Which germ layer is most muscle derived from?

A. ectoderm
B. mesoderm
C. endoderm


B

Anatomy & Physiology

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In a newborn infant, torticollis resulting from a tissue tumor most likely involves which of the following muscles?

A) sternocleidomastoid B) trapezius C) scalenus anterior D) semispinalis cervicis E) levator scapulae

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A BMI of 27.3 is considered ____.

Select one: A. normal B. overweight C. obese D. anorexic

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A network of interwoven anterior rami of spinal nerves is a

A. ganglion. B. dermatome. C. ramus. D. communicans. E. plexus.

Anatomy & Physiology

Arrange the events of synaptic transmission in correct sequence.(1) Na+ diffuses into the cell and cause a local potential(2) Neurotransmitter binds with receptor on postsynaptic cell(3) Neurotransmitter diffuses across the synaptic cleft(4) Membrane permeability to Na+ on postsynaptic cell increases(5) Action potential causes release of neurotransmitter

A. 5, 2, 3, 1, 4 B. 5, 4, 3, 2, 1 C. 5, 3, 4, 1, 2 D. 5, 3, 2, 4, 1 E. 5, 2, 3, 4, 1

Anatomy & Physiology