Infants have a substance in their lungs, surfactant. What is role of surfactant in the respiratory system?

A) Expands the lungs with breaths
B) Keeps alveoli from collapsing with breaths
C) Removes fluid from the lungs
D) Allows oxygen to move in the lungs


Ans: B

Nursing

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According to the American Association of Critical Care Nurses, there are five factors that a nurse should assess when making a decision to delegate nursing tasks

These factors are assessing the potential for harm, the complexity of the task, the amount of problem solving and innovation re-quired, the unpredictability of the outcome, and the: a. amount of time that the task will take. b. degree of comfort the delegatee has with the task. c. level of patient interaction. d. method of measuring outcomes.

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In the Leavell and Clark model of health protection, the chief distinction between the levels of prevention is:

1) The point in the disease process at which they occur. 2) Placement on the Wheels of Wellness. 3) The level of activity required to achieve them. 4) Placement in the Model of Change.

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When sphericity has been violated in an RM-ANOVA, which of the following can be used as a correction factor in the analysis?

a. Lambda multiplied by degrees of freedom b. Lambda multiplied by the value of F c. Epsilon multiplied by degrees of freedom d. Epsilon multiplied by the statistical criterion (?)

Nursing

It is strongly recommended that the mask be thrown away and changed to a new mask if it becomes soiled or wet, or if you sneeze in it

Indicate whether the statement is true or false.

Nursing