The enzyme in the synaptic cleft partly responsible for shutting down a muscle contraction is
A) actinase.
B) myosinase.
C) calmodulin.
D) epinephrinase.
E) acetylcholinesterase.
E) acetylcholinesterase.
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________ are large phagocytic white cells that spend most of their time outside the blood as fixed and free phagocytic cells
A) Neutrophils B) Eosinophils C) Basophils D) Lymphocytes E) Monocytes
What would most likely happen if there were a decrease in the number of acetylcholine receptors in an NMJ?
A) decreased neurotransmitter release into the synaptic cleft B) increased sodium ion influx at the motor endplate C) decreased action potential generation at the motor endplate D) increased action potential generation at the motor endplate
The pericardial cavity contains ________, which acts as a lubricant, reducing friction between the opposing surfaces.
Fill in the blank(s) with the appropriate word(s).
The inner ear contains the organs for both hearing and equilibrium.
Answer the following statement true (T) or false (F)