Which steroid is secreted by the adrenal cortex to increase reabsorption of sodium ions?
A) Angiotensin B) Adrenalin
C) Antidiuretic hormone D) Aldosterone
D
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Which of the following is NOT true of the bones of the hand?
A. The carpals are arranged in 2 rows of 4 bones each. B. All 5 digits of the hand contain 3 phalanges. C. The metacarpals articulate with the proximal phalanges. D. The hand contains a single metacarpal for each digit. E. All of these are true of the bones of the hand.
The ________ is the inner layer of the kidney that communicates with the calcyes.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements regarding the precision of locating a somatic stimulus is FALSE?
A. The precision is greater in areas of the body that have small, overlapping receptive fields than in areas with large, nonoverlapping receptive fields. B. The precision is greater in the lips and fingers than on the back. C. The precision is greater for the skin than for the internal organs. D. Lateral inhibition of parallel afferent pathways increases the precision of locating a stimulus. E. Convergence of afferent neurons onto common ascending pathways increases acuity.
Which of these muscles would you expect to be especially well developed in a boxer known for his powerful jab (punching straight ahead)?
a. biceps brachii b. brachialis c. trapezius d. triceps brachii e. supinator