A client in DKA is ordered regular insulin at 7 units per hour for the current blood glucose level. The institution protocol is to add 100 units of regular insulin to a 150 ml bag of normal saline. What is the correct rate for the nurse to set the IV pump for this dose?
(Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["10.5"]
Step 1: Determine the concentration of insulin in the IV bag. 100 units of insulin are added to 150 mL of normal saline.
100 units ÷ 150 mL = (100 ÷ 150) = 0.6667 units per mL Result: 0.6667 units per mL
Step 2: Calculate the rate in mL per hour needed to deliver 7 units per hour. 7 units per hour ÷ 0.6667 units per mL = (7 ÷ 0.6667) = 10.5 mL per hour Result: 10.5 mL per hour
The correct rate for the nurse to set the IV pump is 10.5 mL per hour.

Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A Reason: Anchovies
Anchovies are a type of small, oily fish that are often used in various dishes for their strong flavor. They are rich in omega-3 fatty acids and other nutrients. However, there is no known interaction between anchovies and disulfiram. Disulfiram specifically interacts with alcohol and alcohol-containing products, causing unpleasant reactions. Therefore, anchovies are not a food item that needs to be avoided while taking disulfiram.
Choice B Reason: Spinach
Spinach is a leafy green vegetable that is high in vitamins, minerals, and antioxidants. It is generally considered a healthy food and does not have any known interactions with disulfiram. Patients taking disulfiram do not need to avoid spinach as it does not contain alcohol or any substances that would cause a reaction with the medication.
Choice C Reason: Grapefruit Juice
Grapefruit juice is known to interact with various medications by affecting the enzymes that metabolize these drugs in the liver. However, there is no specific interaction between grapefruit juice and disulfiram. While grapefruit juice can affect the metabolism of certain medications, it does not cause the same type of reaction that alcohol does when taken with disulfiram. Therefore, it is not necessary for patients on disulfiram to avoid grapefruit juice.
Choice D Reason: Alcoholic Beverages
Alcoholic beverages are the primary substance that must be avoided while taking disulfiram. Disulfiram works by inhibiting the enzyme acetaldehyde dehydrogenase, which is involved in metabolizing alcohol. When alcohol is consumed, acetaldehyde accumulates in the body, leading to unpleasant symptoms such as nausea, vomiting, headache, and flushing. This reaction is intended to deter individuals from drinking alcohol. Therefore, it is crucial for patients taking disulfiram to avoid all forms of alcohol, including alcoholic beverages, to prevent these adverse reactions.

Correct Answer is D
Explanation
The correct answer is d. Restrict your child’s intake of caffeine while she is taking this medication.
Choice A Reason:
This statement is incorrect. Methylphenidate does not typically increase saliva production. In fact, it is more commonly associated with dry mouth as a side effect. Therefore, informing parents that the medication might increase saliva production would be misleading and not based on the known side effects of the drug.
Choice B Reason:
This statement is incorrect. Methylphenidate should generally be administered in the morning or early afternoon to avoid insomnia, as it is a stimulant and can interfere with sleep if taken too late in the day. Administering the medication at bedtime would likely cause sleep disturbances, which is counterproductive for managing ADHD symptoms.
Choice C Reason:
This statement is incorrect. Methylphenidate is more commonly associated with weight loss rather than weight gain. The medication can suppress appetite, leading to reduced food intake and potential weight loss. Therefore, it is important to monitor the child’s weight and nutritional intake while on the medication, but weight gain is not a typical concern.
Choice D Reason:
This statement is correct. Caffeine is a stimulant and can exacerbate the side effects of methylphenidate, such as increased heart rate, jitteriness, and anxiety. Therefore, it is advisable to restrict the child’s intake of caffeine while taking this medication to avoid these potential interactions and side effects. This includes limiting consumption of caffeinated beverages like coffee, tea, and certain sodas.

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