Early in the development of skin, ectoderm becomes
A. periderm and mesoderm becomes mesenchyme.
B. perichondrium and mesoderm becomes the vernix caseosa.
C. mesenchyme and endoderm becomes periderm.
D. the vernix caseosa and mesoderm becomes the stratum basale.
Answer: A
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The interstitial cells of __________ are the pacesetter cells responsible for instigating cyclic slow-wave activity
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Fasciotomy is a procedure done to prevent severe swelling from damaging a muscle and its blood supply. It is a treatment for
A. myasthenia gravis. B. muscular dystrophy. C. compartment syndrome. D. amyotrophic lateral sclerosis. E. multiple sclerosis.
Reduction division occurs during
A. both mitosis and meiosis. B. meiosis. C. mitosis.
The sympathetic postganglionic axons from the superior cervical ganglion innervate
a: Sweat glands in the head b: Sweat glands in the palms c: Smooth muscle of blood vessels in the head d: Smooth muscles of blood vessels in the antebrachial region e: Superior tarsal muscle of the eye f: Submandibular salivary gland A. a, c, e B. b, d, f C. a, c, f D. d, e, f E. b, d