Medical Quiz

Anatomy - Muscle Histology/NMJ/Physiology Quiz

Which of these occurs last during a muscle contraction?

A. The nerve signal reaches the neuromuscular junction

B. Ach is released and opens Na ion channels

C. The sarcomere shortens

D. The myosin binds to the actin

Select your answer:
         


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Other quiz:

Immunology › View

Which of the following are typically used as the solute in a dilution?

A. water

B. buffer

C. saline

D. serum


Brain › View

In a cross section of the spinal cord, the peripheral ventral white portion consists of __________ forming nerve tracts, and the central gray portion consists of __________ , dendrites, and axons.

A. Unmyelinated axons, neuron cell bodies

B. Myelinated axons, sensory receptors

C. Myelinated axons, neuron cell bodies

D. Myelinated neurotransmitters, axons