Which of the following cells stand guard against toxins, microbes and other pathogens?
A) Melanocytes
B) Tactile (Merkel) cells
C) Keratinocytes
D) Dendritic (Langerhans) cells
E) Adipocytes
D
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Lifting up a glass to take a drink involves the elbow joint. Which of the following correctly characterizes that joint?
A) cartilaginous B) pivot C) diarthrotic D) biaxial
By signaling the small intestine, the ____ is an endocrine gland, and ____ is a hormone
a. large intestine, vitamin D. b. large intestine, vitamin E. c. skin, vitamin D. d. skin, vitamin E. e. thyroid gland, TSH.
What eye disorder is caused by irregular curvature of either the cornea or the lens?
A) Loss of rod photoreceptors B) Increased ocular pressure C) Astigmatism D) Strabismus
Stimuli produced by sound waves reach the brain following which pathway?
A) Cochlear duct ? oval window ? auditory canal ? tympanic membrane ? ossicles ? spiral organ ? fibers of cochlear nerve B) Auditory canal ? tympanic membrane ? ossicles ? oval window ? cochlear duct ? spiral organ ? fibers of cochlear nerve C) Auditory canal ? tympanic membrane ? oval window ? cochlear duct ? ossicles ? spiral organ ? fibers of cochlear nerve D) Tympanic membrane ? auditory canal ? ossicles ? oval window ? cochlear duct ? spiral organ ? fibers of cochlear nerve E) Cochlear duct ? spiral organ ? ossicles ? oval window ? auditory canal ? tympanic membrane ? fibers of cochlear nerve