If the membrane of a neuron were permeable to Sodium [Na+], then Sodium [Na+] would flow ____ the neuron.

a. Out of
b. Into.


Answer: b. Into.

Anatomy & Physiology

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Which of the following is correctly matched?

A) sympathetic: short preganglionic and long postganglionic fibers B) sympathetic: short preganglionic and short postganglionic fibers C) sympathetic: long preganglionic and short postganglionic fibers D) parasympathetic: short preganglion and long postganglionic fibers E) parasympathetic: contains only preganglionic fibers

Anatomy & Physiology

Cells of the epiblast move toward the medial plane of the blastodisc to a region known as the ________

A) primitive streak B) blastocyst C) amnion D) germ cell

Anatomy & Physiology

All of the following are changes due to age-related decreases in endocrine secretions, except

A. decrease in muscle mass. B. decrease in bone mass. C. change in sleeping patterns. D. increased susceptibility to infection. E. inability to regulate blood glucose levels.

Anatomy & Physiology

Most cerebrospinal fluid is secreted from the choroid plexuses in the

A. third ventricle. B. cerebral aqueduct. C. fourth ventricle. D. lateral ventricles.

Anatomy & Physiology