Which of the following is an extensor of the neck?
A. Omohyoid
B. Posterior scalene
C. Occipital belly of the occipitofrontalis
D. Semispinalis capitis
E. Sternocleidomastoid
Answer: D
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What effect would a decrease in the Na+ concentration of filtrate have on the pH of tubular fluid?
A) pH would increase because more hydrogen ions could be secreted by countertransport. B) pH would decrease because more hydrogen ions could be secreted by countertransport. C) pH would increase because fewer hydrogen ions could be secreted by countertransport. D) pH would decrease because fewer hydrogen ions could be secreted by countertransport. E) pH would not be affected because hydrogen ions are countertransported with K+ not Na+.
If the pH of a person's blood was equal to the pH of black coffee, for which medical condition would they need to be treated?
A) Halitosis B) Keratosis C) Alkalosis D) Acidosis
The atlantoaxial joint is an example of a ________ joint
A) ball and socket B) pivot C) gliding D) condyloid E) saddle
When a cyclist rounds a curve, where does centripetal force act?
A. on the cyclist's center of gravity B. on the cycle's center of gravity C. on the tires of the cycle D. on the ground