Aquifer internal medicine case EXAM A+ GRADE ASSURED COMPLETE SOLUTIONS AND VERIFIED ANSWERS

AQUIFER CASE STUDY ms ms




Exam Solution
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UCF Human Physiology Lecture Exam 3 BRS + Clinical C
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artes 2026 A+ GRADE ASSURED COMPLETE SOLUTIONS
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AND VERIFIED ANSWERS (85FC2)
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QUESTION 1 ms




Decrease to 1⁄16 ms ms




ANSWER

BRS: Cardiovascular A 53-year-
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old woman is found, by arteriography, to have 50% narrowing of her left renal artery. What is the e
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xpected change in blood flow through the stenotic artery?
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QUESTION 2 ms




Increased contractility ms




ANSWER

BRS: Cardiovascular When a person moves from a supine position to a standing position, which of t
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he following compensatory changes occurs?
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QUESTION 3 ms




Renal artery ms




ANSWER

BRS: Cardiovascular At which site is systolic blood pressure the highest?
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QUESTION 4 ms




atrioventricular (AV) node ms ms




ANSWER

,BRS: Cardiovascular A person's electrocardiogram (ECG) has no P wave, but has a normal QRS comp
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lex and a normal T wave. Therefore, his pacemaker is located in the
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QUESTION 5 ms




end-systolic volume ms




ANSWER

BRS: Cardiovascular If the ejection fraction increases, there will be a decrease in
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QUESTION 6 ms




decreased pulse pressure because stroke volume is decreased
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ANSWER

BRS: Cardiovascular An electrocardiogram (ECG) on a person shows ventricular extrasystoles. The ex
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trasystolic beat would produce ms ms ms




QUESTION 7 ms




increased pulse pressure because the contractility of the ventricle is increased
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ANSWER

BRS: Cardiovascular An electrocardiogram (ECG) on a person shows ventricular extrasystoles. After a
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n extrasystole, the next "normal" ventricular contraction produces
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QUESTION 8 ms




increased cardiac output for a given end-diastolic volume
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ANSWER

BRS: Cardiovascular An increase in contractility is demonstrated on a Frank-Starling diagram by
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QUESTION 9 ms




1→2
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ANSWER

BRS: Cardiovascular On the graph showing left ventricular volume and pressure, isovolumetric contr
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action occurs from point
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QUESTION 10 ms

,3
ANSWER

BRS: Cardiovascular The aortic valve closes at point
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QUESTION 11 ms




1
ANSWER

BRS: Cardiovascular The first heart sound corresponds to point
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QUESTION 12 ms




partial occlusion of a blood vessel
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ANSWER

BRS: Cardiovascular The tendency for blood flow to be turbulent is increased by
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QUESTION 13 ms




a suppressed response of the baroreceptor mechanism
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ANSWER

BRS: Cardiovascular Following a sympathectomy, a 66-
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yearold man experiences orthostatic hypotension. The explanation for this occurrence is
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QUESTION 14 ms




ST segmentms




ANSWER

BRS: Cardiovascular The ventricles are completely depolarized during which isoelectric portion of th
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e electrocardiogram (ECG)?
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QUESTION 15 ms




Left-to-right ventricular shunt ms ms




ANSWER

BRS: Cardiovascular In which of the following situations is pulmonary blood flow greater than aortic
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blood flow?
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, QUESTION 16 ms




increased mean systemic pressure
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ANSWER

BRS: Cardiovascular The change indicated by the dashed lines on the cardiac output/venous return c
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urves shows
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QUESTION 17 ms




decreased conduction through the AV node
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ANSWER

BRS: Cardiovascular A 30-year-
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old female patient's electrocardiogram (ECG) shows two P waves preceding each QRS complex. The i
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nterpretation of this pattern is ms ms ms ms




QUESTION 18 ms




Decreased firing rate of the carotid sinus nerve
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ANSWER

BRS: Cardiovascular An acute decrease in arterial blood pressure elicits which of the following comp
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ensatory changes? ms




QUESTION 19 ms




increased venous pressure
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ANSWER

BRS: Cardiovascular The tendency for edema to occur will be increased by
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QUESTION 20 ms




the aortic valve closes before the pulmonic valve
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ANSWER

BRS: Cardiovascular Inspiration "splits" the second heart sound because
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QUESTION 21 ms




local metabolites on skeletal muscle arterioles
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