The nurse clarifies that the condition in which there is a decreased amount of oxygen in the blood is:

hypercapnia

hypoxemia

dyspnea

Hypoxia

Answer and Explanation

The Correct Answer is B

A) Hypercapnia. Hypercapnia refers to an excessive amount of carbon dioxide in the bloodstream, typically due to hypoventilation.
B) Hypoxemia. Hypoxemia is a condition characterized by low oxygen levels in the blood, specifically the arterial blood.
C) Dyspnea. Dyspnea refers to a subjective sensation of difficulty or uncomfortable breathing.
D) Hypoxia. Hypoxia refers to a deficiency of oxygen in the tissues, not specifically in the blood.

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Correct Answer is B

Explanation

A. More than 250 mL of air moves in and out of the lungs with each breath: This describes tidal volume but does not directly stimulate the cough mechanism.
B. Foreign substances are propelled by the cilia toward the respiratory tract: Irritation by foreign particles stimulates the cough reflex to clear the airways.
C. Dehumidified air enters the upper airway passages: Dry air can cause airway irritation but does not consistently trigger a cough reflex.
D. The blood transports carbon dioxide to the lungs: This describes gas exchange, which does not directly relate to triggering the cough mechanism.

A. directly over the umbilicus B. directly over the sternum C. between the umbilicus and the symphysis pubis D. halfway between the xiphoid process and the umbilicus

Correct Answer is D

Explanation

A. Directly over the umbilicus: This position is too low and would not generate effective pressure on the diaphragm.
B. Directly over the sternum: Applying pressure here risks injury to the chest cavity without effectively relieving airway obstruction.
C. Between the umbilicus and the symphysis pubis: This position is too low and ineffective for compressing the diaphragm.
D. Halfway between the xiphoid process and the umbilicus: This is the correct hand placement for the Heimlich maneuver to produce effective inward and upward pressure, dislodging the obstruction.

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The nurse clarifies that the condition in which there is a decreased amount of oxygen in the blood is:

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Naxlex Comprehensive Predictor Exams

The nurse clarifies that the cough mechanism is stimulated when:

Correct Answer is B

Explanation

The nurse monitoring patients eating in the dining room of a skilled nursing facility notes that a patient begins choking. As the nurse prepares to deliver the Heimlich maneuver, the fist should be positioned:

Correct Answer is D

Explanation

The nurse assists the patient with emphysema into the most beneficial position to facilitate respiration, which is:

A nurse is reinforcing teaching with a newly licensed nurse about the manifestations of hypoxia. Which of the following findings should the nurse include in the teaching?

A patient requires a precise concentration of 40% oxygen. Which of the following devices would best allow for this?

The nurse clarifies that the condition in which there is a decreased amount of oxygen in the blood is:

A nurse in a long-term care facility sees a client who is choking. Which of the following data should the nurse identify as requiring an abdominal thrust?

The nurse caring for a patient with a disposable chest drainage system can promote effective tube function and patient safety by:

Older adults are more prone to respiratory problems because aging causes which change?

A patient who will begin oxygen therapy has a history of sinus disorders. This patient would benefit most from which oxygen setup?