The enzyme that can digest fibrin and dissolve a clot is
A) thrombin.
B) plasmin.
C) heparin.
D) fibrinase.
E) phosphokinase.
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Question 2) The majority of renal innervation is by the
A) parasympathetic nervous system.
B) vagus nerve.
C) somatic nervous system.
D) sympathetic nervous system.
E) enteric nervous system.
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Question 3) The process of fibrinolysis
A) activates fibrinogen.
B) draws torn edges of damaged tissue closer together.
C) dissolves clots.
D) forms emboli.
E) forms thrombi.
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Question 4) Each kidney has about ________ nephrons.
A) 100,000
B) 500,000
C) 1 million
D) 1.25 million
E) 5 million
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Question 5) The common pathway of coagulation begins with the
A) sticking of platelets to damaged tissue.
B) activation of a proenzyme exposed to collagen.
C) release of tissue factor by damaged endothelium.
D) activation of Factor X and production of prothrombin activator.
E) conversion of fibrinogen to fibrin.
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Question 6) Which of the following components of the nephron is largely confined to the renal medulla?
A) glomerular (Bowman's) capsule
B) distal convoluted tubule
C) collecting ducts
D) proximal convoluted tubule
E) glomerulus
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Question 7) The intrinsic pathway of coagulation is activated by the
A) sticking of platelets to each other.
B) activation of Factor XII by platelet factors.
C) release of tissue factor (Factor III) by damaged endothelium.
D) release of heparin from the liver.
E) conversion of prothrombin to thrombin.
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Question 8) The majority of glomeruli are located in the ________ of the kidney.
A) vasa recta
B) medulla
C) cortex
D) pelvis
E) calyces
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Question 9) The extrinsic pathway of coagulation is initiated by the
A) sticking of platelets to damaged tissue.
B) activation of Factor VII exposed to collagen.
C) release of tissue factor (Factor III) by damaged endothelium.
D) release of heparin from the liver.
E) conversion of prothrombin to thrombin.
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Question 10) The ________ is a capillary bed that parallels the nephron loop (loop of Henle).
A) glomerulus
B) peritubular capillary bed
C) afferent arteriolar bed
D) collecting duct
E) vasa recta
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