What holds the tooth in its socket in the jaw?
A. Enamel
B. Root
C. Gingiva
D. Periodontal ligaments
Answer: D
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Hyperventilation causes the loss of large amounts of carbon dioxide from the body, decreasing the amount of hydrogen ions in solution. As a result,
A. the pH of body fluids will rise. B. the pH of body fluids will fall. C. the pH of body fluids will become neutral. D. the pH of body fluids will not be affected. E. None of these choices is correct.
Days 6-14 of the uterine (menstrual) cycle are known as the ________ phase. This phase concludes with ovulation
A) secretory B) luteal C) proliferative D) menstrual
Neural stem cells in the CNS
A. can only form glial cells. B. can form new neurons throughout the CNS. C. have no known function. D. can form new neurons in only certain portions of the CNS such as the hippocampus. E. can migrate to the PNS as needed.
Which of the following hormones is detected by over-the-counter pregnancy kits?
A. progesterone B. estrogen C. prolactin D. human chorionic gonadotropin E. oxytocin