A female patient’s chest radiograph shows bilateral lower lobe atelectasis. She is alert and oriented. Arterial blood gas analysis reveals mild hypoxemia and respiratory alkalemia; her vital signs are within normal limits. Which of the following is most appropriate at this time?

Which of the following is appropriate to provide humidity to a patient with cold air reactive airways?

Which is the correct sequence of events when one is obtaining arterial blood from the radial artery of a patient?I. Perform the modified Allen’s test.II. Remove any air bubbles from the sample.III. Apply direct pressure to the puncture site.IV. Clean the puncture site with a suitable antiseptic solution.V. Use a 23-gauge needle and a plastic syringe containing an anticoagulant.

The type of station outlet connection that uses noninterchangeable thread fittings to connect gas-powered devices to station outlets is known as:

Indications for incentive spirometry include:

Which of the following statements is true concerning the use of dry-powder inhalers?

What type of instrument could be used to analyze pH, PO2, PCO2, and various electrolytes at the patient’s bedside?

Which of the following procedures should be followed in setting up a compressed gas cylinder at a patient’s bedside?1. Inspect the cylinder and valve for dirt, debris, and oil.2. Make sure the cylinder is properly secured.3. Tighten the regulator with a pipe wrench.4. Open the cylinder valve completely.

In a partial pressure of oxygen (PCO2) electrode, carbon dioxide does which of the following?1. It reacts with potassium chloride.2. It reacts with water to form carbonic acid.3. It diffuses through a polyethylene membrane.4. It diffuses through a semipermeable Teflon membrane.

In high concentrations, which of the following gases is a potent anesthetic?