Biology question and answers for December 02, 2023
- Q Hormones are chemical signaling molecules produced by specialized cells and transmitted via the circulatory system to all other cells in the body Which of the following describes a condition that...
- Q The regulation of the blood glucose level represents an important feedback loop in the hu man body After a meal the blood glucose level becomes elevated stimulating beta cells of...
- Q A certain peptide hormone is produced in the anterior pituitary gland located at the base of the mammalian brain The hormone targets specific cells in many parts of the body...
- Q 15 Which ion channels are open during depolarization phase Voltage gated K channels Ligand gated Na channels
- Q A gust of wind blows a leaf into the water Which spheres are interacting 1 Point geosphere atmosphere and biosphere
- Q 2 Adrenaline stimulates glycogen breakdown in skeletal muscle cells by ultimately activating glycogen phosphorylase the enzyme that breaks down glycogen to release glucose as depicted in the figure below A...
- Q Choose the sentence that has no problem in agreement.The new regulations implemented at the university was confusing.There are numerous ways in which Washington is different from New York.Tennis is a...
- Q While innate immunity ______ , adaptive immunity ________is adapted to handle a specific antigen; is present at birthattacks a broad range of microbes; attacks specific microbesis slower to respond; is...
- Q A ligand:binds selectively to specific target receptorsbinds to the intracellular side of the receptor proteinhas the same effect at each type of receptor it binds tois part of the last...
- Q Thermoregulation in the human may be carried out bythe action of certain hormones (ie epinephrine) which affect metabolic rates.muscular activity.vasodilation and vasoconstriction of surface blood vessels.All of the above are...
- Q Which of the following is not considered to be a component of the endocrine system?pituitary glandadrenal glandgastric glandthyroid gland
- Q Which of the following statements regarding chemical signals is FALSE?a) Hormones are the only types of signal molecules found in the human body.b) Ligands act as chemical signals by binding...
- Q Which of the following are possible long term effects of diabetes?Select all that apply.A blindnessB heart diseaseC kidney failureD death
- Q Your roommate claims that he has been much more successful in getting attention from the opposite sex since he started adding a pheromone to his aftershave. What is the most...
- Q Lucia is anxious about delivering her first speech. Which of the following is a typical response to fear?Hands may feel sweaty or clammy.Heart rate increases, raising blood pressure.Butterfly feeling in...
- Q When a neuron is at rest, there is always moreoutside the cell and moreinsidethe cell.a. Na+; K+b. K+; Na+c. iodiate; sucrolated. ATP; glucosee. acetylcholine; darwinoseThese gradients help keep the membrane...
- Q The damage of the autoimmune response in Diabetes Mellitus Type Iis to insulin secreting cellsis to cells of islets of pancreascreates hyperglycemia, and extreme thirsttwo of the aboveA, B and...
- Q The brain produces oxytocin, a peptide hormone that helps produce contractions for childbirth. Describe the process by which the cells would make oxytocin (what organelles are involved and what happens...
- Q A patient is diagnosed with Cushing syndrome and has very high cortisol levels.Choose the best answer for each question from the drop-down menu.You're talking with the patient. Which of her...
- Q The patient's arms and legs are getting thinner. Why?cortisol is a catabolic hormone that makes tissues break down their stored foodin Cushing syndrome, the pancreatic alpha cells secrete lots of...
- Q When there is too much growth hormone, its rate of secretion will be decreased because:Select one:a. the hypothalamus will release somatostatinb. the anterior pituitary will stop releasing growth hormone stimulating...
- Q A young female discusses birth control options with her physician, and hasdecided to take a pill orally every day that contains both estrogen andprogesterone. What is the best explanation for...
- Q A hyperthyroid patient has diarrhea, a rapid heartbeat and high temperature,with severe restlessness. What do you think is most likely to be causing hercurrent problems?a. myxedemab. thyroid stormc. decreased TRHd....
- Q CO2 Which of the following are associated with Type Diabetes? (NOTE Select all that apply, as more than one answer may be correct) Answers A - EA An autoimmune disorderB...
- Q What is the impact of a low-fiber diet on people with Type 1 diabetes? Use evidence from the text and graphics to support your answer.
