The capacity of a body to eliminate a drug is referred to as
a. drug clearance.
b. half-life.
c. steady-state.
d. tubular reabsorption.
a. Total body clearance is a more accurate measure of the efficiency with which a drug is eliminated by the body than the half-life (t½).
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A 56-year-old female is conscious and alert and complaining of diarrhea and nausea. The patient describes a two-day history of her symptoms and states that the pain is "all over her abdomen." All four quadrants are tender to palpation. She also describes hematochezia. PMH includes CAD, and she recently began taking 325 mg of ASA once a day. Of the following, which is the most likely cause of her clinical condition?
A) Diverticulitis B) Peptic ulcer C) Acute pancreatitis D) Acute gastroenteritis
Nicotinic receptors are found on all of the following, EXCEPT:
A) cholinergic and adrenergic preganglionic neurons. B) cholinergic and adrenergic postganglionic neurons. C) spinal cord neurons. D) skeletal muscle.
You are delivering positive pressure ventilations to a patient who is breathing poorly and has absent breath sounds in the right lung. Which of these instructions would you provide to those responders who are ventilating the patient?
A) "Make sure to really get those ventilations into his good lung. He needs the oxygen." B) "Use the minimal tidal volume possible, just enough to make the chest rise and fall." C) "If his SpO2 is 85% or greater, let's stop the ventilations and put him on high-concentration oxygen with a face mask." D) "Let's use just room air for the ventilations. We don't want to cause a tension pneumothorax by giving pure oxygen."
Which of the following is the leading cause of death in the United States?
a. Cancer b. Diabetes complications c. Cardiovascular disease d. Respiratory disease