The health care provider has ordered a hypotonic intravenous (IV) solution to be administered. Which IV bag will the nurse prepare?

0.9% sodium chloride (NS)

0.45% sodium chloride (1/2 NS)

Dextrose 5% in Lactated Ringer's (DSLR)

Lactated Ringer's (LR)

Answer and Explanation

The Correct Answer is B

A.   0.9% sodium chloride, also known as Normal Saline, is an isotonic solution. It has the same concentration of solutes as blood plasma, which means it does not change the cell's fluid volume but rather maintains it. It is not considered hypotonic.

B.   0.45% sodium chloride, commonly known as Half Normal Saline, is a hypotonic solution. It has a lower concentration of sodium chloride compared to the normal saline and is used to provide hydration and to help correct electrolyte imbalances by allowing water to move into the cells.
C.   Dextrose 5% in Lactated Ringer's is not a hypotonic solution. It is actually a type of hypertonic solution. Initially, dextrose 5% is isotonic, but once the dextrose is metabolized, the solution becomes hypotonic due to the electrolyte content of Lactated Ringer’s. However, the classification is generally based on the solution before metabolism, and it is not commonly used as a hypotonic solution.
D.   Lactated Ringer's solution is an isotonic solution. It contains electrolytes in concentrations similar to those found in the body's plasma, and it is used to restore fluids and electrolytes. It does not have a hypotonic effect on cells.

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Correct Answer is ["2"]

Explanation

desired dose / available dose) x available volume.

The desired dose is 250 mg, and the available dose is 1000 mg in 8 mL.

So, the calculation would be: (250 mg / 1000 mg) x 8 mL = 2 mL. Therefore, the nurse should administer 2 mL of hydrocortisone sodium succinate.

A. “Hyperventilation will open up my alveoli, preventing atelectasis." B. “It is important for me to do breathing exercises every hour to prevent atelectasis." C. "Atelectasis affects only those with chronic conditions such as emphysema. I do not have emphysema therefore I will not get this condition." D. “If develop atelectasis, I will need a chest tube to drain excess fluid."

Correct Answer is B

Explanation

A. Hyperventilation can lead to dizziness and lightheadedness, and it's not a recommended method for preventing atelectasis.
B. This statement indicates understanding of the importance of deep breathing exercises in preventing atelectasis.
C. This statement shows a misunderstanding of atelectasis. Anyone can develop atelectasis, especially after surgery.
D. This statement is incorrect, but it focuses on treatment rather than prevention.

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The health care provider has ordered a hypotonic intravenous (IV) solution to be administered. Which IV bag will the nurse prepare?

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Naxlex Comprehensive Predictor Exams

Correct Answer is ["2"]

Explanation

A nurse teaches a post-operative patient about preventing atelectasis. Which statement by the patient indicates an understanding?

Correct Answer is B

Explanation

Which of the following medications from a client's medication list would increase their surgical risk?

A nurse is performing tracheostomy care for a client and suctioning to remove copious secretions. Which of the following actions should the nurse take?

Which blood gas result will the nurse expect to observe in a patient with respiratory alkalosis?

A nurse is teaching a client who has a prescription for home oxygen therapy. Which of the following instructions should the nurse include?

A nurse is caring for a client who has nausea and is vomiting. The nurse should identify the client is at risk for which of the following acid-base imbalances?

A nurse is preparing to administer hydrocortisone 100 mg IM daily to a client. Available is hydrocortisone 250 mg/2 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth number. Use a leading zero if it applies. Do not use a trailing zero.)

Which of the following is a postoperative risk factor specifically associated with older adults?