Drugs that decrease membrane permeability to sodium
A) lessen pain.
B) all of the above.
C) prevent nerve impulses from passing through the affected body part.
D) are used as local anesthetics.
B
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What would be the result if the administration of a drug sequesters all the ATP in a cell?
A. Calcium will remain in the cytosol, continuously stimulating cross-bridge cycling. B. Repeated, high-frequency action potentials will be fired at a skeletal muscle fiber causing sustained contraction. C. Calcium-activated proteases degrade all proteins in skeletal muscle fibers, making muscles limp. D. All cross-bridges will remain tightly bound to actin. E. A build-up of K+ in T-tubules will cause constant, tetanic contractions of skeletal muscles.
Oxytocin and ADH are produced in the posterior pituitary
Indicate whether the statement is true or false
The ________ is a "housekeeping function" that sweeps food remnants and bacteria out of the upper GI tract and into the large intestine.
Fill in the blank(s) with the appropriate word(s).
List the three primary brain vesicles and describe what each part eventually forms in a mature brain
What will be an ideal response?