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Question 1 of 5

A client is experiencing muscle weakness and lethargy. His serum K+ is 3.2. What other symptoms might he exhibit?

Correct Answer: B

Rationale: Low potassium (3.2) causes dysrhythmias due to its role in cardiac muscle activity. The other symptoms are not associated with hypokalemia.

Question 2 of 5

The mother of a one-year-old with sickle cell anemia wants to know why the condition didn't show up in the nursery. The nurse's response is based on the knowledge that:

Correct Answer: D

Rationale: Fetal hemoglobin (HbF), predominant in newborns, inhibits sickling in sickle cell anemia, delaying symptoms until HbF decreases around 6 months. Newborn screening exists, and infections can trigger crises later.

Question 3 of 5

Which type of insulin can be administered by a continuous IV drip?

Correct Answer: C

Rationale: Regular insulin is the only insulin that can be administered IV.

Question 4 of 5

A client is being discharged from the hospital today. The discharge teaching for care of her colostomy included which of the following basic principles for protecting the skin around her stoma:

Correct Answer: D

Rationale: When skin sealant is used under the tape, the outermost layer of the epidermis remains intact. When no skin sealant is used, this layer is removed when the tape is removed.

Question 5 of 5

A client with a history of glaucoma is prescribed timolol (Timoptic) eye drops. Which instruction should the nurse include in the teaching?

Correct Answer: B

Rationale: Pressing the inner corner (nasolacrimal occlusion) after instilling timolol prevents systemic absorption. Direct corneal application (
A) is incorrect, pain-based use (
C) is wrong, and refrigeration (
D) is unnecessary.

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The client is prescribed warfarin (Coumadin). Which food should the nurse instruct the client to limit?
A client is hyperactive and not sleeping. She will not remain at the table during mealtime. She is getting very limited calories and is using a lot of energy in her hyperactive state. The most therapeutic nursing action is to:

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