A patient's heart rate increased from 94 to 164 beats/min. What will the nurse expect as a result?

Decrease in hemoglobin level

Increase in diastolic filling time

Increase in stroke volume

Decrease in cardiac output

Answer and Explanation

The Correct Answer is D

A. An increase in heart rate does not directly affect hemoglobin levels; this option is incorrect.
B. A higher heart rate decreases diastolic filling time, as there is less time for the heart to fill between beats, which can lead to reduced stroke volume.
C. An increased heart rate does not inherently increase stroke volume; in fact, at very high rates, stroke volume can decrease due to reduced filling time.
D. The significant increase in heart rate to 164 beats/min can lead to decreased cardiac output due to compromised diastolic filling and reduced stroke volume.

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Correct Answer is A,C,D,E

Explanation

A. Communication signs for airborne precautions are necessary to inform staff and visitors about the required precautions for TB, which is spread via airborne transmission.

B. A surgical mask is not adequate for TB; instead, an N95 respirator is required to filter out the airborne particles effectively.

C. The N95 respirator, gown, gloves, and eyewear are essential personal protective equipment for caring for a patient with tuberculosis. The N95 respirator specifically protects against inhaling infectious particles.

D. Negative-pressure airflow in the room is critical for tuberculosis patients to prevent airborne contaminants from spreading to other areas of the facility.

E. A private room is required to isolate the patient and reduce the risk of transmission to other patients and staff.

F. A communication sign for droplet precautions is not applicable as tuberculosis is primarily transmitted via airborne routes, not droplet transmission.

A. "Atelectasis affects only those with chronic conditions such as emphysema." B. "Hyperventilation will open up my alveoli, preventing atelectasis." C. "It is important to do breathing exercises every hour to prevent atelectasis." D. "If I develop atelectasis, I will need a chest tube to drain excess fluid."

Correct Answer is C

Explanation

A. Atelectasis can occur in anyone, not just those with chronic conditions; this statement is incorrect.
B. While hyperventilation may temporarily open alveoli, it is not a preventative measure for atelectasis.
C. Breathing exercises, such as incentive spirometry or deep breathing, are effective in preventing atelectasis by promoting lung expansion and alveolar ventilation.
D. A chest tube is typically used to remove air or fluid from the pleural space, not for the treatment of atelectasis, which is often managed with respiratory therapies.

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A patient's heart rate increased from 94 to 164 beats/min. What will the nurse expect as a result?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse has received a report from the emergency department that a patient with tuberculosis will be coming to the unit. Which items will the nurse need to care for this patient? (Select all that apply.)

Correct Answer is A,C,D,E

Explanation

A nurse teaches a patient about atelectasis. Which statement by the patient indicates an understanding of atelectasis?

Correct Answer is C

Explanation

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A patient's heart rate increased from 94 to 164 beats/min. What will the nurse expect as a result?

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