Which outer layer of the blastocyst forms part of the placenta?

A. Trophoblast
B. Embryoblast
C. Yolk sac
D. Amnion
E. Blastocoel


A. Trophoblast

Anatomy & Physiology

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What is the total magnification when using the oil-immersion objective to view a structure?

A) 400× B) 40× C) 1000× D) 100×

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This diagram below illustrates an example of a(n)

A. adrenal medulla pathway. B. spinal nerve pathway. C. sympathetic nerve pathway. D. splanchnic nerve pathway.

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The release of chemicals from an endocrine or exocrine gland is referred to as ______

A. Absorption B. Diffusion C. Filtration D. Secretion

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Contraction of the muscle that is attached to the radial tuberosity results in

A) flexion of the forearm. B) extension of the forearm. C) abduction of the forearm. D) adduction of the forearm. E) rotation of the shoulder.

Anatomy & Physiology