A&P 2 STRAIGHTERLINE FINAL 2026 EXAM
QUESTIONS WITH 100% CORRECT ANSWERS
A decrease in blood oxygen stimulates which of theSfollowing? - 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
WhichSstatementSabout 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.
WhichSpart 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 trunkS⇒ pulmonary arteries
Oxygenated blood flows through the heart's structures inSwhat 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-
WhenSdo congenital heart diseases occur? - correct answer-b. at birth
How does arteriosclerosis affectSthe 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.
, WhichSof these mechanisms is responsible for moving lymph through lymphatic vessels? -
correct answer-b. contraction of skeletal muscles
WhichSstatement 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.
In the body's defense system, specificity and memory are key characteristics of - correct answer-
b. adaptive immunity.
WhichSof these is an autoimmune disease? - correct answer-d. systemic lupus erythematosus
What is the first stage of HIV infection? - correct answer-
b. A protein on the surface of the virus binds to a CD4 molecule on the cell surface.
WhichSthree organs make up the lower respiratory tract? - correct answer-d. trachea, bronchi, and lungs
The process of moving air into andSout of the lungs is called - correct answer-d. ventilation.
In the human body, internal respiration is a gas exchange between the - correct answer-
d. blood and the tissues.
The inspiratory reserve volume for a young adult maleSis 3000 mL, the tidal volume is 500 mL, and the e
xpiratory reserve volume is 1100 mL. What is the vital capacity? - correct answer-Select one:
d. 4600 mL
In the respiratory system, the muscles of inspiration include the diaphragm, theSpectoralis minor, scalenes,
and the - correct answer-a. external intercostals.
QUESTIONS WITH 100% CORRECT ANSWERS
A decrease in blood oxygen stimulates which of theSfollowing? - 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
WhichSstatementSabout 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.
WhichSpart 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 trunkS⇒ pulmonary arteries
Oxygenated blood flows through the heart's structures inSwhat 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-
WhenSdo congenital heart diseases occur? - correct answer-b. at birth
How does arteriosclerosis affectSthe 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.
, WhichSof these mechanisms is responsible for moving lymph through lymphatic vessels? -
correct answer-b. contraction of skeletal muscles
WhichSstatement 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.
In the body's defense system, specificity and memory are key characteristics of - correct answer-
b. adaptive immunity.
WhichSof these is an autoimmune disease? - correct answer-d. systemic lupus erythematosus
What is the first stage of HIV infection? - correct answer-
b. A protein on the surface of the virus binds to a CD4 molecule on the cell surface.
WhichSthree organs make up the lower respiratory tract? - correct answer-d. trachea, bronchi, and lungs
The process of moving air into andSout of the lungs is called - correct answer-d. ventilation.
In the human body, internal respiration is a gas exchange between the - correct answer-
d. blood and the tissues.
The inspiratory reserve volume for a young adult maleSis 3000 mL, the tidal volume is 500 mL, and the e
xpiratory reserve volume is 1100 mL. What is the vital capacity? - correct answer-Select one:
d. 4600 mL
In the respiratory system, the muscles of inspiration include the diaphragm, theSpectoralis minor, scalenes,
and the - correct answer-a. external intercostals.
