When calcium levels rise, the ____ secrete(s)
____, which ____ osteoclast activity.
a. parathyroids; calcitonin; suppresses
b. thyroid; calcitonin; suppresses
c. thyroid; calcitonin; enhances
d. thyroid; PTH; suppresses
e. parathyroids; PTH; enhances
B
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Gardasil is marketed as a cervical cancer vaccine, but it is actually a human papilloma virus (HPV) vaccine. Why is this done?
A. The virus multiplies more rapidly in cancerous cells. B. Cancer cells are particularly susceptible to viral infection. C. Genital warts is a sign of cancer. D. HPV in the cervical epithelial cells may cause the cells to become cancerous. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about the link between viruses and cancer? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which substance is most likely an enzyme?
A) proline B) stearic acid C) endopeptidase D) acetylcholine
Which of the following is responsible for nearly 100,000 human deaths worldwide every year?
A) Entamoeba histolytica B) Amoeba proteus C) plasmodial slime molds D) Dictyostelium discoideum
Capillaries come together to form
a. arteries b. tissue c. vein d. lympathic system