Which of the following is NOT a major opening into the right atrium?
A. Coronary sinus
B. Inferior vena cava
C. Pulmonary vein
D. Superior vena cava
Answer: C
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The vitamin that is essential for liver synthesis of prothrombin and other clotting factors is
A) vitamin A. B) vitamin B. C) vitamin E. D) vitamin C. E) vitamin K.
Which of the following statements best describes angular movements?
A) They change (increase or decrease) the angle between two bones. B) They occur only between bones with flat articular processes. C) They turn a bone along its own long axis. D) They allow movement only in one plane.
Eicosanoids typically act locally as paracrines, but some travel in the blood, similar to hormones, to distant target cells to produce systemic responses
a. True b. False Indicate whether the statement is true or false
________ are short, hair-like projections found on the outer surface of specific cells
A) Vesicles B) Flagella C) Cilia D) Capsids