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☕️ Coffee - ☕️ QUIZ 07: CONTROL OF THE SYSTEMIC CIRCULATION [page 234]

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Published	01/14/2024	1. Baroreceptors that detect increases in blood pressure are found in theA. left ventricleB. carotico-aortic bodiesC. carotico-aortic sinusesD. superi…
Published	01/14/2024	2. A patient responded to a drug with a decrease in his total systemic peripheral resistance and an increase in mean arterial pressure. Which of the f…
Published	01/14/2024	3. A decrease in blood volume activates the RAA system and ultimately aldosterone release. Aldosterone acts on the kidney to bring back the blood volu…
Published	01/14/2024	4. A 60-year-old male presented to the emergency room because of right-sided weakness and slurring of speech. He has hypertension and dyslipidemia and…
Published	01/14/2024	5. Sudden reduction in intracranial pressure causing a fall in systemic BP forms the premise of which reflex?A. BainbridgeB. Bezold-JarischC. CushingD…
Published	01/14/2024	6. When an individual who is in the recumbent position for quite some time decides to stand abruptly, he experiences orthostatic hypotension. Which of…
Published	01/14/2024	7. Blood flow to the skin is primarily controlled by which mechanism?A. EndothelialB. MetabolicC. MyogenicD. Neural
Published	01/14/2024	8. What is the body’s most immediate response to severe hemorrhage? Activation ofA. thirst centerB. Hering-Breuer reflexC. low-pressure baroreceptorsD…
Published	01/14/2024	9. Local blood flow to a tissue increases in response to _____ metabolic activity and ______ oxygen availability.A. increased; increasedB. increased; …
Published	01/14/2024	10. Both intrinsic and extrinsic mechanisms are dominant in the control of blood flow to theA. brainB. heartC. skinD. skeletal muscles
Published	01/14/2024	11. Arrange the organs based on increasing blood flow (in terms of ml/min/100g of tissue) under basal conditions?A. Bone < brain < heart < th…
Published	01/14/2024	12. Increased metabolic rate increases the formation of vasodilator metabolites which bring about vasodilation. This statement forms the basic premise…
Published	01/14/2024	13. Medical treatment of a 24-year-old male with early-onset hypertension as a result of renin-secreting tumor of the left kidneyA. Fosinopril, an ACE…
Published	01/14/2024	14. Which of the following statements is correct about angiogenesis?A. Hastened by substances such as steroids and angiotensinB. Characterized by the …
Published	01/14/2024	15. A subject had his blood pressure taken using an aneroid manometer. As the cuff was slowly inflated, he noticed blanching of the palm of his hand. …
Published	01/14/2024	16. Which of the following can influence blood pressure by affecting plasma protein concentration?A. Respiratory systemB. Endocrine systemC. Autonomic…
Published	01/14/2024	17. Which of the following immediately precedes release of renin?A. Decreased stretch of renal afferent arterioleB. Low perfusion pressureC. Decrease …
Published	01/14/2024	18. Short term regulation of the systemic circulation is achieved primarily by activity of theA. angiogenic factorsB. motor cortexC. neural reflexesD.…
Published	01/14/2024	19. Which of these sets of organs can least tolerate a condition with reduced blood supply necessitating intrinsic flow regulating mechanisms?A. Heart…
Published	01/14/2024	20. Which of the following will LEAST likely give rise to hypotension and bradycardia?A. Rise in venous pressureB. Rise in left ventricle pressureC. R…
Published	01/14/2024	21. Which of the following reflexes will most likely be activated in exercise to increase oxygen supply to active muscles?A. Carotico-aortic sinus ref…
Published	01/14/2024	22. What is the primary stimulus for the release of antidiuretic hormone?A. Increased ECF osmolarityB. Increased blood volumeC. Decreased blood volume…
Published	01/14/2024	23. Which of these natural-occurring substances converts angiotensinogen to angiotensin I?A. Angiotensin-converting enzyme (ACE)B. AngiotensinaseC. At…
Published	01/14/2024	24. Rapid loss of at least how many percent of the total blood volume would already lead to a decrease in central blood volume, venous return, ventric…
Published	01/14/2024	25. Which of the following statements is correct regarding the myogenic mechanism?A. Most pronounced in arterioles and venulesB. Initiated by stretch-…
Published	01/14/2024	26. Natriuresis, diuresis and kaliuresis are the ultimate effects ofA. ADHB. ANFC. aldosteroneD. angiotensin II
Published	01/14/2024	27. An interesting phenomenon that occurs in persons who experience intense emotional disturbance causing fainting is related to activation of theA. s…
Published	01/14/2024	28. Increasing in concentration of these ions will cause vasodilationA. Ca++, H+, K+, and Mg++B. H+, K+, and Mg++ onlyC. H+ and Mg++ onlyD. K+ and Mg+…
Published	01/14/2024	29. Which organ receives greater blood flow during diastole than during systole?A. BrainB. KidneyC. LiverD. Heart
Published	01/14/2024	30. A vasodilator that binds to ATP-sensitive K channels on endothelial cellsA. AdenosineB. ProstacyclinC. Nitric oxideD. Histamine
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