increase, hence alveolar ventilation also increases. This increases the rate of gas exchange and minute volume.
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Which hormone released by the highlighted structure inhibits the secretion of fsh only inhibin?
Inhibin hormone released by the highlighted structure inhibits the secretion of FSH only.
What is inhibin hormone?A protein called inhibin is secreted by the granulosa cells in women and the Sertoli cells in men. It decreases the amount of LH-releasing hormone in the hypothalamus and prevents the pituitary gland from producing and releasing follicle-stimulating hormone.Inhibin is a factor in the feedback control of FSH secretion in both males and females going through puberty. Follistatin suppresses FSH-subunit expression like inhibin, whereas activin enhances it, which in turn influences FSH production and secretion.Inhibin A is secreted by the corpora lutea and dominant ovarian follicles in women, which helps to explain why levels are so high during the late follicular and luteal stages. During the late luteal and early follicular phases of the menstrual cycle, inhibin B is reciprocally raised.Learn more about inhibin here:
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Question: Which hormone released by the highlighted structure inhibits the secretion of FSH only?
The scientist whose work provided the foundation for later understandings of genetics was:____.
a. john ray.
b. charles darwin.
c. gregor mendel.
d. robert hooke.
The scientist whose work provided the foundation for later understandings of genetics was Gregor Mendel (option c).
Who was Gregor Mendel?Gregor Mendel was an Hungarian scientist who worked by making genetic crosses in pea plants and thus discovered two fundamental laws in genetics.
Mendel laws include the principle of independent segregation between alleles (genetic factors) and dominance of one allele on another, which are known as dominant allele and recessive allele, respectively.
In conclusion, the scientist whose work provided the foundation for later understandings of genetics field was Gregor Mendel (option c).
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How many African Americans are carriers of the sickle-cell allele?
1 in 100
1 in 11
1 in 500
1 in 50
Answer:
Sickle cell trait is an inherited blood disorder that affects 1 million to 3 million Americans and 8 to 10 percent of African Americans.
Sickle cell anemia is an autosomal recessive disorder that is carried by 1 in 500 African Americans, according to the National Institute of Health (NIH).
Sickle cell anemia occurs due to mutation in the beta chain of the hemoglobin molecule, where the glutamic acid at the 6th position of chromosome 11 is substituted by valine.
Having a sickle cell trait cannot cause disorder because the person with the sickle cell trait only contains one allele containing this mutation. Contrary to this, a patient with Sickle cell anemia has a mutation in both alleles.
The African populations were most prone to malaria, and sickle cell trait evolved as a mechanism of defense against malaria. Having the Sickle cell trait helps in fighting the malarial pathogen.
Apart from the African American population, people having ancestors from Sub-Saharan, South Asian, Middle Eastern, Central, and South American origin are also prone to contain the Sickle cell trait.
This concludes that people of African American origin are prone to inherit the sickle cell trait from their ancestors, and about 1 in every 500 people will be a carrier of this allele.
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Which type of selection acts to eliminate individuals which are intermediate on a phenotypic range?
Disruptive selection acts to eliminate individuals which are intermediate on a phenotypic range.
What is disruptive selection?Extreme values of a trait are preferred above intermediate values in population genetic alterations known as disruptive selection, also known as diversifying selection. In this situation, the trait's variation rises and the population is split into two clearly defined groups.A population that has two extreme variants of a trait as the dominant phenotype is the result of disruptive selection. For instance, disruptive selection would be in play if both short and tall species, but not medium-sized organisms, were favored.A type of natural selection in which traits with extreme values are preferred over those with moderate values.A type of natural selection known as stabilizing selection is one in which genetic diversity declines as the population stabilizes on a particular trait value.Natural selection that discriminates against the typical person in a population is known as disruptive selection. This kind of population would consist primarily of phenotypes (individuals having sets of features) at either extreme and very few individuals in the middle.Learn more about disruptive selection here:
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An example of homeostasis in living organisms is.............
a. cooling effect resulting from evaporation of water from the body surface
b. root hairs of a plant growing towards a source of light
c. changing of the body color of a chameleon to match the color of the foliage on which it is resting
d. the release of phosphorus into the phloem of a plant growing in a phosphorus deficient soil.
