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A&P 2 Straighterline Final Exam 60 Question and Answers.
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A&P 2 Straighterline Final Exam 60Question and Answers
A decrease in blood oxygen stimulates which of the following? -
Ans a. an increase in erythropoietin formation, which increases red blood cell
production
Antibodies are produced by which type of white blood cell? -
Ans lymphocytes
Which statement about the structure of the heart is accurate? -
Ans 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? -
Ans c. superior vena cava
Deoxygenated blood flows through the pulmonary structures in what order? -
Ans d. pulmonary semilunar valve ⇒ pulmonary trunk ⇒ pulmonary arteries
Oxygenated blood flows through the heart's structures in what order? -
Ans b. bicuspid valve ⇒ left ventricle ⇒ aortic semilunar valve
In the human body, veins are categorized according to -
Ans size
Which sequence correctly shows the direction of blood flow in the capillary network?
-
Ans
When do congenital heart diseases occur? -
Ans b. at birth
How does arteriosclerosis affect the circulatory system? -
Ans c. It increases resistance to blood flow.
Lymph consists of water and solutes derived from -
Ans b. cell tissue and plasma.
Which of these mechanisms is responsible for moving lymph through lymphatic
vessels? -
Ans b. contraction of skeletal muscles
Which statement about diffuse lymphatic tissue is accurate? -
Ans a. It has a clear boundary.
b. It contains macrophages.
, 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? -
Ans b. regulation of fluid balance
What would happen if excess lymph remained in the interstitial fluid instead of
entering the lymphatic capillaries? -
Ans d. Edema would result, causing tissue damage and possibly death.
Which cell type is part of the innate immune system? -
Ans 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 -
Ans b. adaptive immunity.
Which of these is an autoimmune disease? -
Ans d. systemic lupus erythematosus
What is the first stage of HIV infection? -
Ans 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? -
Ans 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 -
Ans d. ventilation.
In the human body, internal respiration is a gas exchange between the -
Ans 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?
-
Ans Select one:
a. 1400 mL
b. 2400 mL
c. 4100 mL
d. 4600 mL
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