Nursing practice questions with comprehensive rationales
NurseDive Free Nursing Practice Question
The healthcare provider prescribes cefazolin 500 mg IM every 6 hours. The available vial is labeled, "Cefazolin 1 gram,”. and the instructions for reconstitution state, "For IM use, add 2.5 mL sterile water for injection to provide a total volume of 3.0 mL.”. After reconstitution, how many mL should be administered to the client? (Enter numeric value only. If rounding is required, round to the nearest tenth.).
This question is an excerpt from Nurse Dive's nursing test bank - HESI PN Exit Proctored Exam. Take the full exam now
Full Explanation
Step 1: 1 gram = 1000 mg
Step 2: 500 mg ÷ 1000 mg = 0.5
Step 3: 0.5 × 3.0 mL = 1.5 mL
Answer: 1.5 mL
Similar Questions
On the first day after a cesarean section, a client who is a primipara is being assisted to the bathroom for the first time. The client experiences a sudden gush of vaginal blood and notices that several blood clots are in the toilet. Which action should the practical nurse (PN) take?
A. Insert an indwelling catheter to empty the bladder and contract the fundus.
Inserting an indwelling catheter to empty the bladder and contract the fundus is not the appropriate action for sudden gush of vaginal blood and blood clots. The priority here is to assess the fundus, not intervene with an indwelling catheter. Catheterization may be necessary for other reasons, but not in this context.
B. Return the client to bed and maintain bedrest until the lochial flow slows.
Returning the client to bed and maintaining bedrest until the lochial flow slows may be a reasonable initial response, but it is not the most appropriate action. The sudden gush of blood and presence of blood clots could be indicative of postpartum hemorrhage or retained placental tissue, which require prompt evaluation.
C. Check fundal consistency and continue to monitor the lochial flow amount.
Checking fundal consistency and continuing to monitor the lochial flow amount is the most appropriate action. The sudden gush of blood and clots suggest a possible uterine atony or retained products of conception. Assessing the fundal height and firmness helps identify if the uterus is contracting adequately, while monitoring the lochial flow amount can indicate ongoing bleeding.
D. Massage the fundus and avoid direct pressure on the cesarean incision.
Massaging the fundus and avoiding direct pressure on the cesarean incision is not the recommended action in this situation. Massaging the fundus without assessing its consistency could worsen bleeding if there is uterine atony, and the client needs immediate evaluation and monitoring.
Full Explanation
Check fundal consistency and continue to monitor the lochial flow amount.
Choice A rationale:
Inserting an indwelling catheter to empty the bladder and contract the fundus is not the appropriate action for a sudden gush of vaginal blood and blood clots. The priority here is to assess the fundus, not intervene with an indwelling catheter. Catheterization may be necessary for other reasons, but not in this context.
Choice B rationale:
Returning the client to bed and maintaining bedrest until the lochial flow slows may be a reasonable initial response, but it is not the most appropriate action. The sudden gush of blood and presence of blood clots could be indicative of postpartum hemorrhage or retained placental tissue, which require prompt evaluation.
Choice C rationale:
Checking fundal consistency and continuing to monitor the lochial flow amount is the most appropriate action. The sudden gush of blood and clots suggest a possible uterine atony or retained products of conception. Assessing the fundal height and firmness helps identify if the uterus is contracting adequately, while monitoring the lochial flow amount can indicate ongoing bleeding.
Choice D rationale:
Massaging the fundus and avoiding direct pressure on the cesarean incision is not the recommended action in this situation. Massaging the fundus without assessing its consistency could worsen bleeding if there is uterine atony, and the client needs immediate evaluation and monitoring.
A client who had knee replacement surgery receives a prescription for enoxaparin 30 mg subcutaneously every 12 hours for 10 days. The medication is available in 30 mg per 0.3 mL prefilled syringes. How many mL should the practical nurse (PN) administer each day? (Enter numerical value only.).
Full Explanation
Step 1: The medication is prescribed as 30 mg every 12 hours, which means it is given twice a day. So, the total daily dosage in mg is 30 mg × 2 = 60 mg.
Step 2: The medication is available in 30 mg per 0.3 mL. So, to find out how many mL correspond to 60 mg, we set up a proportion: (30 mg / 0.3 mL) = (60 mg / x mL). Solving for x gives x = (0.3 mL / 30 mg) × 60 mg = 0.6 mL.
Therefore, the practical nurse should administer 0.6 mL of the medication each day.
The practical nurse (PN) learns that a client who is receiving chemotherapy has developed stomatitis. Which information should the PN obtain from the client during a focused assessment?
A. Urinary output.
Urinary output is not directly related to stomatitis, which is inflammation of the mouth and throat. While monitoring urinary output is important in many situations, it is not relevant in this case.
B. Blood pressure while standing.
Blood pressure while standing is not directly related to stomatitis either. This assessment is more relevant for conditions such as orthostatic hypotension, which can cause a drop in blood pressure upon standing.
C. Ability to swallow.
Ability to swallow is crucial in the context of stomatitis. Stomatitis can cause painful sores in the mouth, making it difficult for the client to eat or drink. Assessing the client's ability to swallow will help determine the impact of stomatitis on their nutritional intake and overall well-being.
D. Frequency of bowel movements.
Frequency of bowel movements is unrelated to stomatitis. This assessment is more relevant for gastrointestinal issues or constipation, not for a condition affecting the mouth and throat.
Full Explanation
Choice A rationale:
Urinary output is not directly related to stomatitis, which is inflammation of the mouth and throat. While monitoring urinary output is important in many situations, it is not relevant in this case.
Choice B rationale:
Blood pressure while standing is not directly related to stomatitis either. This assessment is more relevant for conditions such as orthostatic hypotension, which can cause a drop in blood pressure upon standing.
Choice C rationale:
Ability to swallow is crucial in the context of stomatitis. Stomatitis can cause painful sores in the mouth, making it difficult for the client to eat or drink. Assessing the client's ability to swallow will help determine the impact of stomatitis on their nutritional intake and overall well-being.
Choice D rationale:
Frequency of bowel movements is unrelated to stomatitis. This assessment is more relevant for gastrointestinal issues or constipation, not for a condition affecting the mouth and throat.