Which represents the pressure of blood in between contractions, when the ventricles are at rest?
A. Diastolic
B. Systolic
Answer: A
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Matching
A) A B) D C) E 6) Atrial depolarization. 7) Point after which pressure begins to rise in the aorta. 8) Ventricular repolarization. 9) Point that represents the "dup" sound made by the heart.
Which structure in a spermatozoan contains the only structure of its kind found in the human body?
A) midpiece B) tail C) acrosome D) head E) None of the answers are correct.
Where are aquaporins found?
A. In the macula densa B. In the proximal convoluted tubule C. In intercalated cells in the collecting duct D. In principal cells in the collecting duct E. In the nephron loop
The accessory nerve
A. is cranial nerve XI. B. has fibers that join the vagus nerve. C. provides innervation to the trapezius and sternocleidomastoid muscles. D. has both a cranial and a spinal component. E. All of the choices are correct.