A pulse oximeter on a patient with a tracheostomy shows 89% saturation. The patient has a heated humidifier with a 40% air-entrainment tracheostomy collar. A rapid assessment shows no secretion production and equal breath sounds. Which of the following is the most appropriate first step?

You are administering an aerosolized bronchodilator to your patient. Her pretreatment pulse was 90 beats/min. You would stop the treatment if her pulse reached:

Which drug stimulates skeletal muscle and the central nervous system (CNS) most strongly?

In 2008, all metered dose inhalers (MDIs) were required to be powered by:

Epinephrine stimulates both a and b receptors found in the vasculature.

Use of oral steroids for long periods can cause:

Which of the following agents is a parasympatholytic used in cardiac resuscitation for bradycardia to  increase heart rate?

Diuretics that produce their effect by inhibiting the reabsorption of chloride and sodium in the ascending limb of the loop of Henle are known as:

Which of the following electrolyte imbalances would force Na+ to exchange for H+ producing metabolic alkalosis?1. Hypochloremia2. Hyperchloremia3. Hypokalemia4. Hyperkalemia5. HCO3-

Agents that block reabsorption of sodium in the distal tubule are: