Which neurotransmitter is released by the preganglionic neuron at the autonomic ganglion in the diagram?

a) Norepinephrine
b) Acetylcholine
c) Epinephrine
d) Dopamine
e) Serotonin


b

Anatomy & Physiology

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There are two types of lymphocytes, B and T lymphocytes (B and T cells)

a. True b. False Indicate whether the statement is true or false

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There are about ________ platelets in one ?l of blood.

A. 5.4-6.1 million B. 150,000-400,000 C. 4,000-10,000 D. 20,000-100,000

Anatomy & Physiology

An important trace mineral that acts as an antioxidant is

A) iron. B) cobalt. C) selenium. D) chromium. E) magnesium.

Anatomy & Physiology

A hematocrit provides information on

A) blood type. B) clotting factors. C) formed elements abundance. D) plasma composition. E) sedimentation rate.

Anatomy & Physiology