If a person is injected with a toxin that blocks acetylcholine receptors, which of the following will occur?

A. The sarcolemma will be constantly stimulated and muscles will continually contract.
B. Spastic paralysis will result.
C. The toxin will have no effect on muscle action.
D. Stimulation of the sarcolemma will not be possible and muscles will be paralyzed.
E. The person will develop myasthenia gravis.


D. Stimulation of the sarcolemma will not be possible and muscles will be paralyzed.

Anatomy & Physiology

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The skin and its derivatives (nails, glands, and hairs) form the ________

A) skeletal system B) integumentary system C) endocrine system D) immune system E) lymphatic system

Anatomy & Physiology

Which tissue would you expect to find in an area of the body that experiences friction and wear and tear?

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Anatomy & Physiology

Compared to membrane carriers, how much faster are channels at allowing particles/ions to pass through the plasma membrane?

a. 2x b. 10x c. 25x d. 100x e. 1,000x

Anatomy & Physiology