An electroencephalogram measures
A. electrical activity in the brain.
B. the use of glucose in the brain.
C. the production of CSF in the brain.
D. blood flow in the brain.
Answer: A
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A drug that functions as an agonist
A) activates a receptor, helping a neurotransmitter bind or triggering an action potential in some other way. B) causes great pain if taken in too high a dose. C) relieves pain. D) blocks a receptor so that the neurotransmitter cannot bind.
Hormones that can pass through the plasma membrane are ________ and are called ________.
A. nonpolar; hydrophobic B. nonpolar; hydrophilic C. polar; hydrophilic D. polar; hydrophobic
Mineralocorticoids regulate the concentration of ________ and ________ ions in our blood.
A) iron; magnesium B) calcium; phosphorus C) water; glucose D) sodium; potassium
The movement of the thumb so that it passes directly across the palmar surface of your hand is known as ________ of the thumb
A) abduction B) adduction C) flexion D) opposition