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Pathophysiology Unit4-6 > Ch29: Structure & Fn of Cardiovascular & Lymphatic Systems > Flashcards

Ch29: Structure & Fn of Cardiovascular & Lymphatic Systems Flashcards

0
Q
  1. The hepatic vein
    a. carries blood from vena cava to liver
    b. carries blood from liver to vena cava
    c. carries blood from aorta to liver
    d. carries blood from liver to aorta
A

b. carries blood from liver to vena cava

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1
Q
  1. Oxygenated blood flows through
    a. superior vena cava
    b. pulmonary veins
    c. pulmonary arteries
    d. coronary veins
A

b. pulmonary veins

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2
Q
  1. Insulin protects vascular tissue by
    a. increasing growth of vascular smooth muscle cells
    b. increasing endothelial cell production of nitric acid
    c. increasing effect of plt-derived growth factor
    d. increasing binding of monocytes/macrophages
A

b. increasing endothelial cell production of nitric acid

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3
Q
  1. The pericardial space is found btw
    a. mycardium & parietal pericardium
    b. endocardium & visceral pericardium
    c. visceral & parietal pericardia
    d. visceral & epicardial pericardia
    d.
A

c. visceral & parietal pericardia

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4
Q
  1. The QRS complex of ECG represents
    a. atrial depolarization
    b. ventricular depolarization
    c. atrial contraction
    d. ventricular repolarization
    e. atrial repolarization
A

b. ventricular depolarization

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5
Q
  1. A person who has a HR 100bpm, SBP 200mmHg, & stroke volume 40ml would have avg cardiac output of
    a. 0.5ml
    b. 5L
    c. 4ml
    d. 8000ml
    e. None of above
A

e. None of above

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6
Q
  1. During atrial systole
    a. AV valves are open
    b. atria are filling
    c. ventricles are emptying
    d. semilunar valves are open
A

a. AV valves are open

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7
Q
  1. Which of the following does NOT significantly affect HR?
    a. temperature
    b. age
    c. presence of heart murmur
    d. Na & K ions
A

c. presence of heart murmur

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8
Q
  1. One cardiac cycle
    a. has duration that changes if HR changes
    b. usually requires <1s to complete
    c. is equal to stroke volume x HR
    d. pumps approx. 5L of blood
    e. Both a & b are correct
A

e. Both a & b are correct

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9
Q
  1. Compare w/ arteries, veins:
    a. have larger diameter
    b. are thickly coated
    c. recoil quickly after distention
    d. Both a & b are correct
A

a. have larger diameter

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10
Q
  1. When intraventricular pressure becomes > pressure in pulmonary arteries, the:
    a. semilunar valves will open
    b. semilunar valves will close
    c. AV valves will open
    d. AV valves will close
A

a. semilunar valves will open

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11
Q
  1. Two distinct heart sounds, lubb & dupp, are MOST directly r/t:
    a. pulse pressure in aorta
    b. contraction of ventricles
    c. turbulence from closing of valves
    d. contraction of atria
A

c. turbulence from closing of valves

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12
Q
  1. Normal end-diastolic pressure w/in left ventricle is in range of:
    a. 100-140 mmHg
    b. 15-28 mmHg
    c. 0-8 mmHg
    d. 4-12 mmHg
A

d. 4-12 mmHg

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13
Q
  1. The Frank-Starling “law of the heart” involves relationship btw:
    a. length of cardiac muscle fiber & strength of contraction
    b. stroke volume & arterial resistance
    c. rapidity of nerve conduction & stroke volume
    d. systolic rate & cardiac output
A

a. length of cardiac muscle fiber & strength of contraction

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14
Q
  1. BP is measured by
    a. pressure exerted by ventricular walls during systole
    b. pressure exerted by blood on wall of any blood vessel
    c. pressure exerted on arteries by the blood
    d. product of stroke volume x HR
A

c. pressure exerted on arteries by the blood

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15
Q
  1. The heartbeat is initiated by
    a. coronary sinus
    b. atrioventricular bundle
    c. rt ventricle
    d. SA node
    e. AV node
A

d. SA node

16
Q
  1. If sympathetic nervous system stimulation of heart predominates over parasympathetic nervous stimulation, the heart will
    a. increase its rate
    b. contract w/ greater force & at a slower rate
    c. decrease its rate & force contractions
    d. contract w/ less force & at a higher rate
    d.
A

a. increase its rate

17
Q
  1. Adrenomedullin (ADM)
    a. exhibits powerful vasoconstriction activity
    b. is present only in cardiovascular tissue
    c. mediates Na reabsorption
    d. exhibits powerful vasodilation activity
A

d. exhibits powerful vasodilation activity

18
Q
  1. Which factor might increase resistance to flow of blood through blood vessels?
    a. increased inner radius/diameter of blood vessels
    b. decreased number of capillaries
    c. decreased blood viscosity
    d. decreased number of RBCs
A

b. decreased number of capillaries

19
Q
  1. Nitric acid is
    a. potent vasodilator
    b. potent vasoconstrictor
    c. endothelium-derived relaxing factor (EDRF)
    d. inhibitor of plt adherence to endothelium
    e. both a & c are correct
A

e. both a & c are correct

20
Q
  1. Which of the following is TRUE?
    a. lymphatic walls consist of multiple layers of flattened endothelial cells
    b. lymph from the entire body, except upper rt quadrant, eventually drains into thoracic duct
    c. thoracic duct has approx. same diameter as the great veins
    d. lymph contains more protein than does blood plasma
    e. lymphatic system, like circulatory system, is a closed circuit
A

b. lymph from the entire body, except upper rt quadrant, eventually drains into thoracic duct

21
Q
  1. Which event(s) is/are part of normal cardiac cycle?
    a. rt atrium & rt ventricles contract simultaneously
    b. 2 atria contract simultaneously while 2 ventricles relax
    c. 2 ventricles contract simultaneously while 2 atria relax
    d. Both ventricles & atria contract simultaneously to increase cardiac output
A

b. 2 atria contract simultaneously while 2 ventricles relax
and
c. 2 ventricles contract simultaneously while 2 atria relax

22
Q
  1. What factors assist return of venous blood to the heart?
    a. peripheral pooling
    b. venous valves
    c. increased intra-abd pressure
    d. respiratory movements
    e. contraction of skeletal muscles
A

c. 2 ventricles contract simultaneously while 2 atria relax
d. respiratory movements
e. contraction of skeletal muscles

23
Q
  1. Alphabtize CORRECT sequence as blood travels through the following structures
    a. pulmonary veins
    b. pulmonary arteries
    c. lungs
    d. rt ventricle
    e. lt atrium
A

d, b, c, a, e

24
Q
  1. Alphabetize normal sequence of electrical impulse through the heart’s conduction system:
    a. atrioventricular bundle
    b. AV node
    c. Purkinje fibers
    d. SA node
    e. Rt & Lt bundle branches
A

d, b, a, e, c

Pathophysiology Unit4-6 (21 decks)

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