Chief cells ________.

A) occur in the intestine
B) produce HCl
C) are found in the basal regions of the gastric glands
D) produce mucin


C) are found in the basal regions of the gastric glands

Anatomy & Physiology

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Cellular responses to hormones that initiate second-messenger systems include ________.

A) possible activation of several different second-messenger systems B) cyclic AMP phosphodiesterase formation of an active second messenger C) formation of a specific protein kinase that acts on a series of extracellular intermediates D) hormone binding to intracellular receptors

Anatomy & Physiology

Which of the choices below does not describe the importance of tubular secretion?

A) disposing of substances not already in the filtrate, such as certain drugs B) eliminating undesirable substances such as urea and uric acid that have been reabsorbed by passive processes C) ridding the body of bicarbonate ions D) ridding the body of excessive potassium ions

Anatomy & Physiology

Fast-glycolytic fibers

a. contain an abundance of mitochondria. b. can be converted into fast-oxidative fibers by regular endurance activities. c. are most abundant in muscles specialized for maintaining low-intensity contractions for long periods of time without fatigue. d. both (b) and (c) above are correct. e. all of these answers.

Anatomy & Physiology

All reflexes

A) have a reflex arc. B) occur in the spinal cord. C) have interneurons. D) have association neurons.

Anatomy & Physiology