PLS HELP ASAP to choose the correct option
Answer:
d. the release of phosphorus into the phloem of a plant growing in a phosphorus deficient soil.
Explanation:
Homeostasis is a living organism's way of maintaining a stable internal environment even in the event of external environmental changes. When the plant keeps supplying phosphorus to the phloem even in the case of a deficiency in the soil, it maintains a steady balance on its inside irrespective of the lack in the soil.
The type of growth that a population may show when food and habitat are limitless is called?
A type of growth that a population may show when food and habitat are limitless is exponential population growth.
What is exponential population growth?The case in which resources are limitless a population can experience exponential population growth where the size increases at a greater rate.
Exponential growth occurs when there is large quantity of resources are present and few individuals are there to utilize it
When number of individuals increases the resources will depleted and growth rate will slow down.
Therefore, exponential population growth is the type of growth in which resources are plenty in comparison of population.
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Studies on identical twins have found that differences in genes explain ________ of the variability in personality traits.
Studies on identical twins have found that differences in genes explain 50% of the variability in personality traits.
According to twin studies on personality, genetic influences account for around half of personality variation, with environmental factors causing individuals from the same family to have different personalities accounting for the remaining half. However, these conclusions are supported by quantitative models of human individual differences that calculate genetic and environmental contributions as constants across entire populations.
According to genetic studies, there are 5.2 genetic mutations that separate identical twins on average. Although the same set of genes are used to create identical twins, human development is not entirely genetic. Another factor is the surroundings. The degree to which genetic variation contributes to variation in a specific characteristic can be ascertained by contrasting concordance rates of identical twins and concordance rates of fraternal twins.
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Good sources of riboflavin include:______
a) milk, meats, and green vegetables.
b) refined grains and pork.
c) citrus fruits and berries.
d) potatoes, carrots, and bananas.
Good sources of riboflavin includes is milk , meats, and green vegetables.Riboflavin is a dietary supplement which is also called as vitamin B2, found in food.
It is essential for proper development of the skin, lining of digestive tract, blood cells, and brain function. Its involved in many function in human body. Riboflavin used to prevent deficiency for migraine and high levels of homo-cysteine in the blood.
Deficiency Riboflavin caused fatigue, swollen,throat,blurred vision, and depression. It can be affect skin which caused skin crack , itching and around the mouth dermatitis.Vitamin B2 helps human body to build red blood cells and supportive functions which gives energy.
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In which stage of mitosis does exchange of genetic material between chromosomes (crossing over) occur?
Meiosis's pachytene substage of prophase I is when crossing over occurs, but the diplotene substage of prophase I is when it becomes evident. Tetrads will be formed when the homologous chromosomes align with one another.
DNA sequences may be swapped between the homologous chromosomes during this lining up. It facilitates character mixing, resulting in the production of both parental and recombinant forms. Crossing over is the term for the form of genetic recombination that enables the meiotic daughter cells to differ genetically from one another.
Only chromosomes that are homologous can cross across. After meiosis I, cells turn haploid and are no longer capable of crossing across.
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Researchers isolated peptidoglycan from a eukaryotic cell. The best explanation for this would be that?
Studies have shown that the peptidoglycan in eukaryotes is essential for their cell division and tumor cell formation.
Commonly, peptidoglycan (PG) is the component of the cell wall of prokaryotes, especially bacteria.
Recent discovery of endogenous synthesis of peptidoglycan in eukaryotes stated that the amount of PG difference between animals and bacteria becomes quantitative and no longer qualitative.
Some propose that bacterial surface components, whose synthesis is encoded in genes inherited by the eukaryotes from the ancestors of the organelles, may play a role in inter and intracellular communication.
This is the reason that PG synthesis can be correlated to two of the most fundamental processes in higher organisms, i.e. cell division, Aging and tumor formation.
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Autoimmune diseases are an example of a(n) ________ response by the immune system.
