The nurse explains that the function of aldosterone is to:
a. conserve water.
b. excrete sodium.
c. constrict blood vessels.
d. excrete phosphorus.
A
Aldosterone is classified as a mineralocorticoid. It promotes conservation of water by acting on the kidneys to retain sodium in exchange for potassium, which is excreted in the urine.
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In which of the following patients is the emergency department staff most likely to suspect an abdominal aortic aneurysm?
A) A 60-year-old client with diminished oxygen saturation, low red blood cell levels, and pallor B) A 70-year-old woman with jugular venous distention, shortness of breath, and pulmonary edema C) A 66-year-old client with facial edema, cough, and neck vein distention D) An 81-year-old man with acute cognitive changes as well as difficulty in speaking and swallowing
A sexually active high school student is asking about contraceptive devices. The nurse knows that the student understands the information when she states which of the following? Select all that apply
a. "Condoms are a foolproof method of preventing STIs and HIV/AIDS." b. "Oral sex does not put me at risk for STIs, so condoms are not needed." c. "STIs are major health consequences associated with sexual activity, and especially with unprotected sexual activity." d. "Consistent and effective use of condoms can help prevent pregnancy."
After teaching the parents of a newborn boy with periventricular hemorrhage about the disorder and treatment, which statement by the parents indicates that the teaching was successful?
A) "We'll make sure to cover both of his eyes to protect them." B) "Our newborn could develop a learning disability later on." C) "Once the bleeding ceases, there won't be any more worries." D) "We need to get family members to donate blood for transfusion."
The identification of parental age as a potential risk factor in autism raises the issue that lifetime exposure to environmental toxins might damage the sperm and the ovum. Using your knowledge of research findings, what is true about the risk of autism?
A) Increased by 30% if the father is older than 40 years B) Increased by 30 % if the mother was older than 35 years C) Increased by 40% if the father is older than 35 years D) Increased by 40 % if the mother is older than 40 years