Suppose that following an automobile accident, a broken rib penetrates into the pleural cavity, causing air to accumulate in the space between the visceral and parietal pleura. This condition is known as a
A. cystic fibrosis.
B. hemothorax.
C. tension hemothorax.
D. pneumothorax.
Answer: D
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Which of the following muscles is classified as pennate?
A. Biceps brachii B. Semimembranosus C. Orbicularis oculi D. Sartorius E. Pectoralis major
Secretion of excess ________ hormone causes acromegaly.
Fill in the blank(s) with the appropriate word(s).
Through which of the following does blood return to the heart from the lungs?
A. Superior vena cava B. Inferior vena cava C. Pulmonary arteries D. Pulmonary veins E. Coronary sinus
Matthew has taken a "mental health day" from work. At this moment, the level or neurotransmitter released by the photoreceptors in his eyes is at maximum. What is Matthew likely doing right now?
A. Matthew is sound asleep in a very dark room. B. Matthew is in a quiet bookstore reading the newest issue of his favorite magazine. C. Matthew is at the beach enjoying a bright sunny day.