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Anatomy and Physiology, 6/e
Rod Seeley, Idaho State University
Trent Stephens, Idaho State University
Philip Tate, Phoenix College

Brain and Cranial Nerves

Chapter Quiz



1

Which of these layers in the wall of blood vessels contains smooth muscle?
A)tunica adventitia
B)tunica intima
C)tunica media
D)both b and c
2

Which of these vessels is LEAST affected by vasoconstriction and vasodilation?
A)arterioles
B)elastic arteries
C)muscular arteries
D)small arteries
3

Veins greater than 2 mm in diameter have
A)no tunica adventitia.
B)thicker walls than arteries.
C)valves.
D)no endothelial lining.
E)no smooth muscle in their walls.
4

The first artery to branch from the aortic arch is the
A)brachiocephalic artery.
B)left common carotid artery.
C)right common carotid artery.
D)left subclavian artery.
E)right subclavian artery.
5

Given these vessels: 1. basilar artery 2. brachiocephalic artery 3. circle of Willis 4. right subclavian artery 5. right vertebral artery, Choose the arrangement that lists the vessels in order going from the aorta to the brain.
A)1,2,5,4,3
B)2,4,3,5,1
C)2,4,5,1,3
D)4,2,1,3,5
E)5,1,3,2,4
6

The artery that supplies blood to the small intestine and upper portion of the colon is the
A)celiac trunk.
B)common iliac artery.
C)inferior mesenteric artery.
D)posterior intercostal artery.
E)superior mesenteric artery.
7

Which of these veins drains blood from the posterior thoracic wall, and delivers blood to the superior vena cava?
A)axillary vein
B)azygos vein
C)basilic vein
D)internal jugular vein
E)external jugular vein
8

Which of these vessels does NOT carry blood that goes into the hepatic portal vein?
A)inferior mesenteric vein
B)splenic vein
C)superior mesenteric vein
D)hepatic vein
E)gastric vein
9

Which of these veins is a deep vein?
A)basilic vein
B)brachial vein
C)cephalic vein
D)median cubital vein
E)great saphenous vein
10

During ventricular diastole, pressure in the ventricles falls to ____ mm Hg, while the pressure within the large arteries is about ____ mm Hg.
A)120, 80
B)80, 120
C)80, 0
D)0, 80
E)40, 120
11

If a person has a systolic pressure of 100 mm Hg, and a diastolic pressure of 70 mm Hg, her pulse pressure is
A)170 mm Hg.
B)85 mm Hg.
C)30 mm Hg.
D)25 mm Hg.
E)20 mm Hg.
12

As blood flows through a capillary, ______ causes fluid to leave the capillary; whereas ______ causes fluid to enter the capillary.
A)blood pressure, osmosis
B)osmosis, blood pressure
C)blood pressure, lymphatic pressure
D)lymphatic pressure, blood pressure
E)vasoconstriction, vasodilation
13

Which of these causes precapillary sphincters to relax?
A)increase in CO2 in tissues
B)decrease in pH in tissues
C)decrease in O2 levels in tissues
D)decrease in glucose in tissues
E)all of these
14

To determine mean arterial pressure (MAP), cardiac output (CO) is multiplied by
A)diastolic pressure.
B)systolic pressure.
C)pulse pressure.
D)peripheral resistance.
E)0.67
15

Whereas ______ mechanisms are most important for regulating mean arterial pressure on a short-term basis; ______ mechanisms are most important for regulating mean arterial pressure on a long-term basis.
A)baroreceptor, chemoreceptor
B)chemoreceptor, baroreceptor
C)chemoreceptor, hormonal
D)hormonal, baroreceptor
E)baroreceptor, hormonal
16

Which of the following is not a function of the peripheral circulation?
A)Exchange of nutrients, waste products, and gases
B)Transport
C)Regulation of blood pressure
D)Carries lymph
E)Directs blood flow
17

In the ________ circuit the flow of blood travels through the system of blood vessels that carries blood from the left ventricle of the heart to the tissues of the body and back to the right atrium.
A)pulmonary
B)systemic
C)portal
D)coronary
E)fetal
18

All of the following mechanisms will cause an increase of blood pressure EXCEPT:
A)Increased amounts of antidiuretic hormone
B)Increased amounts of atrial natriuretic hormone
C)Increased sympathetic stimulation of the heart and blood vessels
D)Increased amounts of renin
E)Increased amounts of aldosterone