This figure shows the right anterior forearm. What muscle does number 1 indicate?
A. Brachialis
B. Palmaris longus
C. Pronator teres
D. Brachioradialis
E. Flexor carpi radialis
Answer: C
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Which of the following is the major function of DNA?
a) catalyzes metabolic reactions b) storage of energy c) transfer information for protein synthesis d) long-term storage of information for protein synthesis e) transport of electrolytes
Eyebrow hairs are always shorter than hairs on your head because ________
A) eyebrow follicles are only active for a few months B) hormones in the eyebrow follicle switch the growth off after it has reached a predetermined length C) they grow much slower D) the vascular supply of the eyebrow follicle is one-tenth that of the head hair follicle
Genotyping differs from serology in that
A) serology is faster. B) genotyping requires a fresh blood sample whereas serology can be done on a dried sample. C) serology detects diverse antigens, whereas genotyping detects the underlying genetic instructions for those antigens. D) genotyping detects diverse antigens, whereas serology detects the underlying genetic instructions for those antigens.
The body uses feedback loops to maintain homeostasis. The response that opposes an action is known as a(n) ________.
A. depressing feedback loop B. negative feedback loop C. positive feedback loop D. affirmative feedback loop