Residual volume is the volume of air __________.
a. that remains in the lungs after maximal expiration
b. at the end of normal respiration if expiratory muscles are actively contracted
c. inspired and expired during one breath
d. that can be inspired over and above resting tidal volume
Ans: a. that remains in the lungs after maximal expiration
You might also like to view...
Opiate drugs derived from poppies relieve pain in humans because the human nervous system has
A. sodium and potassium membrane channels. B. neurotransmitters. C. receptors for endogenous opiates. D. myelin.
Which of the following cells is the most critical cell in immunity?
A) B cell B) helper T cell C) cytotoxic T cell D) APC
Identification of familiar objects by touch, smell, taste, or feel occurs in
A) both cerebral hemispheres. B) neither cerebral hemisphere. C) the right cerebral hemisphere. D) the left hemisphere in about 78 percent of the population. E) the left cerebral hemisphere.
A lesion in the preoptic region of the hypothalamus causes:
A. hypothermia B. decreased sweating C. increased food intake D. decreased food intake E. cutaneous vasodilation