Osteoclast activity is increased by
A. vitamin C.
B. parathyroid hormone.
C. calcitonin.
D. vitamin D.
E. growth hormone.
B
You might also like to view...
Doubling the frequency of breathing will cause a greater increase in alveolar ventilation than will doubling the depth of inspiration.
Answer the following statement true (T) or false (F)
Answer the following statements true (T) or false (F)
1. After ovulation, the egg discharged by the ovary first enters the fimbriae of he oviduct. 2. The placenta is composed of tissue from both the mother and child. 3. Because all structures develop from them, the morula and blastocyst are called the primary germ layers.
Thoracic wall and lungs remain in close apposition because of
a. the intrapleural fluid's cohesiveness. b. the intraaveolar pressure. c. the atmospheric pressure. d. the transmural pressure gradient. e. the combination of intrapleural fluid cohesiveness and the transmural pressure gradient.
The clinical age of the unborn child is calculated from ________.
A. ovulation B. fourteen days before the last menstrual period C. conception D. fourteen days after the last menstrual period E. the last menstrual period (LMP)