A brainstem stroke could result from a clot in the femoral vein.
a. true
b. false
Ans: b. false
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Which is TRUE about the Na+, K+ ATPase pump in neurons?
A. It maintains an electrical gradient at the equilibrium potential of K+. B. It pumps 3 Na+ ions into the cell for every 2 K+ ions it pumps out. C. It transports equal numbers of sodium and potassium ions with each pump cycle. D. It maintains a concentration gradient for K+ such that diffusion forces favor movement of K+ into the cell. E. It generates a small electrical potential such that the inside is made negative with respect to the outside.
When an action potential passes over the surface of a synaptic knob, the contents of the
vesicles are released in response to the presence of A) neurotransmitters. B) calcium ions. C) neuropeptides. D) sodium ions.
Match the function or term with the appropriate organic molecule.A. CarbohydratesB. LipidsC. ProteinsD. Nucleic acidsGlycogen
Fill in the blank(s) with the appropriate word(s).
An eccentric contraction is described as
A. action potential frequency is high enough that no relaxation of muscle fibers occurs. B. a muscle produces constant tension during contraction. C. a muscle produces an increasing tension during contraction. D. a muscle produces increasing tension as it shortens. E. a muscle produces tension, but the length of the muscle is increasing.