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NAPLEX Practice Exam A

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NAPLEX Practice Questions

1 / 10

1. A patient is receiving 400 mL of 10% Intralipid weekly. How many kcal from lipids are provided daily?

A. 62.9 kcal

B. 550 kcal

C. 78.6 kcal

D. 74.8 kcal

E. 550.8 kcal

10% Intralipid = 1.1 kcal/mL --> 400×1.1 = 440 kcal/week --> 440/7 ~ 62.9 kcal/day

2 / 10

2. How many grams of dextrose are in 750 mL of D5W?

A. 10 grams

B. 25 grams

C. 37.5 grams

D. 50 grams

E. 125 grams

D5W = 5 g/100 mL --> 750 mL × 0.05 = 37.5 g

3 / 10

3. The pharmacy receives the following TPN order. Calculate the volume of 23.4% NaCl (4 mEq/mL) that should be added to the TPN.
Item/Quantities:
Dextrose 270 g
Amino acids 60 g
Sodium chloride 44 mEq
Sodium acetate 14 mEq
Potassium 40 mEq
Magnesium sulfate 10 mEq
Phosphate 21 mmol
Calcium 4.45 mEq
Sterile water qs ad 980 mL

A. 95 mL

B. 152 mL

C. 38 mL

D. 17 mL

E. 11 mL

Volume = 44 ÷ 4 = 11 mL

4 / 10

4. What is the correct wear time for the scopolamine patch?

A. 1 day

B. 2 days

C. 3 days

D. 5 days

E. 7 days

Transderm Scop is a 72-hour patch; change every 3 days and apply in advance of expected motion sickness.

5 / 10

5. How many grams of NaCl are in 600 mL of 1/2 NS?

A. 1 gram

B. 10 grams

C. 2.25 grams

D. 2.7 grams

E. 4.5 grams

1/2 NS = 0.45% NaCl = 0.0045 g/mL --> 600 mL × 0.0045 g/mL = 2.7 g

6 / 10

6. What is the likely cause of flushing and dizziness in a patient recently started on ritonavir for HIV. Currently the patient is on nifedipine SR, atenolol and linisopril?

A. Decreased atenolol levels due to enzyme induction

B. Elevated atenolol levels due to enzyme inhibition

C. Decreased nifedipine levels due to enzyme induction

D. Elevated nifedipine levels due to enzyme inhibition

E. Ritonavir-induced flushing syndrome

Ritonavir inhibits metabolism of nifedipine, increasing drug levels and side effects.

7 / 10

7. A patient using erythropoietin for eight months. She woke up today having pain and swelling below the knees. What is the most likely complication?

A. Arthralgia

B. Myalgia

C. Deep vein thrombosis

D. Osteosarcoma

E. Peripheral neuropathy

ESAs increase the risk of thrombotic events like DVT; patients should be monitored for signs of clots.

8 / 10

8. A patient begins Plaquenil for lupus. What are important counseling points?
I. The drug is dosed three times per day.
II. Visual and auditory changes should be monitored.
III. Lab tests should monitor for increased platelets.
IV. Take with meals to reduce GI upset.

A. 1 and 2

B. 2 and 3

C. 3 and 4

D. 2 and 4

E. 1, 2, 3 and 4

Hydroxychloroquine may cause retinal toxicity. It should be taken with food and monitored with labs for blood dyscrasias. It is dosed once to twice daily for SLE and may cause DECREASE in platelets.

9 / 10

9. A glaucoma patient with COPD requires a beta blocker eye drop. Which is the safest option?

A. Timolol

B. Levobunolol

C. Carteolol

D. Nadolol

E. Betaxolol

Betaxolol is beta-1 selective and less likely to exacerbate respiratory conditions. The others are non-selective.

10 / 10

10. What is the brand name of triamcinolone when used in asthma?

A. Asmanex HFA

B. Aerospan HFA