A cleft palate results from incomplete development of the ________.
A. maxillae
B. vomer bone
C. mandible
D. palatine bones
E. frontal bone
Answer: A
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Kidney stones are least likely to be composed of
A. nucleic acid byproducts. B. cholesterol. C. calcium oxalate. D. magnesium phosphate.
Glial cells transmit impulses
Indicate whether this statement is true or false.
Answer the following statements true (T) or false (F)
1. The stratum corneum is the layer in the epidermis undergoing constant mitosis. 2. Melanocytes produce the brown pigment melanin. 3. Exposure to sunlight can increase the production of melanin. 4. If the volume of blood to skin increases, the skin will turn pink, a condition called cyanosis. 5. Damage to the dermal-epidermal junction can result in the formation of a blister.
Which of the following explains why tattoos are permanent?
A) Tattoo ink is deposited into the epidermis. These skin cells shed over time. B) Tattoo ink is deposited into the hypodermis. Unlike the epidermis, cells in this region do not shed over time. C) Tattoo ink is deposited into the epidermis. Unlike the dermis, cells in this region do not shed over time. D) Tattoo ink is deposited into the dermis. Unlike the epidermis, cells in this region do not shed over time.