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24 Cards in this Set
- Front
- Back
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Blood in the pulmonary veins will flow to which of the following locations?
a. Right Atrium b. Right Ventricle c. Lungs d. Left Atrium e. Left Ventricle |
Left Atrium
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Contractions of the papillary muscles in the heart achieve what function?
a. Maintaining the closure of the AV valves b. Maintaining the closure of the Semilunar valves c. Blood ejection d. Opening of the AV valves e. Opening of the Semilunar valves |
Maintaining the closure of the AV Valves
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Which of the following is not an opening into the right atrium?
a. Coronary sinus b. Inferior Vena Cava c. Superior Vena Cava d. Pulmonary Trunk e. Tricuspid Valve |
Pulmonary Trunk
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In a heart contraction, which of the following is the main element needed to extend the contraction time?
a. Na+ b. Cl- c. Ca++ d. K+ e. H2SO3- |
Ca++
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The Visceral Pericardium is known by another name, what is that name?
a. Myocardium b. Endocardium c. Metacardium d. Epicardium e. None |
Epicardium
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The EDV for a patient is 140 ml; the SV is 85, what is the ESV?
a. 65ml b. 75ml c. 55ml d. 30ml e. 225ml |
55ml
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The tendonous material that holds the valves shut during ventricular systole are called what?
a. Papillary muscle b. Pectinate muscle c. Chordae Tendineae d. Rugae e. Cusps |
Chordae Tendineae
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Which of the following statements is TRUE regarding the heart valve?
a. The mitral valve seperates the right atrium from the right ventricle b. The semilunar valves control blood flow returning to the heart from the body c. The tricuspid valve seperates the left atrium from the left ventricle d. The semilunar valves have chordae tendineae and papillary muscles e. The AV valves are supported by chordae tendineae to prevent backflow during ventricular contraction |
The AV valves are supported by chordae tendineae to prevent backflow during ventricular contraction
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What is the percentage of blood filling the ventricles before the atria contract?
a. 30 b. 45 c. 50 d. 70 e. 90 |
70
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What is the key significance of the AV node during a cardiac cycle?
a. Serves to speed up the contraction rate b. Acts as a braking mechanism to give the ventricles time to fill c. Transfers the depolarization directly to the purkinje fibers d. Produces a pace of 80-100 beats per minute e. Is located in the superior left atrium |
Acts as a braking mechanism to gie the ventricles time to fill
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Which of the following is not a layer of the blood vessels?
a. Tunica Intima b. Tunica Externa c. Tunica Elastica d. Tunica Media |
Tunica Elastica
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Which of the following is not correct regarding Hydostatic Pressure?
a. Driving force on the arterial side of capillaries b. Bathes the cells by exchanging plasma and interstitial fluid c. Is a result of Blood Pressure and arteriole constrictions d. Sucks fluid into the capillary bed vessels e. Can be altered by changing the CO |
Sucks fluid into the capillary bed vessels
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Venoconstriction by the sympathetic nervous system results in which of the following?
a. Decreased SV b. Increased VR c. Decreased CO d. Decreased production of ANP e. None of the above |
Increased VR
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The pulmonary arteries carry blood to which structure?
a. Lungs b. Kidneys c. Right Atrium d. Left Atrium e. None of the above |
Lungs
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The muscular layer of the blood vessels is called what?
a. Tunica intima b. Tunica interna c. Tunica adventitia d. Tunica media e. Tunica externa |
Tunica media
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Which of the following is false when comparing an artery to a vein?
a. Arteries are more elastic b. Arteries havemore smooth muscle c. Arteries have pleated endothelium d. Arteries hold their shape better upon dissection e. Arteries are thinner |
Arteries are thinner
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Capillaries with an incomplete lining that allows most solutes to enter the interstitial fluid are called what?
a. Continuous capillaries b. Fenestrated capillaries c. Sinusoids d. Vasa Vasorum e. Incomplete Capilarries |
Fenestrated capillaries
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Nutrients can move through the capillary walls by which of the following?
a. Diffusion b. Absorption c. Carrier mediated d. Osmosis e. All of the above |
All of the above.
Diffusion, Absorption, Carrier mediated, Osmosis |
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Which of the following is NOT a method for movement of blood in the veins?
a. Higher pressure in the capillaries than the venules b. Pumping mechanisms of the vein smooth muscles c. Pumping of the skeletal muscles d. One way valves in the veins e. Aid of the thoracoabdominal pump |
Pumping mechanisms of the vein smooth muscles
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Blood flow to a tissue will increase if which condition exists?
a. Oxygen leavels increase at the tissues b. Vessels constrict c. Carbon Dioxide levels at the tissues increase d. pH of teh tissue is 7.4 e. Both A and B |
Carbon Dioxide level at the tissues increase
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Which of the following statements best describes an artery?
a. Blood always travels away from the heart b. Blood always travels toward the heart c. Blood is always highly oxygenated d. Blood is always de-oxygenated e. A and D |
Blood always travels away from the heart
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The first major vessel branching off the Abdominal Aorta is what?
a. Superior Mesenteric b. Inferior Mesenteric c. Celiac Trunk d. Left Renal e. Right Gonadal |
Celiac Trunk
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What is the special significance of the Hepatic Portal System?
a. Contains very nutrient rich blood b. Takes the blood to the liver for processing of nutrients c. Receives blood from the intestines d. All of the above are special e. None of the above are special |
All of the above are special
a. Contains very nutrient rich blood b. Takes the blood to the liver for processing of nutrients c. Recieves blood from the intestines d. All of the above are special |
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Angiotensin Converting Enzyme (ACE):
a. Is a protein made in the spleen b. Is releasd by the kidneys when BP falls c. Converts angiotensinogen to angiotensin I d. Is an enzyme made in the lungs that forms angiotensin II e. None of the above |
Is an enzyme made in the lungs that forms angiotensin II
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