Root completion of the maxillary second molar is:
A. 6-7 years
B. 9-10 years
C. 10-12 years
D. 14-16 years
Answer: D
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Rectus femoris produces:
a. Extension of the knee joint b. Extension of the hip joint c. Stabilization of the low back d. Flexion of the knee joint
Your patient is a 16-year-old centerfielder on his high school baseball team. He was injured when he and the left fielder collided trying to catch a fly ball. He is disoriented and is unable to tell you what happened. His vital signs are pulse 88, blood pressure 132/86, respiratory rate 16, and pupils equal. As you assess his head, you do not see any cuts or bleeding, but you feel a spongy,
depressed area over his left ear. You should suspect a(n): A) direct injury. B) skull injury. C) closed head injury. D) open head injury.
Drug legislation passed in the United States in 1906 to protect the public from adulterated or mislabeled drugs was the:
a. Harrison Narcotic Act. b. Federal Food, Drug, and Cosmetic Act. c. Pure Food and Drug Act. d. Comprehensive Drug Abuse Prevention and Control Act.
Nocardia, Actinomyces, and Streptomyces spp. microscopically appear as
A) gram-variable rods. B) long, thin, gram-positive rods. C) branching gram-positive rods. D) palisading, clubbed, gram-positive rods.