Mucous, sweat gland secretions, hairs, and sebaceous secretions all contribute to the effectiveness of which type of innate defense?

a. interferons
b. pyrogens
c. physical barriers
d. complement


Answer: c. physical barriers

Anatomy & Physiology

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__________ is the hormone antagonist of insulin

Fill in the blank with the correct word.

Anatomy & Physiology

An organic molecule such as a vitamin that makes an enzyme functional is called a/an ________.

A. catalyst B. coenzyme C. coactivator D. buffer

Anatomy & Physiology

Epinephrine and norepinephrine are secreted by the ________.

A. adrenal cortex B. kidneys C. pancreas D. adrenal medulla

Anatomy & Physiology

Our ability to precisely locate a stimulus is ________ proportional to receptive field size.

A. inversely B. directly

Anatomy & Physiology