Extract:

Question 1 of 5

Ergotamine tartrate (Gynergen) is prescribed for a client's migraine headaches. The client's report of which of the following indicates effectiveness?

Correct Answer: B

Rationale: Ergotamine reduces the severity of developing migraines by constricting cranial blood vessels. It is not primarily preventive or used for post-migraine sleeplessness or vision issues.

Question 2 of 5

For a client who excretes excessive amounts of calcium during the postoperative period after open heart surgery, which of the following measures should the nurse institute to help prevent complications associated with excessive calcium excretion?

A. Ensure a liberal fluid intake. B. Provide an alkaline-ash diet. C. Prevent constipation. D. Enrich the client's diet with dairy products.

Correct Answer: A

Rationale: Liberal fluid intake promotes calcium excretion through urine, preventing complications like kidney stones or hypercalcemia.

Question 3 of 5

A daughter is concerned that her mother is in denial when discussing her diagnosis of breast cancer because she sometimes says that breast cancer isn't that serious and changes the subject. The nurse informs the daughter that denial can be a healthy defense mechanism if it is used:

A. To permit her mother to seek unconventional treatments. B. When making decisions about her care. C. Alone and not in combination with other defense mechanisms. D. To allow her mother to continue in her role as a mother.

Correct Answer: D

Rationale: Denial can be healthy if it allows the client to maintain normal roles (e.g., as a mother) while gradually processing the diagnosis, as long as it doesn't interfere with treatment.

Question 4 of 5

The client with Addison's disease is taking glucocorticoids. Which of the following statements indicates that the client understands how to take the medication?

A. Various circumstances increase the need for glucocorticoids, so I will need to adjust the dosage.' B. My need for glucocorticoids will stabilize and I will be able to take a predetermined dose once a day.' C. Glucocorticoids are cumulative, so I will take a dose every third day.' D. I must take a dose every 6 hours to ensure consistent blood levels of glucocorticoids.'

Correct Answer: A

Rationale: Glucocorticoid needs vary with stress, requiring dose adjustments in Addison's disease to prevent adrenal crisis.

Question 5 of 5

A client has the following arterial blood gas values: pH, 7.52; PaO2, 50 mm Hg; PaCO2, 28 mm Hg; HCO3ˆ’, 24 mEq/L. Based upon the client's PaO2, which of the following conclusions would be accurate?

A. The client is severely hypoxic. B. The client is low but poses no risk for the client. C. The client's PaO2 level is within normal range. D. The client requires oxygen therapy with very low oxygen concentrations.

Correct Answer: A

Rationale: A PaO2 of 50 mm Hg indicates severe hypoxia (normal is 75–100 mm Hg), requiring urgent oxygen therapy. It poses significant risk and is not normal or manageable with low concentrations.