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19 Cards in this Set
- Front
- Back
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Which statement does not acurately describe veins:
a. they have less elastic tissue&smooth muscle than arteries B. They contain more fiberous tissue than arteries C. most veins in the extremities have valves D. They always carry deoxygenated blood. |
D. they always carry deoxygenated blood
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Smooth muscle in the blood vessel wall......A) is mostly circularly arranged. B) spindle shaped
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A) is mostly circularly arranged.
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Peripheral resistance........A) Is adversely proportional to the diameter of the arterioles. B) Is inversely proportional to the diameter of the arterioles.
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B) Is inversely proportional to the diameter of the arterioles.
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What can lead to decreased venous return of blood to the heart A) Damage to the venous valves B) Damage to the aorta valves
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A) Damage to the venous valves
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Arterial blood pressure increases in response to........A) Increased stroke volume, Increased heart rate, arteriolsclerosis B) decreased stroke volume, decreased heart rate, Arteriolsclerosis
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A) Increased stroke volume
Increased heart rate Arteriolsclerosis |
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What would Not result in the dilation of the feeder arterioles and opening of the precapillary sphincters in systemic capillary beds? A) A local decrease in Ph B) A local increase in Ph
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B) A local increase in Ph
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The structure of a capillary wall differs from a vein or artery because........ A) It has a single tunic. It only has the the tunica intima B) It has two tunics.
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A) It has a single tunic. It only has the the tunica intima
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The baroceptors in the carotid sinus and aortic arch are sensitive to...............A) the coronary sinuses B) the coronary arteries
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B) The coronary arteries
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The myocardium receives blood supply directly from........A) the coronary sinuses B) the coronary arteries
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B) The coronary arteries.
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Blood flow in the capillaries is steady despite the rhythmic pumping of the heart because of.....A) thin walls of the veins, B) elasticity of the large arteries
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B) Elasticity of the large arteries.
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Tracing the blood from the heart to the right hand we find that the blood leaves the heart and passes through the aorta---to the right subclavian artery---the axillary and braichial arteries--and through either the radial or ulnar artery to arrive to the hand. Which artery is missing from this sequence?...A) brachiocephalic, B) cephalic
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A) Brachiocephalic
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Which of the following does not drain directly into the inferior vena cava?
A) inf phrenic veins b) hepatic veins C) inf mesenteric veins D) renal vein |
C) Inferior mesenteric veins
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In anterosclerosis, which layer of the vessel wall thichens most? A) tunica externa B) tunica intima
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B) Tunica intima
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Suppose that at a given point along a capillary, the following forces exist: capillary hydrostatic pressure (HPc) =30mmHg, interstitial fluid hydrostatic pressure (HPif)=0mmHg, capillary colloid osmotic pressure (OPc)=25mmHg, and interstitial fluid colloid osmotic pressure (OPif)=2mmHg. The net filteration pressure at this point in the capillary is.........A) -tmm Hg B) 7mm Hg
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B) 7mm Hg
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artery description: unpaired branch of abdominal aorta.....A) Superior mesenteric, Inferior mesenteric, Celiac trunk B) Superior mesenteric, Inferior mesenteric, ophthalmic
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A) Superior mesenteric
Inferior mesenteric Celiac trunk |
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artery description: Second branch of aortic arch......A) right common carotid B) Left common carotid
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B) Left common carotid
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artery description: Branch of internal carotid.......A) Ophthalmic, B) superficial temporal
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A) Ophthalmic
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artery description: Branch of external carotid.........A) Superficial temporal & Facial B) Superficial temporal & opthalamic
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A) Superficial temporal & Facial
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artery description: Origin of femoral arteries...........A) internal iliac, B) external iliac
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B) External iliac
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