A "pilus" is another term for what?

A. A hair
B. A hair's growth center
C. A muscle that moves a hair
D. A sensory nerve fiber around the base of a hair
E. A gland associated with a hair follicle


A. A hair

Anatomy & Physiology

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The events leading to skeletal muscle contraction are initiated by the neurotransmitter __________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Vitamin B12 deficiency can cause a bleeding tendency because of incomplete activation of vitamin B–dependent clotting factors

a. True b. False Indicate whether the statement is true or false

Anatomy & Physiology

Which hormone promotes gluconeogenesis as a way to increase blood glucose levels?

A) insulin B) cortisol C) melatonin D) aldosterone

Anatomy & Physiology

Maureen is hiking in the cold, and to maintain homeostasis her body begins to

A. increase heat loss from the skin. B. release chemicals to initiate a high fever. C. shiver. D. reduce her blood pressure. E. vasodilate vessels in her head and neck.

Anatomy & Physiology