What ion triggers synaptic vesicles to release neurotransmitters into the synaptic cleft?

A) calcium B) magnesium C) chlorine D) sodium


Answer: A

Anatomy & Physiology

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The effect of the parasympathetic division on the penis is vasodilation causing erection, while ejaculation is due to sympathetic stimulation

Indicate whether the statement is true or false

Anatomy & Physiology

What occurs when gamma motor neurons to a muscle are activated?

A. The muscle lengthens. B. The muscle spindle goes slack. C. Action potential firing increases in afferent neurons from the muscle spindles. D. The contractile ends of intrafusal fibers elongate. E. Extrafusal muscle fibers within that muscle are inhibited from contracting.

Anatomy & Physiology

Moving a part of the body toward the midline of the body is called:

a. adduction b. abduction c. rotation d. pronation

Anatomy & Physiology

Which of the following would you not expect to find in normal urine?

A) NaCl B) Uric acid C) Hemoglobin D) Potassium E) Phosphate

Anatomy & Physiology