Chapter 19: Functions Of The Blood Vessels

39 Questions  I  By Lilmama27 on June 7, 2009
Function of blood vessels

  

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1.  A sphygmomanometer measures
A.
B.
C.
D.
2.  Blood pressure is lowest in the
A.
B.
C.
D.
3.  The characteristic of the arteriole that allows it to function as a resistance vessel is its
A.
B.
C.
D.
4.  Which condition is characterized by poor skin turgor?
A.
B.
C.
D.
5.  Which artery is most oftern used to measure the blood pressure?
A.
B.
C.
D.
6.  Which of the following best indicates why a person who is taking antihypertensive drugs should not drink alcohol or sit in a hot tub?
A.
B.
C.
D.
7.  Which of the following is true?
A.
B.
C.
D.
8.  Plasma oncotic pressure is due primarily to
A.
B.
C.
D.
9.  Which of the following is most likely to induce a reflex bradycardia?
A.
B.
C.
D.
10.  If a child with nephrotic syndrome loses large amounts of albumin in his urine (albuminuria)
A.
B.
C.
D.
11.  If capillary hydrostatic pressure (CHP) exceeds plasma oncotic pressure,
A.
B.
C.
D.
12.  If plasma oncotic pressure exceeds (CHP),
A.
B.
C.
D.
13.  Which of the following is most related to the systolic reading, diastolic reading,a nd Korotkoff sounds?
A.
B.
C.
D.
14.  What do the baroreceptors regulate?
A.
B.
C.
D.
15.  Which of the following increases vascular reisistance, stroke volume, and heart rate?
A.
B.
C.
D.
16.  Which of the following structures has the greatest effect on vascular resistance?
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B.
C.
D.
17.  Blood flow is slowest in the
A.
B.
C.
D.
18.  These blood vessels have very thin walls and are called the exchange vessels
A.
B.
C.
D.
19.  What is the pulse pressure when a person's blood pressure is 120/80 mm Hg?
A.
B.
C.
D.
20.  Which of the following is most likely to develop if the pressure within the pulmonary capillaries increases?
A.
B.
C.
D.
21.  What is the term that refers to the difference between the systolic and diastolic blood pressure reading?
A.
B.
C.
D.
22.  Which of the following elevates blood pressure?
A.
B.
C.
D.
23.  Which term refers to drugs that cause vasodilation and reduce vascular resistance?
A.
B.
C.
D.
24.  Which part of the brain participates in the baroreceptor reflex?
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B.
C.
D.
25.  Both epinephrine and norepinephrine are
A.
B.
C.
D.
26.  A sudden rise in blood pressure is most likely to produce a baroreceptor-induced
A.
B.
C.
D.
27.  Which statement is not true about baroreceptors?
A.
B.
C.
D.
28.  If plasma osmolarity increases, as in dehydration or the infusion of mannitol (a sugar solution)
A.
B.
C.
D.
29.  If the lymphatic vessels are blocked or surgically removed,
A.
B.
C.
D.
30.  Edema is least likely to occur in which of the following?
A.
B.
C.
D.
31.  If the left ventricle of the heart fails, blood backs up in the pulmonary capillary,
A.
B.
C.
D.
32.  A pregnant woman notices that her ankls are swollen after standing for 6 hrs. at her place of employment. In the evening when she elevates her feet, the swelling diminshes because
A.
B.
C.
D.
33.  An IV infusion of mannitol (a hypertonic sugar solution) is used todecrease intracranial pressure in a head-injured patient because the mannitol
A.
B.
C.
D.
34.  Capillary hydrostatic pressure is a reflection of
A.
B.
C.
D.
35.  Which of the following drugs is most likely to increase vascular resistance?
A.
B.
C.
D.
36.  With which word/phrase is afterload most associated?
A.
B.
C.
D.
37.  Which of the following exerts a vasopressor effect?
A.
B.
C.
D.
38.  A drug that activates alpha1 adrenergic receptors
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B.
C.
D.
39.  A newly diagnosed hypertensive patient is started on prazosin. Within the hour, he complains of dizziness and loses consciousness. What has happened?
A.
B.
C.
D.
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