The nurse clarifies that the cough mechanism is stimulated when:

more than 250 mL of air moves in and out of the lungs with each breath

foreign substances are propelled by the cilia toward the respiratory tract

dehumidified air enters the upper airway passages

the blood transports carbon dioxide to the lungs

Answer and Explanation

The Correct Answer is B

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.

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Correct Answer is C

Explanation

A. Be monitored for respiratory rate: Important for ongoing assessment but not directly related to the deflation process.
B. Have the cuff pressure checked: Necessary during care but not immediately before deflation.
C. Have the pharynx suctioned: Suctioning clears secretions that could be aspirated when the cuff is deflated.
D. Be administered extra oxygen: Beneficial but not a direct prerequisite for cuff deflation.

A. Assist the guest to the floor and begin mouth-to-mouth resuscitation. B. Slap the guest on the back several times. C. Perform the Heimlich maneuver on the guest. D. Observe the guest before taking further action.

Correct Answer is C

Explanation

A. Assist the guest to the floor and begin mouth-to-mouth resuscitation: The airway is still obstructed, and rescue breathing is not effective until the obstruction is cleared.
B. Slap the guest on the back several times: Back slaps are not recommended for adults with complete airway obstruction as they may worsen the blockage.
C. Perform the Heimlich maneuver on the guest: Grasping the throat and inability to talk indicate a complete airway obstruction, requiring immediate abdominal thrusts (Heimlich maneuver) to clear the airway.
D. Observe the guest before taking further action: Delaying intervention in the presence of complete obstruction can lead to respiratory arrest. Immediate action is required.

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The nurse clarifies that the cough mechanism is stimulated when:

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Naxlex Comprehensive Predictor Exams

The nurse recognizes that, immediately before a tracheostomy cuff deflation, the patient should:

Correct Answer is C

Explanation

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Correct Answer is C

Explanation

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