The directional term that means "closest to the point of attachment to the trunk" is
A. proximal.
B. dorsal.
C. cephalic.
D. distal.
E. medial.
Answer: A
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This figure shows the humerus. The _________ articulates with the depression indicated by number 8
A. head of the radius B. trochlea of the radius C. olecranon of the ulna D. coronoid process of the ulna E. styloid process of the ulna
Which statement is correct?
a. In a cold environment, the body gains heat by conduction, convection, radiation, and evaporation. b. In a hot environment when the temperature of the environment exceeds that of the skin surface, convection is the only means for the body to lose heat. c. Temperature control centers in the hypothalamus receive input from peripheral thermoreceptors in the skin and central thermoreceptors in the hypothalamus and internal organs. d. All of the above e. Only b and c
When comparing cardiac muscle cells and skeletal muscle cells,
A. both are voluntary. B. action potentials are conducted from cell to cell only in cardiac muscle. C. both possess intercalated discs. D. the rate of action potential propagation is faster in cardiac muscle. E. only skeletal muscle has a plateau phase in its contraction cycle.
Which one of the following is NOT a main role of the liver?
A) detoxify drugs and alcohol B) degrade hormones C) make cholesterol D) process nutrients during digestion E) add ammonia to the blood