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Which intervention should the nurse use to keep the chest tubes from becoming occluded?
- A. Irrigate tubes as needed.
- B. Prevent the patient from lying on it.
- C. Loop the tube over the bed rail.
- D. Milk' the tube frequently.
Correct Answer: B
Rationale: To keep the tubes patent, the patient should not lie on the tubing. These tubes are not irrigated and should not be milked frequently.
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In which way does pursed lip breathing assist patients with asthma during an attack?
- A. It distracts the patient with breathing technique to reduce anxiety.
- B. It gets rid of CO2 faster.
- C. It decreases breathing efforts.
- D. It increases PACO2.
Correct Answer: C
Rationale: Pursed lip breathing decreases the effort of breathing.
Activities, such as walking, will have which benefit for the patient with emphysema?
- A. Repair dilated alveoli.
- B. Increase capacity to use oxygen.
- C. Lessen the oxygen needs.
- D. Lessen metabolic oxygen needs.
Correct Answer: B
Rationale: Aerobic exercises such as walking will increase the body's ability to use oxygen through sustained rhythmic contractions of large muscles.
How will the kidneys respond in respiratory acidosis?
- A. Retain bicarbonate to increase the pH.
- B. Excrete more urine to reduce potassium.
- C. Concentrate the urine to conserve circulating fluid in the bloodstream.
- D. Lower the pH by excretion of bicarbonate.
Correct Answer: A
Rationale: In respiratory acidosis, the pH is low. The kidneys will retain bicarbonate to increase the pH.
Which feature is a major advantage of video-assisted thoracoscopic surgery (VATS)?
- A. The surgeon can record entire surgical procedure on a video.
- B. The surgeon can remove tumors of the lung through a small keyhole incision.
- C. The surgeon can x-ray and excise tumor in the same procedure.
- D. The surgeon can avoid the use of a closed chest drainage system after surgery.
Correct Answer: B
Rationale: The video-assisted thoracoscopic surgery allows surgeons to remove tumors through a small keyhole incision. Although the incisions are small, a closed chest drainage system will still be necessary after the surgery.
When assessing the SaO2 with a pulse oximeter, the nurse will place the oximeter on a finger with which consideration?
- A. on the same side as the blood pressure cuff.
- B. while exercising the arm to stimulate circulation.
- C. that is a normal temperature.
- D. on the same side as an arterial catheter.
Correct Answer: C
Rationale: The pulse oximeter should be placed on a finger of the hand that is normal temperature because hypothermia will affect the reading. The device should not be put on a finger on the same side as a blood pressure cuff or arterial line.