A nurse is preparing to administer haloperidol 5 mg IM to a client. The amount available is haloperidol 20 mg/mL. How many mL should the nurse administer?
(Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.25"]
To calculate the volume of haloperidol solution needed, we can use the formula:
Volume (mL)=Dose (mg)/Concentration (mg/mL)
Given: Dose of haloperidol = 5 mg
Concentration of haloperidol solution = 20 mg/mL
Substituting the given values into the formula:
Volume (mL)=5 mg/20 mg/mL
Volume (mL)=5/20
Volume (mL)=0.25 mL
Rounded to the nearest hundredth, the nurse should administer 0.25 mL of haloperidol solution.
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Correct Answer is D
Explanation
A. Grapefruit juice inactivates this medication - Grapefruit juice is known to interact with certain medications, but it does not affect the metabolism of diazepam. Therefore, this statement is incorrect.
B. It is important to avoid foods that contain tyramine - Tyramine is typically associated with interactions with monoamine oxidase inhibitors (MAOIs), not benzodiazepines like diazepam. Therefore, this statement is incorrect.
C. This medication must be swallowed whole - While it is generally recommended to swallow diazepam tablets whole with a full glass of water, this instruction does not encompass the full range of information necessary for safe medication use.
D. Diazepam can cause drowsiness - This statement is correct. Diazepam, like other benzodiazepines, has sedative effects and can cause drowsiness. Patients should be advised to avoid activities that require mental alertness, such as driving, until they know how the medication affects them. This is an essential aspect of patient education regarding diazepam.
Correct Answer is A
Explanation
When opening a glass ampule, it's essential to use the correct technique to prevent injury and ensure sterility. Here's the rationale for each option:
A. Tap the top of the ampule, place a sterile gauze pad around the ampule neck, and break off the top by bending it toward the body: This technique is correct. Tapping the top of the ampule helps dislodge any medication that may be trapped in the neck. Placing a sterile gauze pad around the neck provides a barrier to protect against injury from glass shards. Breaking off the top by bending it toward the body helps prevent spillage of the medication.
B. Tap the bottom of the ampule, place a gauze pad around the ampule neck, and break off the bottom with a forward motion away from the body: Tapping the bottom of the ampule is unnecessary and may increase the risk of breakage. Breaking off the bottom with a forward motion away from the body is not the recommended technique for opening a glass ampule.
C. Wear sterile gloves and break off the neck of the glass ampule with a single snap in a downward motion: This technique does not involve the use of a gauze pad to protect against injury, which is essential for safe medication administration.
D. Wear sterile gloves and break off the neck of the glass ampule with a single snap to the right side: Breaking off the neck with a single snap to the right side is not a recommended technique. Additionally, using sterile gloves alone may not provide sufficient protection against injury from glass shards.
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