The provider has ordered 180 mg of Dilantin PO every 8 hours. The label of the drug reads 250 mg per 5 ml. How many milliliters will the nurse administer per dose?

3.6 ml

4.5 ml

5 ml

7 ml

Answer and Explanation

The Correct Answer is A

Choice A reason: To calculate the dose, divide the ordered 180 mg by the concentration of 250 mg per 5 ml: (180 mg ÷ 250 mg) × 5 ml = 0.72 × 5 = 3.6 ml. This precise calculation ensures the correct amount of Dilantin is administered, matching the provider’s order.

Choice B reason: A 4.5 ml dose would deliver 225 mg (4.5 ml × 250 mg/5 ml), exceeding the ordered 180 mg. This overdose could increase the risk of toxicity, as Dilantin has a narrow therapeutic range, making this an incorrect choice.

Choice C reason: A 5 ml dose delivers 250 mg (5 ml × 250 mg/5 ml), significantly more than the ordered 180 mg. This excessive dose could lead to adverse effects like ataxia or nystagmus, rendering this choice incorrect for the prescribed amount.

Choice D reason: A 7 ml dose would provide 350 mg (7 ml × 250 mg/5 ml), far exceeding the ordered 180 mg. Such a high dose could cause severe toxicity, including neurological symptoms, making this an inappropriate and unsafe choice.

Nursing Test Bank

Quiz #1: RN Exams Pharmacology Exams Quiz #2: RN Exams Medical-Surgical Exams Quiz #3: RN Exams Fundamentals Exams Quiz #4: RN Exams Maternal-Newborn Exams Quiz #5: RN Exams Anatomy and Physiology Exams Quiz #6: RN Exams Obstetrics and Pediatrics Exams Quiz #7: RN Exams Fluid and Electrolytes Exams Quiz #8: RN Exams Community Health Exams Quiz #9: RN Exams Promoting Health across the lifespan Exams Quiz #10: RN Exams Multidimensional care Exams

Get 100+ Naxlex Exit Exams for $79 Try Naxlex NCLEX-RN (14 Day Free-Trial)

Naxlex Comprehensive Predictor Exams

Quiz #1: Naxlex RN Comprehensive online practice 2019 B with NGN Quiz #2: Naxlex RN Comprehensive Predictor 2023 Quiz #3: Naxlex RN Comprehensive Predictor 2023 Exit Exam A Quiz #4: Naxlex HESI Exit LPN Exam Quiz #5: Naxlex PN Comprehensive Predictor PN 2020 Quiz #6: Naxlex VATI PN Comprehensive Predictor 2020 Quiz #8: Naxlex PN Comprehensive Predictor 2023 - Exam 1 Quiz #10: Naxlex HESI PN Exit exam Quiz #11: Naxlex HESI PN EXIT Exam 2

Free Nursing Study Resources

Correct Answer is D

Explanation

Choice A reason: The submandibular glands are palpable below the mandible, but occipital glands do not exist as salivary glands. The occipital region relates to lymph nodes or muscles, not salivary structures, making this an incorrect pair for palpation.

Choice B reason: The parotid glands are palpable near the ears, but jugulodigastric refers to lymph nodes, not salivary glands. This misidentification of anatomical structures makes this pair incorrect for assessing salivary gland palpation.

Choice C reason: Occipital and submental regions do not contain salivary glands. Submental lymph nodes exist, but neither these nor occipital structures are salivary glands, making this pair anatomically incorrect for the nurse’s palpation assessment.

Choice D reason: The parotid glands, located anterior to the ears, and submandibular glands, below the mandible, are the two pairs of salivary glands accessible for palpation. Their anatomical positions allow external assessment, making this the correct choice.

A. Right 5th intercostal space at the sternal border B. Right 2nd intercostal space at the sternal border C. Left 5th intercostal space at the mid-clavicular line D. Left 2nd intercostal space at the mid-clavicular line

Correct Answer is C

Explanation

Choice A reason: The right 5th intercostal space at the sternal border is near the tricuspid valve, where murmurs from tricuspid regurgitation or stenosis are typically heard. Aortic valve stenosis murmurs, caused by turbulent flow through a narrowed aortic valve, are not prominent here, making this an incorrect assessment site.

Choice B reason: The right 2nd intercostal space at the sternal border is the aortic area, ideal for auscultating aortic valve stenosis murmurs. These murmurs are harsh, crescendo-decrescendo, and systolic, radiating to the carotid arteries due to turbulent blood flow through the stenosed aortic valve, making this the correct site.

Choice C reason: The left 5th intercostal space at the mid-clavicular line is the mitral valve area, where mitral regurgitation or stenosis murmurs are heard. Aortic valve stenosis murmurs originate from the aortic root and are not best detected here, rendering this choice incorrect.

Choice D reason: The left 2nd intercostal space at the mid-clavicular line is near the pulmonic valve, where pulmonic stenosis murmurs are auscultated. Aortic valve stenosis murmurs are not prominent in this area, as they are specific to the aortic region, making this an incorrect choice.

View Question and Answer

Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.

Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today

The provider has ordered 180 mg of Dilantin PO every 8 hours. The label of the drug reads 250 mg per 5 ml. How many milliliters will the nurse administer per dose?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

When examining the face, the nurse is aware that which two pairs of salivary glands are accessible for palpation?

Correct Answer is D

Explanation

Which area would the nurse assess for a murmur due to aortic valve stenosis?

Correct Answer is C

Explanation

In performing a voice test to assess hearing, which of these actions would the nurse perform?

A 40-year-old Asian male with no family history of cancer is in the office for his annual physical examination. What should the nurse teach the patient regarding the PSA blood test according to the American Cancer Society?

The nurse is assessing a patient’s pain. Which would be the most reliable indicator of pain in a conscious, alert, and oriented patient?

The provider has ordered 180 mg of Dilantin PO every 8 hours. The label of the drug reads 250 mg per 5 ml. How many milliliters will the nurse administer per dose?

During a visit to the clinic, a patient complains that her legs feel heavy in the calf. The nurse assesses that the patient has dilated, tortuous veins apparent in her lower legs. Which condition is reflected by these findings?

The nurse finds that a patient’s skin tents when assessing skin turgor. How would the nurse interpret this finding?

During a health history, a patient tells the nurse that he has had trouble in starting his urine stream. Which term is used to document this symptom?