Which vitamin is synthesized by the skin?

A) vitamin A
B) vitamin C
C) vitamin D
D) vitamin E
E) vitamin K


C

Anatomy & Physiology

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Which of the following generalizations does not describe the cerebral cortex?

A) The cerebral cortex contains three kinds of functional areas. B) Each hemisphere is chiefly concerned with sensory and motor functions of the contralateral side of the body. C) The hemispheres are exactly equal in function. D) No functional area of the cortex works alone.

Anatomy & Physiology

Which statement about nervous systems is NOT true?

a. The arthropod nervous system has ganglia that lie within the central nervous system. b. Arthropods have a solid and dorsal nerve cord c. The nerve cord of vertebrates has a segmental branching pattern. d. In vertebrates, interneurons are only found in the central nervous systems.. e. In vertebrates only two neurotransmitters control the effector organ responses regulated by efferent neuronal terminals.

Anatomy & Physiology

Nerve fibers are insulated from one another by ________.

A. blood vessels B. epineurium C. endoneurium D. perineurium E. fascicles

Anatomy & Physiology

AIDS cripples the immune system by interfering with the activity of cells called ________

A) antigen-presenting cells B) plasma cells C) memory cells D) helper T cells

Anatomy & Physiology