A&P 2 STRAIGHTERLINE FINAL 2026 EXAM
QUESTIONS WITH 100% CORRECT ANSWERS
A decrease in blood oxygen stimulates which of the following? - correct answer-
a. an increase in erythropoietin formation, which increases red blood cell production
Antibodies are produced by which type of white blood cell? - correct answer-lymphocytes
Which statement about the structure of the heart is accurate? - correct answer-
b. The superior and inferior venae cavae enter the right atrium, and the pulmonary veins enter the left atri
um.
Which part of the cardiovascular system brings blood into the right atrium of the heart? - correct answer-
c. superior vena cava
Deoxygenated blood flows through the pulmonary structures in what order? - correct answer-
d. pulmonary semilunar valve ⇒ pulmonary trunk ⇒ pulmonary arteries
Oxygenated blood flows through the heart's structures in what order? - correct answer-
b. bicuspid valve ⇒ left ventricle ⇒ aortic semilunar valve
In the human body, veins are categorized according to - correct answer-size
Which sequence correctly shows the direction of blood flow in the capillary network? - correct answer-
When do congenital heart diseases occur? - correct answer-b. at birth
How does arteriosclerosis affect the circulatory system? - correct answer-
c. It increases resistance to blood flow.
Lymph consists of water and solutes derived from - correct answer-b. cell tissue and plasma.
, Which of these mechanisms is responsible for moving lymph through lymphatic vessels? -
correct answer-b. contraction of skeletal muscles
Which statement about diffuse lymphatic tissue is accurate? - correct answer-
c. It is located superficial to mucous membranes.
Which is a function of the lymphatic system? - correct answer-b. regulation of fluid balance
What would happen if excess lymph remained in the interstitial fluid instead of entering the lymphatic ca
pillaries? - correct answer-d. Edema would result, causing tissue damage and possibly death.
Inxthexbody'sxdefensexsystem,xspecificityxandxmemoryxarexkeyxcharacteristicsxofx-
xcorrectxanswer-
b.xadaptiveximmunity.
Whichxofxthesexisxanxautoimmunexdisease?x-xcorrectxanswer-
d.xsystemicxlupusxerythematosus
WhatxisxthexfirstxstagexofxHIVxinfection?x-xcorrectxanswer-
b.xAxproteinxonxthexsurfacexofxthexvirusxbindsxtoxaxCD4xmoleculexonxthexcellxsurfa
ce.
Whichxthreexorgansxmakexupxthexlowerxrespiratoryxtract?x-xcorrectxanswer-
d.xtrachea,xbronchi,xandxlungs
Thexprocessxofxmovingxairxintoxandxoutxofxthexlungsxisxcalledx-xcorrectxanswer-d.xventilation.
Inxthexhumanxbody,xinternalxrespirationxisxaxgasxexchangexbetweenxthex-
xcorrectxanswer-
d.xbloodxandxthextissues.
Thexinspiratoryxreservexvolumexforxaxyoungxadultxmalexisx3000xmL,xthextidalxvolumexisx500xmL,xandxth
exe
xpiratoryxreservexvolumexisx1100xmL.xWhatxisxthexvitalxcapacity?x-xcorrectxanswer-Selectxone:
d.x4600xmL
Inxthexrespiratoryxsystem,xthexmusclesxofxinspirationxincludexthexdiaphragm,xthexpectoralisxminor,xscalene
s,
andxthex-xcorrectxanswer-a.xexternalxintercostals.
QUESTIONS WITH 100% CORRECT ANSWERS
A decrease in blood oxygen stimulates which of the following? - correct answer-
a. an increase in erythropoietin formation, which increases red blood cell production
Antibodies are produced by which type of white blood cell? - correct answer-lymphocytes
Which statement about the structure of the heart is accurate? - correct answer-
b. The superior and inferior venae cavae enter the right atrium, and the pulmonary veins enter the left atri
um.
Which part of the cardiovascular system brings blood into the right atrium of the heart? - correct answer-
c. superior vena cava
Deoxygenated blood flows through the pulmonary structures in what order? - correct answer-
d. pulmonary semilunar valve ⇒ pulmonary trunk ⇒ pulmonary arteries
Oxygenated blood flows through the heart's structures in what order? - correct answer-
b. bicuspid valve ⇒ left ventricle ⇒ aortic semilunar valve
In the human body, veins are categorized according to - correct answer-size
Which sequence correctly shows the direction of blood flow in the capillary network? - correct answer-
When do congenital heart diseases occur? - correct answer-b. at birth
How does arteriosclerosis affect the circulatory system? - correct answer-
c. It increases resistance to blood flow.
Lymph consists of water and solutes derived from - correct answer-b. cell tissue and plasma.
, Which of these mechanisms is responsible for moving lymph through lymphatic vessels? -
correct answer-b. contraction of skeletal muscles
Which statement about diffuse lymphatic tissue is accurate? - correct answer-
c. It is located superficial to mucous membranes.
Which is a function of the lymphatic system? - correct answer-b. regulation of fluid balance
What would happen if excess lymph remained in the interstitial fluid instead of entering the lymphatic ca
pillaries? - correct answer-d. Edema would result, causing tissue damage and possibly death.
Inxthexbody'sxdefensexsystem,xspecificityxandxmemoryxarexkeyxcharacteristicsxofx-
xcorrectxanswer-
b.xadaptiveximmunity.
Whichxofxthesexisxanxautoimmunexdisease?x-xcorrectxanswer-
d.xsystemicxlupusxerythematosus
WhatxisxthexfirstxstagexofxHIVxinfection?x-xcorrectxanswer-
b.xAxproteinxonxthexsurfacexofxthexvirusxbindsxtoxaxCD4xmoleculexonxthexcellxsurfa
ce.
Whichxthreexorgansxmakexupxthexlowerxrespiratoryxtract?x-xcorrectxanswer-
d.xtrachea,xbronchi,xandxlungs
Thexprocessxofxmovingxairxintoxandxoutxofxthexlungsxisxcalledx-xcorrectxanswer-d.xventilation.
Inxthexhumanxbody,xinternalxrespirationxisxaxgasxexchangexbetweenxthex-
xcorrectxanswer-
d.xbloodxandxthextissues.
Thexinspiratoryxreservexvolumexforxaxyoungxadultxmalexisx3000xmL,xthextidalxvolumexisx500xmL,xandxth
exe
xpiratoryxreservexvolumexisx1100xmL.xWhatxisxthexvitalxcapacity?x-xcorrectxanswer-Selectxone:
d.x4600xmL
Inxthexrespiratoryxsystem,xthexmusclesxofxinspirationxincludexthexdiaphragm,xthexpectoralisxminor,xscalene
s,
andxthex-xcorrectxanswer-a.xexternalxintercostals.
