Medical Quiz

Topics: Neurology Quiz

Myasthenia gravis occurs when antibodies attack the __________ receptors at the neuromuscular junction leading to ____________.

A. metabotropic; muscle weakness

B. nicotinic acetylcholine; muscle weakness

C. dopaminergic adrenergic; muscle contraction

D. nicotinic adrenergic; muscle contraction

Select your answer:
         


Topics:

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What is thought of as the primary defenses against pathogens in the human body?

A. Lymphocytes and phagocytes

B. Antibodies and lymphocytes

C. The skin and mucous membranes

D. The circulatory system


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What happens to obligate anaerobes in the presence of oxygen?

A. They can use oxygen for respiration

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C. They can grow faster

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