Extensions of the plasma membrane that increase surface area for the absorption of nutrients in the small intestine are called ________.
What will be an ideal response?
microvilli
brush border
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Procaine (Novocain) is a drug that blocks voltage-gated Na+ channels. When present, what would happen in a neuron?
A. Neither graded potentials nor action potentials will occur. B. Graded potentials are possible, but the neuron will not have the depolarizing phase of the action potential. C. Graded potentials are possible and the neuron will have the depolarizing phase of the action potential, but will be unable to repolarize. D. No phase of the action potential will be affected.
Factors in preventing (or delaying) osteoporosis include ________.
A) drinking fluoridated water B) decreasing weight-bearing exercise C) increasing dietary vitamin C D) decreasing exposure to the sun
The ________ nerve controls the extensors of the knee.
A) tibial B) deep fibular C) femoral D) sciatic E) peroneal
The muscles found between the ribs are ______________________________ muscles
Fill in the blank(s) with correct word