The head of a sperm contains

A. a nucleus enclosing 23 chromosomes.
B. a large amount of cytoplasm.
C. many organelles.
D. All apply.


Answer: A

Anatomy & Physiology

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The influence of oxytocin on the uterus during childbirth and the subsequent effect of uterine stretch on the release of oxytocin is an example of

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Renal clearance is the net effect of which of the following? select all that apply.

a) tubular reabsorption b) metabolic deactivation c) tubular secretion d) dietary intake e) glomerular filtration

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The sleep/wake cycle is influenced by the

A. basal nuclei. B. reticular formation. C. vermis. D. thalamic nuclei. E. cerebellum.

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Most parasympathetic fibers reach their target organs by way of which nerve?

A. Vagus B. Oculomotor C. Trigeminal D. Splanchnic E. Accessory

Anatomy & Physiology