The difference between the systolic and diastolic pressures is called the ________ pressure
A) critical closing
B) mean arterial
C) pulse
D) blood
E) circulatory
Answer: C
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Nocturnal enuresis is
A. kidney damage from a toxin that E. coli produces. B. a form of kidney cancer. C. an infection. D. bedwetting.
Injections taken by diabetics to allow cells to communicate with other cells contain which protein?
A) Antibody B) Insulin C) Albumin D) Collagen
The adrenal medulla is important to the sympathetic branch of the autonomic nervous system because
A) it is a source of catecholamines and it is considered a modified sympathetic ganglion. B) it is a source of catecholamines. C) it is considered a modified sympathetic ganglion. D) it is a source of catecholamines, it is considered a modified sympathetic ganglion, and it releases epinephrine and norepinephrine directly into the blood. E) it releases epinephrine and norepinephrine directly into the blood.
Diffusion of a substance across the cell membrane may be influenced by all of the following except
A) the availability of ATP. B) the presence of membrane channels for the substance. C) its charge of the substance. D) its concentration gradient. E) its lipid solubility.