Where are the semilunar valves?
A. Between the great veins and the atria
B. Between the ventricles and the great arteries
C. Only between the right ventricle and the pulmonary trunk
D. Between the pulmonary veins and the left atrium
E. Between the atria and the ventricles
Answer: B
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Define cyanosis
What will be an ideal response?
Blood is supplied to the muscular wall of the left atrium by the
A) brachiocephalic artery. B) right coronary artery. C) left coronary artery. D) phrenic arteries. E) pulmonary arteries.
Nonspecific immune responses
a. come into play whether or not there has been prior experience with the offending agent b. are triggered by invasion of infectious microorganisms, chemical injury, mechanical trauma, or burns c. are mediated by lymphocytes d. have characteristics a and b e. have none of the above characteristics
Which extrinsic eye muscle only performs medial rotation of the eye?
A. Superior rectus muscle B. Inferior rectus muscle C. Inferior oblique muscle D. Medial rectus muscle