The nurse prepares to administer promethazine 35 mg intramuscularly prescribed as needed for a client with cholecystitis who has severe nausea. The ampule label reads that the medication is available in 25 mg/mL. How many milliliters should the nurse administer?

Record your answer using one decimal place.

1.4

1.5

0.7

Answer and Explanation

The Correct Answer is B

Choice A rationale: this corresponds with 25 mg which is lower than the prescribed amount.

Choice B rationale: To answer this question, we need to use the formula: volume (mL) = dose (mg) / concentration (mg/mL). We plug in the given values: volume (mL) = 35 mg / 25 mg/mL. We simplify the fraction: volume (mL) = 7/5. We convert the fraction to a

decimal: volume (mL) = 1.4. Therefore, the nurse should administer 1.4 mL of promethazine.

Choice C rationale: this corresponds with 37.5 mg which is too high.

Choice D rationale: this corresponds with 17.5 mg which is too low.

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Correct Answer is B

Explanation

Choice A rationale: The 42-yr-old patient with secondary amenorrhea may have menopause, pregnancy, or a hormonal disorder. This is less urgent compared to the 19- year old patient.

Choice B rationale: This patient may have toxic shock syndrome, which is a life- threatening complication of tampon use that can cause organ failure and shock. The nurse should assess the patient's vital signs, remove the tampon, and initiate fluid resuscitation and antibiotic therapy.

Choice C rationale: This patient may have an infection or a complication of the balloon thermotherapy, which is a procedure to destroy the endometrial lining of the uterus and is not an emergency compared to the 19 year old.

Choice D rationale: This patient may have a displacement or perforation of the IUD, which is a contraceptive device that releases progestin into the uterus. However, this is not urgent compared to the 19 year old.

A. arterial blood gas (ABG) findings B. oxygen saturation level C. white blood cell differential D. red blood cells (RBCs) and hemoglobin count findings

Correct Answer is A

Explanation

Choice A rationale: Arterial blood gas (ABG) findings provide direct information about oxygenation and acid-base balance in the blood, which can indicate hypoxemia and metabolic acidosis.

Choice B rationale: Oxygen saturation level provides information about oxygen saturation in the blood but doesn't give a complete assessment of acid-base balance or other gases in the blood.

Choice C rationale: White blood cell differential assesses different types of white blood cells and is not directly related to evaluating hypoxemia or metabolic acidosis.

Choice D rationale: Red blood cells (RBCs) and hemoglobin count findings are important but do not directly assess hypoxemia or metabolic acidosis.

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Naxlex Comprehensive Predictor Exams

The nurse in the women's health clinic has four patients who are waiting to be seen. Which patient should the nurse see first?

Correct Answer is B

Explanation

The nurse is concerned about the risks of hypoxemia and metabolic acidosis in a client who is in shock. What finding should the nurse analyze for evidence of hypoxemia and metabolic acidosis in a client with shock?

Correct Answer is A

Explanation

Which client should receive the pictured examination first?

ADH release from the posterior pituitary is stimulated by which process?

What topic should the nurse plan as a priority to teach a 26-year-old patient who has been treated for pelvic inflammatory disease?

While assessing a male client, a nurse observes that the client has a small penis, long legs, short trunk, enlarged breast tissues, small testicles, and sexual dysfunction. What diagnosis does the nurse suspect from these findings?

Which disorder is associated with the compression of the bilateral nerve roots of the lumbosacral region?

A client tells the nurse, "I have intense stomach pain for 3 hours after eating." On assessment the nurse finds abdominal pain and tenderness of the abdomen. The nurse suspects duodenal ulcers in the client. Which diagnostic procedure does the primary health-care provider least likely recommend?

When planning care for a client with right ureteral renal calculi, which of the following nursing diagnosis has the less priority of care while caring for this patient?