A&P 2 Straighterline Final Exam 60
Question 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.
