A&P 2 MIDTERM PRACTICE TEST WITH VERIFIED
SOLUTION 2026
Which of the following is used to reduce friction between the layers of membranes surrounding the heart?
- correct answer-Pericardial fluid
What of the following chambers of the heart contain deoxygenated blood? - correct answer-Right atrium
and right ventricle
Blood leaving the left ventricle passes through which of the following structures? - correct answer-Aortic
semilunar valve
Cardiac output is dependent on both - correct answer-heart rate and stroke volume.
Cataract leads to blindness due to - correct answer-loss of transparency of the lens.
___________ cause(s) a loss of transparency of the lens and may cause blindness. - correct answer-
Cataracts
Contraction of the atria of the heart leads to blood moving directly - correct answer-through
atrioventricular valves
Which of the following is not a type of hormone interaction? - correct answer-feedback
Which of the following is not a change typically produced by a hormonal stimulus? - correct answer-
stimulates production of an action potential
Normal development of the immune response is due in part to hormones produced by the ________. -
correct answer-thymus gland
The most important mineralcorticoid regulator of electrolyte concentrations in extracellular fluids is
________. - correct answer-aldosterone
, A man has been told that he is not synthesizing enough follicle-stimulating hormone (FSH), and for this
reason he may be unable to father a child. Choose the correct statement to explain this problem. - correct
answer-FSH stimulates sperm production in the testes.
Which of the following statements does not describe blood? - correct answer-Blood carriers body cells to
injured areas for repair
Fred's blood was determined to be AB positive. What does this mean? - correct answer-There are no
antibodies to A, to B, or to Rh antigens in the plasma.
What organ in the body regulates erythrocyte production? - correct answer-kidney
Normalxheartxsoundsxarexcausedxbyxwhichxofxthexfollowingxevents?x-xcorrectxanswer-
closurexofxthexheart
valves
Ifxcardiacxmusclexisxdeprivedxofxitsxnormalxbloodxsupply,xdamagexwouldxprimarilyxresultxfromx________
.x -
correctxanswer-decreasedxdeliveryxofxoxygen
Axforamenxovalex________.x-xcorrectxanswer-
connectsxthextwoxatriaxinxthexfetalxheart
Whichxofxthexeventsxbelowxdoesxnotxoccurxwhenxthexsemilunarxvalvesxarexopen?x-
xcorrectxanswer-
Ventriclesxarexinxdiastole.
Thextricuspidxvalvexisxclosedx________.x-xcorrectxanswer-
whenxthexventriclexisxinxsystole
Comparedxtoxskeletalxmuscle,xcardiacxmusclex________.x-xcorrectxanswer-
hasxgapxjunctionsxthatxallowxit
toxactxasxaxfunctionalxunit
Bloodxwithinxthexpulmonaryxveinsxreturnsxtoxthex________.x-xcorrectxanswer-
leftxatrium
Whichxofxthexfollowingxisxnotxonexofxthexthreexmainxfactorsxinfluencingxbloodxpressure?x-
xcorrectxanswer-
emotionalxstate
SOLUTION 2026
Which of the following is used to reduce friction between the layers of membranes surrounding the heart?
- correct answer-Pericardial fluid
What of the following chambers of the heart contain deoxygenated blood? - correct answer-Right atrium
and right ventricle
Blood leaving the left ventricle passes through which of the following structures? - correct answer-Aortic
semilunar valve
Cardiac output is dependent on both - correct answer-heart rate and stroke volume.
Cataract leads to blindness due to - correct answer-loss of transparency of the lens.
___________ cause(s) a loss of transparency of the lens and may cause blindness. - correct answer-
Cataracts
Contraction of the atria of the heart leads to blood moving directly - correct answer-through
atrioventricular valves
Which of the following is not a type of hormone interaction? - correct answer-feedback
Which of the following is not a change typically produced by a hormonal stimulus? - correct answer-
stimulates production of an action potential
Normal development of the immune response is due in part to hormones produced by the ________. -
correct answer-thymus gland
The most important mineralcorticoid regulator of electrolyte concentrations in extracellular fluids is
________. - correct answer-aldosterone
, A man has been told that he is not synthesizing enough follicle-stimulating hormone (FSH), and for this
reason he may be unable to father a child. Choose the correct statement to explain this problem. - correct
answer-FSH stimulates sperm production in the testes.
Which of the following statements does not describe blood? - correct answer-Blood carriers body cells to
injured areas for repair
Fred's blood was determined to be AB positive. What does this mean? - correct answer-There are no
antibodies to A, to B, or to Rh antigens in the plasma.
What organ in the body regulates erythrocyte production? - correct answer-kidney
Normalxheartxsoundsxarexcausedxbyxwhichxofxthexfollowingxevents?x-xcorrectxanswer-
closurexofxthexheart
valves
Ifxcardiacxmusclexisxdeprivedxofxitsxnormalxbloodxsupply,xdamagexwouldxprimarilyxresultxfromx________
.x -
correctxanswer-decreasedxdeliveryxofxoxygen
Axforamenxovalex________.x-xcorrectxanswer-
connectsxthextwoxatriaxinxthexfetalxheart
Whichxofxthexeventsxbelowxdoesxnotxoccurxwhenxthexsemilunarxvalvesxarexopen?x-
xcorrectxanswer-
Ventriclesxarexinxdiastole.
Thextricuspidxvalvexisxclosedx________.x-xcorrectxanswer-
whenxthexventriclexisxinxsystole
Comparedxtoxskeletalxmuscle,xcardiacxmusclex________.x-xcorrectxanswer-
hasxgapxjunctionsxthatxallowxit
toxactxasxaxfunctionalxunit
Bloodxwithinxthexpulmonaryxveinsxreturnsxtoxthex________.x-xcorrectxanswer-
leftxatrium
Whichxofxthexfollowingxisxnotxonexofxthexthreexmainxfactorsxinfluencingxbloodxpressure?x-
xcorrectxanswer-
emotionalxstate
