Nokea
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.
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The nurse explains that the opening between the vocal cords is the ___.
Correct Answer: glottis
Rationale: The glottis is the opening between the vocal cords.
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.
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.
The nurse prepares a patient for the procedure of a(n) ___ which will remove the fluid from around the lung to improve respiration and obtain a specimen.
- B. #ERROR!
Correct Answer: thoracentesis
Rationale: Often a thoracentesis will be done not only to obtain a specimen for culture to identify the causative agent, but also to relieve the dyspnea and discomfort.
Which event happens when there is a decrease in the oxygen level in the blood?
- A. Pituitary stimulates the respiratory system to increase respiratory rate.
- B. The alveoli diffuse more oxygen into the blood.
- C. Chemoreceptors in the carotid body and aortic body stimulate the respiratory centers to modify respiratory rates.
- D. The parietal pleura increases the negative pressure.
Correct Answer: C
Rationale: The chemoreceptors in the carotid bodies and the aortic bodies send a message to the respiratory centers to modify respirations.