- Q Describe the causes of high blood glucose levels in Type 1 diabetes and Type 2 diabetes. Use evidence from the text and graphics to support your answer.
- Q Insulin is a protein synthesized in the cytoplasm of pancreas cells and then transported to the plasma membrane where it enters the blood-stream. Create a model to show the path...
- Q Several answers can be correct. Check all the correctanswers.An allelea. is a version of a geneb. is part of the genotypec. is described by a word, either a noun or...
- Q A client who is acutely ill is having difficulty maintaining a steady blood pressure. The nurse recognizes that when the client's blood pressure drops, the hormonal mechanism that immediately takes...
- Q You and your friends decide to go to a scary Halloween haunted house, whereyou get very scared and feel an "adrenaline rush". Which of the followingstatements correctly describes the signalling...
- Q If the adrenal glands were removed from a patient, his plasma cortisol levelswould ________, secretion of CRH by the _______ would and secretion of ACTH by the______would_______.decrease; hypothalamus; increase; anterior...
- Q If hormone A causes the production of hormone B, which of the following is an exampleof a negative feedback mechanism?a) Hormone A and hormone B act together to inhibit cell...
- Q Failure to inhibit gluconeogenesis is a characteristic of:pancreatic disorderinsulin resistancePEPCK activationType 1 diabeteslong-term starvation
- Q A neurostransmitter is aspecial group of neurons in the central nervous system.a class of chemicals involved in neuron transmission in the central nervous system.are located in the synaptic terminals of...
- Q Each of the following statements concerning the hormone atrial natriuretic peptide is true except one: Identify the exception.(A) Atrial natriuretic peptide is produced by cells in the heart.(B) Atrial natriuretic...
- Q ALL these are TRUE of the endocrine system or the nervous system or both EXCEPT:(A) Both systems coordinate body functions(B) The endocrine system targets all body cells(C) Nervous system produces...
- Q Which one of the following is a function of the adrenocorticoid hormones?(A) Lowers blood pressure(B) Raise blood level of calcium(C) Convert glucose to amino acids(D) Lower blood level of sodium(E)...
- Q Choose the FALSE statement(A) Both ADH and Aldosterone tend to lead to water retention and increase in blood pressure(B) PTH activates Vitamin D, which enhances calcium absorption(C) PTH activates osteoclasts,...
- Q What are the mechanisms by which insulin decreases blood sugar?(A) Facilitates the movement of sugar from blood to cells to generate ATP(B) By glycogenesis- joining glucose to form glycogen(C) Conversion...
- Q Which of the following hormones is NOT secreted by the thyroid gland?(A) Thyroxine(B) Triiodothyronine(C) Calcitonin(D) Tetraiodothyronine(E) None of the above.DBEAC
- Q Steroid hormones(A) Are proteins(B) Bind to receptors in the inside of their target cell(C) Remain in circulation for relatively short periods of time(D) Are transported in blood dissolved in plasma(E)...
- Q Melatonin is a molecule that is produced in the pineal gland and secreted into the blood. Melatonin then travels to different parts of the brain. It causes drowsiness and decreases...
- Q When an antigen attacks the body, it activates adaptive immunity. This adaptive immunity produces a strong response when it encounters the same antigen for the second time. Which feature of...
- Q Which situation isthe best example ofirony?A. A baker has a wheatallergy.B. A farmer plants a seed,and it grows.C. You pick your apples tooearly and they aren't ripe.
- Q Which of the following would most likely inhibit your sense of smell?An adenylyl cyclase inhibitor.APKA inhibitor.An IP3-gated Ca2+-release channel inhibitor.A Gq protein inhibitor.
- Q The hypothalamus plays an important role inAdrenal function(the) Stress responseReproductive functionAll of these functions/responses
- Q Which one of the following is the most likely explanation for hypothyroidism in a patient whose dietary iodine consumption is normal?A) greater secretion of T3 than T4.B) Grave's disease.C) reduced...
- Q Which one of the following statements is incorrect?A) Somatostatin inhibits release of somatotropin.B) Melanocyte stimulating hormone is a satiety signal in the brain.C) In a patient with an over-secreting tumor...
- Q Write or present (podcast, video) a short paragraph on how the pine beetle infestation affects you as either a local elder or a logger. If you choose to create a...
