Which of the following is found in the palm of your hand?
A. Carpal
B. Metatarsal
C. Phalanx
D. Tarsal
E. Metacarpal
Answer: E
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Heliobacter pylori is a species of bacteria that causes stomach ulcers. It does this by burrowing into the mucosal lining of the stomach and degrading it to form a hole. By doing so, what type of innate defense is it overcoming?
A. Inflammation B. Mechanical barriers C. Chemical barriers D. Species resistance
Nervous tissue consists of two general types of cells: nerve cells and glial cells. Glial cells are mitotic, whereas neural cells are not (excluding the small population of stem cells). Which type of cell is most likely to be involved in brain cancer, and why?
What will be an ideal response?
If acetylcholine binds to its receptors in the heart, there would be ________ in heart rate.
A. no change B. an increase C. a decrease
During pregnancy, estrogen and progesterone from the placenta
A. inhibit release of corticotropin-releasing hormone and thereby prevent excessive stress responses. B. stimulate GnRH secretion and thereby inhibit overgrowth of the uterus. C. stimulate FSH and LH secretion and thereby stimulate ovarian follicle development. D. inhibit FSH and LH secretion and thereby arrest ovarian follicle development.