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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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.
If a cell's membrane is not excitable, this means that _____
Fill in the blank(s) with the appropriate word(s).
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).