Decreased surfactant production in the preterm lung is a problem because surfactant:

a. causes increased permeability of the alveoli.
b. provides transportation for oxygen to enter the blood supply.
c. keeps the alveoli open during expiration.
d. dilates the bronchioles, decreasing airway resistance.


C
Surfactant prevents the alveoli from collapsing each time the infant exhales, thus reducing the work of breathing.

Nursing

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Since chemical dependency is a family disease, it is important to help non-abusing family members change over-responsible behaviors such as:

1. Expressing their feelings directly. 2. Rejecting the client until the client is chemically clean. 3. Distancing themselves from the client's problem. 4. Covering up for problems the client has.

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A patient that is of the American Indian culture is waiting to be seen in a non-Indian Health Service facility. What concern might this patient have about receiving health care through this route?

A. Conflict between his or her perception of the illness and what the physician diagnoses B. Easier to receive medical care through emergency departments rather than private physicians C. Receive better health care from mainstream medical services D. Concern that medical insurance won't cover all the medical costs

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Which of the following occurs during sleep?

A. Brain activity increases. B. The body renews itself and repairs tissues. C. The heart rate increases. D. The respiratory rate increases.

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What is the process of combining bilirubin with other substances to promote excretion?

A. Digestion B. Excretion C. Conjugation D. Necrosis

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