Which of the following best describes the insertion of the extensor digitorum?
A) It directly inserts on the index finger only.
B) It directly inserts on all digits of the hand.
C) It indirectly inserts on all digits of the hand except the thumb.
D) It indirectly inserts on all digits of the hand.
E) It directly inserts on all digits of the hand except the thumb.
C
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The types of contrast used for abdominal/pelvic CT are barium and ionic and nonionic iodinated.
Answer the following statement true (T) or false (F)
Which of the following factors of the internal environment is not homeostatically maintained?
a. its concentration of nutrient molecules. b. its concentration of nitrogen gas, of which 80% of the atmospheric air is composed. c. its concentration of oxygen and carbon dioxide. d. its pH. e. its temperature.
Placing a red blood cell in an extremely hypertonic solution leads to hemolysis.
Answer the following statement true (T) or false (F)
The motor neurons responsible for making a fist are
A. tripolar. B. bipolar. C. multipolar. D. pseudo-unipolar. E. None of these choices are correct.