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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. The client drinks 2 liters of liquids daily. - This statement indicates adequate fluid intake, which is important for preventing dehydration and lithium toxicity. Increased fluid intake helps maintain normal lithium levels by promoting its excretion through urine.
B. The client eats 2 to 3 gm of sodium-containing foods daily. - This statement suggests a moderate sodium intake, which can help maintain stable lithium levels. Adequate sodium intake is important for preventing lithium toxicity because sodium depletion can increase lithium reabsorption by the kidneys, leading to higher serum levels.
C. The client runs 4 miles outdoors every afternoon. - This statement indicates excessive sweating, which can lead to dehydration and subsequent lithium toxicity. Vigorous exercise, particularly in hot environments, increases fluid loss through sweating, potentially reducing lithium excretion and increasing serum levels.
D. The client eats foods high in tyramine. - This statement is unrelated to lithium toxicity. Tyramine-containing foods are typically associated with interactions with monoamine oxidase inhibitors (MAOIs), not lithium.
Correct Answer is ["B","C","D","E"]
Explanation
Answer: (B, C, D, E)
Rationale:
A) Damp dressing: A damp dressing around the IV site is typically indicative of a leaking IV or infiltration, where fluid escapes from the vein into the surrounding tissue. This finding is not directly related to phlebitis, which is inflammation of the vein.
B) Warmth at insertion site: Warmth at the insertion site is a common sign of phlebitis. The inflammation of the vein causes increased blood flow to the area, leading to localized warmth. This symptom is a key indicator that the IV site may be irritated or infected.
C) Streak formation: Streak formation, often seen as a red line running along the vein above the IV site, is a classic sign of phlebitis. It indicates inflammation and irritation spreading along the vein, which can occur due to the presence of the IV catheter.
D) Throbbing: Throbbing pain or discomfort at the IV site is another sign of phlebitis. The inflammation of the vein can cause pain that may be constant or increase with movement or palpation, indicating irritation or potential damage to the vessel.
E) Erythema: Erythema, or redness at the IV site, is a hallmark sign of phlebitis. The inflammation results in redness around the insertion area, which may spread along the vein, further indicating the presence of irritation or infection at the site.
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