The point where light rays cross after passing through a concave lens is referred to as the _____
A.
near point of vision
B.
focal point
C.
far point of vision
D.
depth of focus
B
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This figure shows the muscles of respiration. What muscles are indicated by number 1?
A. External intercostals B. Internal intercostals C. Scalenes D. Diaphragm E. Transversus thoracis
The difference in the action when comparing the biceps brachii to the flexor carpi radialis, is
A) one muscle flexes the hand at the wrist and the other flexes the entire forearm. B) one muscle flexes the arm and the other extends the arm. C) one moves the ulna and the other moves the radius. D) one of these muscles is voluntary while the other is involuntary. E) the shapes of the two muscles differ.
Which of these statements about melatonin is false?
A) Exposure to light inhibits production. B) Exposure to light stimulates production. C) It inhibits releases of GnRH. D) It is produced by pinealocytes. E) It is made from serotonin.
Chronic hypersecretion of growth hormone as a child would result in
A. pituitary dwarfism. B. acromegaly. C. myxedema. D. giantism.