What is the mechanism of reduced gas exchange in a client who has atelectasis?
A. Airway obstruction
B. Reduced alveolar surface area
C. Failure of pulmonary circulation to fully perfuse lung tissue
D. Increased bronchial secretions filling the alveoli with fluid rather than with air
B
With atelectasis, some alveoli are collapsed. When alveoli collapse, the surface area is unavailable for gas exchange.
You might also like to view...
An adult patient arrives at the emergency room after an overdose of cholinergic drugs. The nurse anticipates administering which dose of atropine intravenously?
1. 0.1 mg 2. 0.15 mg 3. 0.2 mg 4. 0.5 mg
Which screening is appropriate for the school nurse to perform on all adolescent students?
1. Respiratory rate 2. Hepatitis B profile 3. Chest x-ray 4. Scoliosis
The fact that adipose tissue receives a relatively poor blood supply indicates that adipose tissue:
A. metabolizes large amounts of drug. B. does not accumulate large amounts of drug. C. does not accumulate lipid-soluble drugs. D. accumulates large amounts of drug.
The nurse suggests that a patient help manage the stressors that are triggering generalized anxiety by implementing compartmentalization. Which activity provides proof that the patient is employing this healthy defense mechanism?
a. Attends a meditation class 3 times a week right after work b. Uses chocolate as a reward when keeping stress under control c. Counts to 10 before responding to a coworker who is a source of stress d. Shares with the office manager the situations that regularly cause increased stress