The adrenal medulla develops from which of the following germ layers during embryonic development?

a) Mesoderm
b) Endoderm
c) Ectoderm
d) A combination of two of the layers
e) None of the answer selections are correct


c

Anatomy & Physiology

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Which of the following is a desirable physiologic result of skin exposure to ultraviolet radiation?

A) drying of the skin B) a decrease in melanocyte activity C) assistance in conversion of a cholesterol-related steroid into vitamin D D) mild sunburn to promote replacement of old epidermal cells E) None of the answers are correct.

Anatomy & Physiology

Using a circular saw-like instrument to remove bone or tissue is called __________

Fill in the blank(s) with correct word

Anatomy & Physiology

Which follicle stage is characterized by the development of a corona radiata?

A. Primary B. Secondary C. Tertiary D. Graafian

Anatomy & Physiology

This large, fan-shaped muscle of the upper chest is the prime mover of arm flexion

A) pectoralis major B) external oblique C) serratus anterior D) deltoid

Anatomy & Physiology