Lines of cleavage are a result of
A. the alignment of epidermal ridges.
B. wounds to the epidermis such as hemangiomas.
C. the orientation of collagen fibers in the dermis.
D. the alignment of dermal papillae.
Answer: C
You might also like to view...
As with humans, other primates need play time to help develop normally. This is because play __________.
A) creates a status-free social system B) is a necessary activity in adult primate life C) provides a way to learn social skills D) determines one’s place in the social hierarchy
During the preparatory phase for an underhand softball pitch, the hand holding the ball is drawn behind the body prior to the forward swing of the arm. When the hand is drawn behind the body, which of the following movements occurs at the shoulder?
A. flexion B. extension C. hyperextension D. circumduction
List the three muscle types
What will be an ideal response?
Exercise increases catecholamine release. Stimulation of ?-adrenergic receptors specifically leads to:
A. increased insulin secretion B. vasodilation of skeletal muscle arterioles C. vasoconstriction of splanchnic arterioles D. vasodilation of veins and lymphatics E. a positive inotropic effect on cardiac function