What bone in the neck does not articulate with any other bone?
a. Hyoid
b. Mandible
c. Stapes
d. Clavicle
Ans: a. Hyoid
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Which of the following illustrates a positive feedback mechanism?
A) Body temperature control B) Control of blood sugar C) Maintaining blood pressure D) Uterine contractions during childbirth
Most carbon dioxide is transported through the blood as bicarbonate dissolved in plasma.
Answer the following statement true (T) or false (F)
TSH plays a key role in ________ of thyroid hormones
A) only the inhibition B) only the production C) only the release D) both inhibition and production E) both production and release
Max works out about an hour every day using aerobic machines at a gym. During his moderate physical exercise, blood concentrations of
A. oxygen and carbon dioxide increase. B. oxygen increase and carbon dioxide decrease. C. oxygen and carbon dioxide remain nearly unchanged. D. oxygen decrease and carbon dioxide increase.