The figure illustrates bones of the right upper limb. What does "E" represent?
A. radius
B. carpals
C. phalanges
D. metacarpals
E. ulna
C
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The parathyroid glands respond rapidly to hypocalcemia. The protein responsible for the rapid response of the principal cells to a falling calcium level is:
A. the PTH receptor B. membrane Ca++-ATPase C. Ca++-sensing receptor D. the Na+-Ca++ exchange antiporter E. TRPV5 Ca2+ channel
When Brock walked out of the dark movie theater into the bright, mid-day sun, he experienced ________
A) convergence B) the accommodation pupillary reflex C) the photopupillary reflex D) eyestrain E) hemianopia
The ________ plexus of testicular veins assists in cooling the testis.
Fill in the blank(s) with the appropriate word(s).
Sour taste is caused by the hydrogen ions from acids, while bitter taste is caused by alkaloid substances such as caffeine
Indicate whether the statement is true or false