In a head-on collision, expect the patient to be:
A. forced forward.
B. pushed sideways.
C. thrown quickly in several directions.
D. slammed backward.
A
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When monitoring a patient receiving oxygen through a nasal cannula, which one of the following observations warrants immediate intervention?
A) Oxygen flow rate of 15 liters per minute B) Prongs in the nostrils curving posteriorly into the nose C) Tubing positioned over the ears and under the chin D) Breathing normally with the nasal cannula in place
Which of the following statements regarding receptor sites of medications is TRUE?
A) An agonist is a drug that binds to receptor sites and prevents a normal response by the cell. B) An antagonist is a drug that binds to a receptor and causes a response. C) A protagonist is a drug that binds to a receptor and causes a response. D) The stronger the attraction of a drug to a receptor site, the greater the affinity.