The face begins to form during which week of prenatal development?
a. Second
b. Fourth
c. Sixth
d. Twelfth
b
RATIONALE: The face begins to form during the fourth week of prenatal development.
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Which type of piping serve individual fire hydrants and commercial and residential consumers?
A. Distributors B. Control valves C. Primary feeders D. Secondary feeders
What is typically required of professional organizations?
A. there are no requirements B. good attendance C. continuing education sessions D. membership in more than one organization
Newborn bradycardia exists when the heart rate falls below ______ beats/min and is almost always secondary to ____________.
A. 120, intracranial pressure. B. 60, metabolic acidosis. C. 100, systemic hypoxia. D. 80, irregular respirations.
Which of the following agents is used to supress aggregation of platelets?
a. heparin b. aspirin c. warfarin d. protamine sulfate