- Q The sodium -potassium pump is one of the most important pumps in all of human physiology. Put the action steps in order from the start of the process to the...
- Q -. Sometimes, researchers want to observe two molecuies with relatively similar molecular weights. For example, in the gel we electrophoresed in this lab, we can see that the two bands...
- Q Which conditions is not regulated or maintained by homeostasis?blood pressurefluid levelstemperatureblood glucosegas exhangepulse rate
- Q How is signaling induced by a protein hormone different from the signaling induced by a steroid hormone? Signaling induced by steroid hormones. causes a much faster cellular response than signaling...
- Q Which cells will respond to a particular hormone?None of these are correct.Cells that produce a transporter for that hormone can respond to it.Cells that produce a receptor that can bind...
- Q Analysis of liver cells shows that glycogen is notbeing broken down. What is likely to be true ofhormone levels in the blood?Glucagon levels are highGlucagon levels are lowInsulin levels are...
- Q Hormones K, F, and C each increase appetite in the body on their own. However, when all threehormones are present at the same time, they drastically increase appetite more than...
- Q You are traveling with Guy Fieri, trying all the weird dives, and he's suffering from hyperkalemia! TheJack Daniel's diet isn't working for him. He has an increased concentration of potassium...
- Q Where are sensors (a.k.a. receptors) found for feedback loops that involved hormones?On axons of hypothalamic neuronsInbedded in the walls of blood vesselsOn or within the cells that act as control...
- Q Epinephrine can cause many different responses; it can alter glycogen metabolism, induce fatbreakdown, regulate heart rate, or even have no effect on a cell's behavior. Which of the following does...
- Q Microbial growth at optimum temperature causes the enzyme reactions to occur at:Rapidly increasing ratesConstant ratesMinimum ratesMaximum ratesRapidly decreasing rates
- Q Corticotropin-releasing factor is produced by which tissues?HypothalamusOvariesAnterior pituitaryAdrenal glands
- Q Which of the following are chemical defenses in the body's first line of defense?lysozymes in the skinIntact skinnormal microbiota like Lactobacillus lining the vaginal tractmucus lining the upper respiratory tractall...
- Q "Some antibiotics generate an immune response and patients have to avoid such antibiotics that they may be allergic to. These antibiotics are usually small molecules, but will only gen response...
- Q The interaction of the nervous and endocrine systems Both the nervous system and endocrine system help coordinate the body's responses to the external and internal environment as well as help...
- Q Which of stage of the Pyschosocial Theory states that children will begin to lose self-esteem if they are subjected to harsh criticism?Trust vs. MistrustIntimacy vs. IsolationAutonomy vs. ShameInitiative vs. Guilt
- Q Which hormones act on the DCT and CD to increase blood pressure: blank blank do not put a comma or the word "and". Do not abbreviate.The cells of the pancreas...
- Q What is the MOST likely consequence of setting unrealistic goals?A. The individual will achieve a result greater than expected.B. The individual will experience greater motivation toward reaching the goal.C. The...
- Q The parathyroid glandis located within the thyroid gland.helps regulate your heartbeat rate.helps regulate the balance of the calcium ions within your blood.All of the above are correct.
- Q The best definintion for a tropic hormone is one that:a) is activated when the environment reaches a temperature higher than the body temperature.b) is secreted out of the body (i.e....
- Q The parathyroid glandis located within the thyroid gland.helps regulate your heartbeat rate.helps regulate the balance of the calcium ions within your blood.All of the above are correct.
- Q When a stimulus is reinforced to continue in the same direction until a climactic event occurs, it is best as described as which of the following?Positive feedbackNegative feedback
- Q Physiological responses to stress include activation of the: autonomic nervous system which secretes the hormone cortisol. HPA axis, which is crucially involved in chronic stress. autonomic nervous system which secretes...
- Q The signal that directs proton pumps to the lysosome isSelect an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.a KDELb mannose 6 phosphatec...
- Q Carefully read these sentences from paragraph 9 of the article. Based on the context clues, choose the correct meaning for the word stimulation.All this stimulation can get exhausting. Some synesthetes...
- Q Arthur Dent, a 28 year old man living in Wokingham attended an outpatient clinic with his wife. He had noticed gradually worsening tiredness and fatigability making his job difficult to...
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