The nurse explains that the substance that decreases the surface tension of the alveolar walls is:
a. plasma.
b. surfactant.
c. cilia.
d. mucus.
B
Surfactant is the substance that reduces the surface tension of the walls of the alveoli, making gas exchange more effective.
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A nurse assesses a client with polycystic kidney disease (PKD). Which assessment finding should alert the nurse to immediately contact the health care provider?
a. Flank pain b. Periorbital edema c. Bloody and cloudy urine d. Enlarged abdomen
The perinatal nurse is caring for a woman at 26 weeks' gestation who has a history of hypertension that has been well controlled. Today she presents with a blood pressure of 156/102 mm Hg and she has 2+ protein on urine dipstick
Which initial action by the nurse is most appropriate? A. Arrange admission to the high-risk OB unit. B. Instruct the woman on strict bedrest. C. Obtain a clean-catch urine sample. D. Prepare to administer IV anti-hypertensives.
A 15-year-old girl tells the school nurse that she has not started to menstruate yet. Onset of secondary sexual characteristics was about 2 1/2 years ago. The nurse should take which action?
a. Explain that this is not unusual. b. Refer the adolescent for an evaluation. c. Make an assumption that the adolescent is pregnant. d. Suggest that the adolescent stop exercising until menarche occurs.
What is the safeguard mechanisms by which even the researcher cannot link the participant with the information provided?
A) Confidentiality B) Anonymity C) Informed consent D) Right to privacy