Nokea
A nurse is instructing the client on the normal sensations that can occur when contrast medium is infused during pulmonary angiography. Which client statement demonstrates an understanding of the teaching?
- A. I will feel a dull pain when the catheter is introduced.'
- B. I will feel light-headed when the contrast medium is introduced.'
- C. I will feel waves of nausea throughout the procedure.'
- D. I will feel warm and may have chest pain'
Correct Answer: D
Rationale: During a pulmonary angiography, a contrast medium is injected into the femoral circulation. When the medium is infused, the client will feel warm and flushed, with a possibility of chest pain. The client will feel pressure when the catheter is inserted. The client does not typically feel light-headed or nauseated during this procedure.
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The nurse is caring for a client whose respiratory status has declined since shift report. The client has tachypnea, is restless, and displays cyanosis. Which diagnostic test should the nurse perform first?
- A. Arterial blood gases
- B. Pulmonary function test
- C. Pulse oximetry
- D. Chest x-ray
Correct Answer: C
Rationale: Pulse oximetry is a noninvasive method to determine arterial oxygen saturation. Normal values are 95% and above. Using this diagnostic test first provides rapid information of the client's respiratory system. All other options vary in amount of time and patient participation in determining further information regarding the respiratory system.
What happens to the diaphragm during inspiration?
- A. It relaxes and raises.
- B. It contracts and flattens.
- C. It relaxes and flattens.
- D. It contracts and raises.
Correct Answer: B
Rationale: During inspiration, the diaphragm contracts and flattens, which expands the thoracic cage and increases the thoracic cavity.
A nurse is obtaining a health history from a client who reports hemoptysis for the past 2 months. The client reports occasional dyspnea. Which imaging study, ordered by the physician, will view the thoracic cavity while in motion?
- A. Fluoroscopy
- B. Chest x-ray
- C. Magnetic resonance imaging (MRI)
- D. Computed tomography (CT) scan
Correct Answer: A
Rationale: Fluoroscopy enables the physician to view the thoracic cavity with all of its contents in motion. A fluoroscopy more precisely diagnoses the location of a tumor or lesion. An x-ray shows the size, shape, and position of the lungs. An MRI and CT produce axial views of the lungs.
The nurse receives an order to obtain a sputum sample from a client with hemoptysis. When advising the client of the physician's order, the client states not being able to produce sputum. Which suggestion, offered by the nurse, is helpful in producing the sputum sample?
- A. Tickle the back of the throat to produce the gag reflex.
- B. Drink 8 oz of water to thin the secretions for expectoration.
- C. Use the secretions present in the oral cavity.
- D. Take deep breaths and cough forcefully.
Correct Answer: D
Rationale: Taking deep breaths moves air around the sputum and coughing forcefully moves the sputum up the respiratory tract. Once in the pharynx, the sputum can be expectorated into a specimen container. Producing a gag reflex elicits stomach contents and not respiratory sputum. Dilute and thinned secretions are not helpful in aiding expectoration. A sputum culture is not a component of oral secretions.
A nurse is caring for a client who has frequent upper respiratory infections. Which structure is most helpful in protecting against infection?
- A. Cilia
- B. Sinus cavity
- C. Tonsils
- D. Turbinates
Correct Answer: C
Rationale: Tonsils and adenoids do not contribute to respiration but protect against infection. Palatine tonsils are composed of lymphoid tissue. Cilia are fine hairs that move particles and liquid, preventing irritation and contamination of the airway. Sinuses are nasal cavity structures. Turbinates warm and add moisture to the inspired air.