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RN Advanced Math Assessment A65 Part 2 | Dosage Calculations, IV Drip Rates & Insulin Sliding Scales | Verified Study Guide

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Expert‑verified RN Advanced Math Assessment A65 Part 2 study guide with 30+ advanced math calculation questions and rationales. Key topics: Dosage conversions (mg ↔ mcg) IV infusion rate calculations (mL/hr, gtts/min) Sliding scale insulin formulas Pediatric weight‑based dosing (grams to kg) Bolus and continuous infusion protocols Oral suspension conversions Critical care math scenarios

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2026 HESI EXIT
V2 EXAM
NCLEX (NGN), Case-based Scenarios,
Actual Qs & Ans to Pass the Exam




THIS HESI EXIT CONSISTS OF
 160 Questions and Answers
 Multiple-choice Style
 Select All That Apply (SATA), ordering, fill-in-the-blank for dosage
 including Next Generation NCLEX (NGN) items
 Case-based Scenarios
 Expert Rationales consistent with HESI−Elsevier/Evolve standards.






,QUESTION 1
─────────────────────────────────────────────────
───────
A postoperative adult client with type 2 diabetes mellitus has a current blood glucose level of 720 mg/dL. Which
assessment finding is the nurse’s priority?


A. Assess for signs of fluid volume deficit
B. Observe the wound drainage characteristics
C. Measure the level of acute pain
D. Determine when the client last ate


Correct Answer: A
Rationale (Expert Explanation):
• A blood glucose of 720 mg/dL raises concern for hyperglycemic hyperosmolar state (HHS), which often presents with
severe dehydration.
• Therefore, assessing signs of fluid volume deficit is the immediate priority.


─────────────────────────────────────────────────
───────
QUESTION 2
─────────────────────────────────────────────────
───────
A male client reports concern for possible peptic ulcer disease because of heartburn and a dull, gnawing pain relieved
by eating. Which response by the nurse is best?


A. “Encourage a complete physical exam; your symptoms are consistent with an ulcer.”
B. “Your symptoms might just be reflux, because ulcer pain is not relieved by food.”
C. “These mild symptoms will go away if you avoid spicy foods.”
D. “There is no need to worry; over-the-counter antacids should help.”


,Correct Answer: A
Rationale (Expert Explanation):
• Dull, gnawing epigastric pain relieved by food intake can signal a peptic ulcer.
• Referral for a full evaluation is appropriate.


─────────────────────────────────────────────────
───────
QUESTION 3
─────────────────────────────────────────────────
───────
A male client with stomach cancer returns from surgery after a total gastrectomy. He has an NG tube to suction, is
receiving Lactated Ringer’s at 75 mL/hr IV, and one hour after admission the nurse notes 300 mL of blood in the
suction canister, HR 155 bpm, BP 78/48 mmHg. In addition to notifying the surgeon, which action should the nurse
implement first?


A. Measure and document the client’s urine output.
B. Check for an order to discontinue suction.
C. Assess operative dressing.
D. Increase the infusion rate of Lactated Ringer’s solution.


Correct Answer: D
Rationale (Expert Explanation):
• The rapid blood loss and hypotension (BP 78/48 mmHg) indicate potential hypovolemic shock.
• Increasing IV fluid rate helps maintain circulating volume.


─────────────────────────────────────────────────
───────
QUESTION 4
─────────────────────────────────────────────────


, ───────
A heparin infusion is prescribed for a 220-pound (100 kg) client. After an 80 units/kg bolus, the infusion is set at 18
units/kg/hour. Available heparin solution: 25,000 Units in 250 mL D5W. How many mL/hour should the nurse
program?


A. 12 mL/hour
B. 18 mL/hour
C. 24 mL/hour
D. 36 mL/hour


Correct Answer: B (18 mL/hour)
Rationale (Expert Explanation):
• 220 lb ÷ 2.2 = 100 kg.
• Infusion = 18 units/kg/hour → 18 × 100 = 1800 units/hour.
• 25,000 units : 250 mL = 1800 units : X mL → X = (1800 × 250) ÷ 25,000 = 18 mL/hour.


─────────────────────────────────────────────────
───────
QUESTION 5
─────────────────────────────────────────────────
───────
A male client fell 20 feet and has multiple injuries including a right pneumothorax. Chest tubes are in place, set to −10
cm H2O suction, with continuous bubbling in the suction-control chamber. After 1 hour in ICU, 75 mL of bright red
blood is in the collection chamber. Which intervention is indicated?


A. Add sterile water to the suction control chamber.
B. Notify the rapid response team.
C. Lower the suction to −5 cm H2O.
D. Strip the chest tube gently.

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