Blood is returned to the heart via the _________.
A. superior vena cava
B. inferior vena cava
C. coronary sinus
D. all of the above
Answer: D. all of the above
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In a subdural hematoma resulting from a blow to the head, blood accumulates between the
A. dura mater and arachnoid mater. B. arachnoid mater and pia mater. C. pia mater and brain. D. dura mater and skull.
Kevin was playing softball with some friends and was hit in the face by a ball fracturing one of the bones. Select the bone matched with its proper description that was most likely fractured?
A. Zygomatic bone - irregular B. Nasal bone - flat C. Occipital bone - flat D. Temporal bone - short
The corpus cavernosum, a mass of tissue rich in venous channels, is present in the:
a. Epididymis b. Penis c. Prostate gland d. Rete testis e. Vas deferens
Atrial natriuretic hormone is named for its main effect which is to
A. increase sodium excretion in the urine. B. cause the binding of sodium to urea in the blood. C. increase the absorption of sodium by heart muscle cells. D. decrease sodium excretion in perspiration.