What are the regions of a hair, from deepest to superficial?
A. Medulla, cortex, and cuticle
B. Vellus, pilus, and lanugo
C. Root, bulb, and shaft
D. Bulb, root, and shaft
E. Root, stem, and trunk
D. Bulb, root, and shaft
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Structure B is the
A) cornea.
B) lens.
C) choroid.
D) iris.
E) ciliary body.
The primary role of FSH in males is to
A) stimulate the interstitial cells to produce testosterone. B) stimulate the nurse cells to produce inhibin. C) initiate sperm production in the testes. D) develop and maintain secondary sex characteristics. E) influence sexual behaviors and sex drive.
All of the following are functions of lactic acid in sweat except which one?
A. Produce a scent that influences behavior B. Maintain a pH between 4 and 6 C. Reduces the number of pathogens on the skin D. Forms an acid mantle on the skin
Which functions in the control of movement?
A) hippocampus only B) basal nuclei only C) amygdala only D) hippocampus and amygdala E) All of the above function in the control of movement.