Which of the following is considered to be a positive chronotropic agent?

a. acetylcholine
b. sodium channel antagonists
c. isoproterenol
d. calcium channel blockers


Answer: c. isoproterenol

Anatomy & Physiology

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The thyroid gland has a special ability to remove the element ________ from the blood.

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

Anatomy & Physiology

Changes in stomach activity as the stomach stretches with food are most closely associated with:

a. external influences b. local changes in the digestive tract c. intrinsic nerve plexus d. extrinsic autonomic nerves e. gastrointestinal hormones

Anatomy & Physiology

Explain where sodium and potassium ions are located relative to a muscle cell during resting membrane potential

What will be an ideal response?

Anatomy & Physiology

The parotid glands are

A. the largest salivary glands. B. under the tongue. C. the smallest salivary glands. D. in the lower jaw.

Anatomy & Physiology