Plasma clearance is the
a. time required to filter blood in the glomerulus
b. amount of a substance appearing in the urine in one minute
c. amount of a substance that is filtered in one minute
d. amount of a substance secreted in one minute
e. volume of plasma cleared of a substance by the kidneys in one minute
E
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The membrane potential of cardiac contractile cells at rest is about ____ mV
a. -110 b. -90 c. -70 d. -50 e. -30
The conjunctiva that lines the internal surface of the eyelids is termed the ________ conjunctiva.
A. ocular B. epithelial C. retinal D. visceral E. palpebral
A measure of the distensibility of the lungs is ________.
A. elasticity B. surface tension C. compliance D. None of the choices are correct.
Which is the most logical reason for an elderly person's higher potential to be prone to skin infections, compared to a younger person?
A) The hair is thinner in the elderly. B) There are fewer melanocytes in the skin of a younger person. C) The blood supply to the dermis is reduced in the skin of a young person. D) Bone strength decreases in the elderly. E) Stem cell activity in the epidermis declines in the elderly.