Descending tracts in the spinal cord relay ________ information
A) sensory
B) motor
C) sensory and motor
D) only somatic
E) autonomic
B
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Lymphatic drainage of the breast:
A) is principally to the ipsilateral parasternal lymph nodes. B) and ultimately from both breasts enters the thoracic duct. C) is principally to the ipsilateral internal thoracic vein. D) is principally to the ipsilateral axillary nodes. E) is principally to the ipsilateral lymph vessels running deep to the pectoralis major.
Minimal metabolic rate is measured
a. at the optimal temperature for the organism. b. during sleep. c. with diet-induced thermogenesis subtracted from the final value. d. two of these. e. all of these.
How does the urethra differ between males and females?
A) The male urethra is shorter. B) The male urethra is longer. C) The male urethra is longer and also transports semen. D) The male urethra is shorter and also transports semen. E) The male urethra is the same length as the female but also transports semen.
Water molecules rely on ________ to hold them together
A) ionic bonds B) hydrogen bonds C) polar covalent bonds D) nonpolar covalent bonds