Which of the following cause the symptoms of an immediate allergy reaction?
A) B cells
B) T cells
C) mast cells
D) neutrophils
Ans: C) mast cells
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The chyme entering the small intestine
A) is very basic. B) is buffered by pancreatic bicarbonate secretion. C) has not undergone any digestive processes. D) passes through the cardiac sphincter.
A neuron branching from the spinal cord innervates a group of muscle fibers in the biceps brachii and stimulates them to contract. This neuron is part of the ________ pathway.
Fill in the blank(s) with the appropriate word(s).
If a cell's membrane is not excitable, this means that _____
Fill in the blank(s) with the appropriate word(s).
Antigen-presenting cells located in the epithelia of the skin are called
A) keratinocytes. B) squamous macrophages. C) germinative cells. D) dendritic cells. E) Merkel cells.