Kassie is allergic to bee stings. During a play date at the park, she gets stung and goes into anaphylactic shock while she's playing with her friends. Which of the following occurs during anaphylaxis?
A. High blood pressure
B. Heart failure
C. Widespread vasoconstriction
D. Turning off of mast cells and basophils
Answer: B
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The ___________ subdivides the pelvis into the "true pelvis" and the "false pelvis"
A. sacral promontory B. pelvic brim C. pelvic inlet D. pelvic outlet E. pubic symphysis
Vitamin _____ is crucial for the absorption of calcium from the gastrointestinal tract. Therefore, a deficiency in this vitamin may result in rickets and other bone abnormalities
Fill in the blank with correct word.
Which of the following is (are) true of the growth of the skeleton?
A) All bone formation ceases immediately after the end of adolescence. B) Calcification of bones does not occur until an infant begins to learn to walk. C) It begins to ossify at six weeks of gestational age. D) All of the answers are correct. E) None of the answers are correct.
Which of the following can play a role in buffering the pH of urine?
A. Phosphate ions B. Ammonia C. Bicarbonate ions D. All of the choices are correct.