The figure illustrates keratinization in the epidermis. What layer of the epidermis is "D"?
A. stratum granulosum
B. stratum corneum
C. stratum lucidum
D. stratum spinosum
E. stratum basale
D
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Which of the following statements is true of connective tissue?
A) Elastin fibers are sometimes called white fibers. B) When connective tissue is stretched, collagen gives it the ability to snap back. C) Collagen fibers provide high tensile strength. D) Reticular fibers form thick, ropelike structures.
Which of the following is NOT a complication of a major burn?
A. Venous thrombosis B. Decreased heart pumping ability C. Shock D. Local edema E. Increased immunity
A blow to the shoulder often breaks the clavicle, but very seldom breaks the scapula. Suggest why
A. The scapula is larger than the clavicle. B. The clavicle provides the only bony attachment of the pectoral girdle to the body. C. The scapula is more protected by muscle. D. When the body is moving forward, the clavicle is more likely to be struck than the scapula. E. All of these are valid explanations.
How many half-moon shaped, pocketlike cusps are found in each semilunar valve?
A. 1 B. 2 C. 3 D. 4 E. 6