The practical nurse (PN) is preparing cefazolin 400 mg IM for a client with a gram-positive infection. The available vial is labeled, "Cefazolin 1 gram," and the instructions for reconstitution state, for IM use, add 2 mL sterile water for injection. Total volume after reconstitution is 2.5 mL. After reconstitution, how many mL should be administered to the client? (Enter numeric value only. If rounding is required, round to the whole number, nearest tenths/hundredth).

Answer and Explanation

The Correct Answer is ["1"]

This is the correct answer because the concentration of cefazolin after reconstitution is 1 gram/2.5 mL, which is equivalent to 400 mg/1 mL. Therefore, to administer 400 mg of cefazolin, the PN should draw up 1 mL of the reconstituted solution. This can be calculated using the formula:

Desired dose / Available dose = Volume to administer

400 mg / 1000 mg = x mL / 2.5 mL

x = (400 x 2.5) / 1000

x = 1 mL

Nursing Test Bank

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Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

Choice A rationale:

History of vomiting at home for 3 days prior to surgery. Rationale: This information is relevant to the client's surgical history and may impact their current condition. It is essential to inform the receiving nurse about this history to ensure appropriate postoperative care.

Choice B rationale:

Soft abdomen, absent bowel sounds, no bleeding on dressing. Rationale: While this information is important for assessing the client's postoperative status, it is less urgent than the history of vomiting. The abdominal assessment suggests normal findings after surgery.

Choice C rationale:

Declining to take ice chips for complaints of dry mouth. Rationale: While this information indicates the client's complaint of dry mouth, it is not as critical as the history of vomiting or the assessment of surgical outcomes.

Choice D rationale:

Peripheral pulses present with full range of motion of both legs. Rationale: This information is important but primarily related to the client's vascular and neurological status. It may not be as immediately relevant as the history of vomiting in the context of a recent surgery.

A. A primigravida whose perineal pain has worsened one hour after being medicated. B. A multigravida whose peri-pad is 1/4 saturated with lochia rubra after one hour C. A multigravida complaining of strong afterbirth pains when breastfeeding. D. A primigravida who passed a small clot when she sat up on the edge of the bed.

Correct Answer is A

No explanation

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Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Correct Answer is A

Explanation

After completing post anesthesia recovery assessments, the registered nurse (RN) asks the practical nurse (PN) to transfer four clients, each two hours post-birth, to the postpartum unit. Which client should the PN ask the RN to reassess prior to transfer?

Correct Answer is A

The nurse is assessing an adolescent female diagnosed with anorexia nervosa who is admitted to the unit with severe malnutrition and electrolyte imbalance.Which pathological process results from the adolescent's consistent maladaptive behavior?

A male client who has just been told he has cancer asks the practical nurse (PN) to leave his room so he can be alone. Which action should the PN implement?

When assessing a client, the nurse should establish which finding(s) as objective? (Select all that apply.).

A nurse is reviewing laboratory results for a client who has been taking amoxicillin-clavulanate (Augmentin) for a bacterial respiratory tract infection.Which of the following findings should alert the nurse to a possible adverse effect of this medication? (Select all that apply.).

A client with bleeding esophageal varices receives vasopressin intravenously (IV). Which adverse effect should the nurse monitor for during the IV infusion of this medication?

A client asks a nurse about the differences between major depressive disorder (MDD) and dysthymia.Which of the following responses by the nurse is accurate?

A 5-year-old child with a history of a waddling gait and frequent falls is brought into the hospital for diagnostic testing.When explaining the diagnostic testing to the parents, the nurse should provide information based on which understanding of the underlying disease pathology?