AND ANSWERS
Which0of0the0following0blood0cell0types0normally0compromises0the0highest0percentage
0of0the0blood0component0labeled020in0the0figure?
A)0eosinophils
B)0monocytes
C)0lymphocytes
D)0neutrophils
E)0basophils0-0ans✔D
The0process0by0which0the0formed0elements0of0the0blood0develop0is0called
A)0hematospermia
B)0hemopoiesis
C)0thrombocytosis
D)0hemostasis
E)0polycythemia0-0ans✔B
The0major0functions0of0a0red0blood0cell0is
A)0nutrient0transport
B)0cytokine0stimulation
C)0blood0cell0proliferation
D)0gas0transport
E)0disease0resistance0-0ans✔D
Which0of0the0following0blood0cells0is0a0phagocyte?
A)0neutrophil
B)0platelet
C)0lymphocyte
D)0basophil
E)0erythrocyte0-0ans✔A
Which0of0the0following0hormones0stimulates0the0development0of0megakaryoblasts?
A)0erythropoietin
B)0thrombopoietin
C)0nitric0oxide
D)0human0growth0hormone
E)0heparin0-0ans✔B
,The0intrinsic0and0extrinsic0pathways0of0blood0clotting0are0identical0after0formation0of
A)0thromboplastin
B)0prothrombinase
C)0clotting0factor0XII
D)0fibrin
E)0tissue0factor0-0ans✔B
Clotting0of0an0unbroken0blood0vessel0is0called?
A)0embolism
B)0hemolysis
C)0fibrinolysis
D)0agglutination
E)0thrombosis0-0ans✔E
What0blood0type0is0a0person0if0their0plasma0contains0only0anti-A0agglutinin?
A)0A
B)0B
C)0O
D)0AB
E)0not0enough0information0is0provided0to0answer0the0question0-0ans✔B
The0anatomical0region0found0between0the0lungs0that0extends0from0the0sternum0to0the
0vertebral0column0and0from0the0first0rib0to0the0diaphragm?
A)0epicardium
B)0abdominal0cavity
C)0pericardium
D)0mediastinum
E)0thoracic0cavity0-0ans✔D
Through0which0structure0does0blood0pass0from0the0right0atrium0to0the0right0ventricle?
A)0bicuspid0valve
B)0interventricular0septum
C)0tricuspid0valve
D)0mitral0valve
E)0ascending0aorta0-0ans✔C
Which0valve0below0prevents0blood0from0flowing0back0into0the0right0ventricle?
A)0tricuspid0valve
B)0bicuspid0valve
C)0pulmonary0semilunar0valve
D)0aortic0semilunar0valve
E)0mitral0valve0-0ans✔C
Which0structure0in0the0figure0is0labeled0C?0-0ans✔arch0of0aorta
, Why0does0not0a0significant0amount0of0blood0flow0back0into0the0vena0cava0and0coronar
y0sinus0during0atrial0contraction?
A)0the0tricuspid0valve0blocks0the0venous0openings
B)0the0bicuspid0valve0blocks0the0venous0openings
C)0the0contraction0of0the0atria0compresses0and0closes0the0venous0openings
D)0the0semilunar0valves0block0the0venous0openings
E)0the0venous0valves0block0the0venous0openings0-0ans✔D
Cardiac0muscle0fibers0are0electrically0connected0to0neighboring0fibers0by...
A)0desmosomes
B)0tight0junctions
C)0gap0junctions
D)0interneurons
E)0chordae0tendinae0-0ans✔C
Which0of0the0following0occurs0at0the0beginning0of0the0ventricular0diastole?
A)0p0wave
B)0r0wave
C)0q0wave
D)0qrs0complex
E)0t0wave0-0ans✔D
In0comparison0the0skeletal0muscle0fibers,0the0contractile0fibers0of0the0heart0are0depola
rized0for0______0period0of0time.
A)0a0shorter
B)0a0longer
C)0the0same0-0ans✔B
Which0term0refers0to0the0period0of0time0during0a0cardiac0cycle0when0contraction0of0a0
chamber0occurs0and0pressure0within0the0chamber0rises?
A)0filling
B)0systole
C)0repolarization
D)0diastole
E)0fibrillation0-0ans✔B
Which0event0occurs0during0ventricular0systole?
A)0depolarization0of0the0SA0node
B)0isovolumetric0contraction
C)0filling0of0the0atria
D)0opening0of0the0AV0valves
E)0ventricular0pressure0drops0-0ans✔B
The0frank0starling0law0of0the0heart0states0that0the0heart0is0dependent0upon0the0autono
mic0nervous0system0for0a0stimulus0contract...