Exam Mode Assessment

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No.

1 : A nurse is preparing to administer phenobarbital sodium 300 mg IV bolus to a client who is experiencing withdrawal from benzodiazepines. Available is phenobarbital sodium injection 130 mg/mL. How many mL should the nurse administer?(Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Hint : Divide the ordered dose by the concentration. Round to the nearest tenth.

Correct Answers:

Rationale :

300 mg ÷ 130 mg/mL = 2.31 ≈ 2.3 mL

Distractor Analysis :

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2 : A nurse is preparing to administer mirtazapine 45 mg PO to a client. The nurse should identify that this is equivalent to how many g? (Round the answer to the nearest thousandth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer (g) : 0.045

Hint : To convert mg to g, divide by 1000.

Correct Answers:

0.045

Rationale :

1 g = 1000 mg → 45 mg ÷ 1000 = 0.045 g

Distractor Analysis :

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3 : A nurse is preparing to administer 0.2 g of clozapine PO to a client. Available is clozapine 100 mg tablets. How many tablets should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Hint : Convert grams to mg before dividing by tablet strength.

Correct Answers:

Rationale :

0.2 g = 200 mg 200 mg ÷ 100 mg = 2 tablets

Distractor Analysis :

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4 : A nurse is preparing to administer fluoxetine 15 mg PO to a client who has premenstrual dysphoric disorder. Available is fluoxetine oral solution 20 mg/5 mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Hint : Use proportion or cross-multiplication.

Correct Answers:

Rationale :

(15 mg × 5 mL) ÷ 20 mg = 3.75 ≈ 3.8 mL

Distractor Analysis :

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5 : A nurse is preparing to administer diazepam 2.5 mg PO once a day at bedtime to a client who has anxiety. Available is diazepam oral solution 5 mg/5 mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Hint : When the dose is half the concentration, the volume equals the dose in mL.

Correct Answers:

Rationale :

(2.5 mg × 5 mL) ÷ 5 mg = 2.5 mL

Distractor Analysis :

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6 : A nurse is preparing to administer venlafaxine 225 mg PO to a client who has generalized anxiety disorder. Available is venlafaxine 75 mg sustained-release capsules. How many capsules should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Hint : Divide ordered dose by capsule strength.

Correct Answers:

Rationale :

225 mg ÷ 75 mg = 3 capsules

Distractor Analysis :

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7 : A nurse is preparing to administer naloxone 0.2 mg 1M to a client who is experiencing an opioid overdose. Available is naloxone 0.4 mg/mL for injection. How many mL should the nurse administer? (Round to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Hint : Use the standard formula: dose ÷ concentration.

Correct Answers:

Rationale :

0.2 mg ÷ 0.4 mg/mL = 0.5 mL

Distractor Analysis :

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8 : A nurse is preparing to administer naloxone 40 mcg 1M to a client. How many mg should the nurse administer? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)

Hint : To convert mcg to mg, divide by 1000.

Correct Answers:

0.04

Rationale :

1 mg = 1000 mcg → 40 mcg ÷ 1000 = 0.04 mg

Distractor Analysis :

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9 : A nurse is caring for a client who has a prescription for chlorpromazine 1 glday PO divided into four equal doses. How many mg should the nurse administer with each dose?(Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Hint : Convert to mg first, then divide by number of doses.

Correct Answers:

Rationale :

1 g = 1000 mg → 1000 mg ÷ 4 = 250 mg

Distractor Analysis :

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10 : A nurse is preparing to administer haloperidol 500 mcg PO to a client. How many mg should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Hint : Always convert mcg to mg by dividing by 1000.

Correct Answers:

Rationale :

1 mg = 1000 mcg → 500 mcg ÷ 1000 = 0.5 mg

Distractor Analysis :

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Total Questions: 10

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RN Dosage Calculation Mental Health Proctored Assessment 3.2

No.

2 : A nurse is preparing to administer mirtazapine 45 mg PO to a client. The nurse should identify that this is equivalent to how many g? (Round the answer to the nearest thousandth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer (g) : 0.045

3 : A nurse is preparing to administer 0.2 g of clozapine PO to a client. Available is clozapine 100 mg tablets. How many tablets should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

5 : A nurse is preparing to administer diazepam 2.5 mg PO once a day at bedtime to a client who has anxiety. Available is diazepam oral solution 5 mg/5 mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

7 : A nurse is preparing to administer naloxone 0.2 mg 1M to a client who is experiencing an opioid overdose. Available is naloxone 0.4 mg/mL for injection. How many mL should the nurse administer? (Round to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

8 : A nurse is preparing to administer naloxone 40 mcg 1M to a client. How many mg should the nurse administer? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)

9 : A nurse is caring for a client who has a prescription for chlorpromazine 1 glday PO divided into four equal doses. How many mg should the nurse administer with each dose?(Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

10 : A nurse is preparing to administer haloperidol 500 mcg PO to a client. How many mg should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

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RN Dosage Calculation Mental Health Proctored Assessment 3.2

No.

2 : A nurse is preparing to administer mirtazapine 45 mg PO to a client. The nurse should identify that this is equivalent to how many g? (Round the answer to the nearest thousandth. Use a leading zero if it applies. Do not use a trailing zero.)Correct Answer (g) : 0.045

3 : A nurse is preparing to administer 0.2 g of clozapine PO to a client. Available is clozapine 100 mg tablets. How many tablets should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

5 : A nurse is preparing to administer diazepam 2.5 mg PO once a day at bedtime to a client who has anxiety. Available is diazepam oral solution 5 mg/5 mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

7 : A nurse is preparing to administer naloxone 0.2 mg 1M to a client who is experiencing an opioid overdose. Available is naloxone 0.4 mg/mL for injection. How many mL should the nurse administer? (Round to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

8 : A nurse is preparing to administer naloxone 40 mcg 1M to a client. How many mg should the nurse administer? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)

9 : A nurse is caring for a client who has a prescription for chlorpromazine 1 glday PO divided into four equal doses. How many mg should the nurse administer with each dose?(Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

10 : A nurse is preparing to administer haloperidol 500 mcg PO to a client. How many mg should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

2 : A nurse is preparing to administer mirtazapine 45 mg PO to a client. The nurse should identify that this is equivalent to how many g? (Round the answer to the nearest thousandth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer (g) : 0.045