Which of the following is not an effect of ultraviolet radiation?
A) increased activity by melanocytes
B) production of cholecalciferol within epidermal cells
C) wrinkles
D) chromosomal damage in basal cells or melanocytes
E) hair growth
Answer: E
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An eye that focuses an image behind the retina is ________
A) nearsighted B) myopic C) hyperopic D) None of the listed responses is correct.
The determinant of whether heart valves are open or closed is the pressure difference across them
Indicate whether the statement is true or false.
How is the vital capacity calculated?
A) Inspiratory reserve volume + tidal volume B) Inspiratory reserve volume + expiratory volume C) Expiratory reserve volume + tidal volume + inspiratory reserve volume D) Respiratory volume + tidal volume E) Expiratory reserve volume + tidal volume
Developmentally, the most significant growth in the skull occurs
A. between the ages of 20 and 25. B. between the ages of 5 and 10. C. before age 5. D. between the ages of 15 and 20. E. between the ages of 10 and 15.