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A&P 2 Straighterline Final Exam Questions
With Complete Solutions.
A decrease in blood oxygen stimulates which of the following? - answer✔a. an increase in
erythropoietin formation, which increases red blood cell production
Antibodies are produced by which type of white blood cell? - answer✔lymphocytes
Which statement about the structure of the heart is accurate? - answer✔b. The superior and
inferior venae cavae enter the right atrium, and the pulmonary veins enter the left atrium.
Which part of the cardiovascular system brings blood into the right atrium of the heart? -
answer✔c. superior vena cava
Deoxygenated blood flows through the pulmonary structures in what order? - answer✔d.
pulmonary semilunar valve ⇒ pulmonary trunk ⇒ pulmonary arteries
Oxygenated blood flows through the heart's structures in what order? - answer✔b. bicuspid
valve ⇒ left ventricle ⇒ aortic semilunar valve
In the human body, veins are categorized according to - answer✔size
Which sequence correctly shows the direction of blood flow in the capillary network? -
answer✔
When do congenital heart diseases occur? - answer✔b. at birth
How does arteriosclerosis affect the circulatory system? - answer✔c. It increases resistance to
blood flow.
Lymph consists of water and solutes derived from - answer✔b. cell tissue and plasma.
Which of these mechanisms is responsible for moving lymph through lymphatic vessels? -
answer✔b. contraction of skeletal muscles
Which statement about diffuse lymphatic tissue is accurate? - answer✔a. It has a clear
boundary.
b. It contains macrophages.
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c. It is located superficial to mucous membranes.
d. It is organized into compact, somewhat spherical structures.
Which is a function of the lymphatic system? - answer✔b. regulation of fluid balance
What would happen if excess lymph remained in the interstitial fluid instead of entering the
lymphatic capillaries? - answer✔d. Edema would result, causing tissue damage and possibly
death.
Which cell type is part of the innate immune system? - answer✔a. natural killer cell
b. memory B cell
c. plasma cell
d. helper T cell
In the body's defense system, specificity and memory are key characteristics of - answer✔b.
adaptive immunity.
Which of these is an autoimmune disease? - answer✔d. systemic lupus erythematosus
What is the first stage of HIV infection? - answer✔b. A protein on the surface of the virus binds
to a CD4 molecule on the cell surface.
Which three organs make up the lower respiratory tract? - answer✔a. pharynx, larynx, and
trachea
b. nose, nasal cavity, and pharynx
c. pharynx, trachea, and bronchi
d. trachea, bronchi, and lungs
The process of moving air into and out of the lungs is called - answer✔d. ventilation.
In the human body, internal respiration is a gas exchange between the - answer✔a. air in the
lungs and the blood.
b. air in the lungs and the tissues.
c. blood and the lymph.
d. blood and the tissues.
The inspiratory reserve volume for a young adult male is 3000 mL, the tidal volume is 500 mL,
and the expiratory reserve volume is 1100 mL. What is the vital capacity? - answer✔Select one:
a. 1400 mL
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