Looking at a slide of thin skin under the microscope, you note that the stratum basale is the ________ layer of the epidermis in from the surface
A) fourth B) fifth C) second D) third E) first
A
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Two standard measurements are used to determine fetal length. Which of these would be the longer of the two measurements on any normal fetus?
A. CHL B. HRL C. CFL D. CRL E. HTL
During dark adaptation ________
A) the cones are activated B) rhodopsin accumulates in the rods C) the sensitivity of the retina decreases D) the rate of rhodopsin breakdown is accelerated
Which of the following is true regarding the levator scapulae?
A) It elevates the scapula if the scapula is fixed. B) It flexes the neck if the scapula is fixed. C) It is innervated by the phrenic nerve. D) It protracts the scapula if the humerus is fixed. E) It rotates the scapula and depresses the apex of the shoulder.
________ does not occur upon exposure to cold
a. Skin vasoconstriction b. Decreased muscle tone c. Nonshivering thermogenesis d. Behavioral adaptations e. Stimulation of thermoreceptors