1mL is equal to how many drops (gtts)?
15 drops.
10 drops.
5 drops.
30 drops.
The Correct Answer is A
A. 15 drops: In standard IV administration using a macrodrip set, 1 mL of fluid is generally considered equivalent to 15 drops (gtts). This conversion is commonly used in clinical practice for calculating flow rates.
B. 10 drops: Ten drops per milliliter may apply to some microdrip sets, but it is not the standard macrodrip measurement. Using this value without verifying the tubing type could result in inaccurate dosing.
C. 5 drops: Five drops per milliliter is not a standard measurement in either macrodrip or microdrip IV sets and would underestimate the correct volume delivered.
D. 30 drops: Thirty drops per milliliter exceeds standard macrodrip calibration and is not used. Using this figure could lead to fluid overload if applied incorrectly.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Calculation:
- Identify the ordered dose and tablet strength
Ordered Dose: 40 mg
Tablet Strength: 20 mg per tablet
- Calculate the number of tablets to administer
Number of Tablets = Ordered Dose ÷ Tablet Strength
Number of Tablets = 40 ÷ 20
= 2
Correct Answer is D
Explanation
A. An enhanced effect due to interaction with another drug (potentiation): Potentiation occurs when one drug increases the effect of another, leading to exaggerated therapeutic or adverse effects. The scenario describes a response opposite to the intended sedative effect, not an amplified effect.
B. Toxicity resulting from excessive medication concentration: Toxicity results from excessive plasma levels causing harmful or life-threatening effects. Increased anxiety and restlessness are not typical signs of sedative overdose.
C. A severe allergic reaction causing respiratory distress (anaphylaxis): Anaphylaxis presents with hypotension, airway compromise, urticaria, or angioedema. The patient’s symptoms of agitation and restlessness are not consistent with an allergic reaction.
D. An unexpected opposite reaction known as paradoxical effect: Paradoxical reactions occur when a drug produces effects opposite to those intended, such as increased agitation with sedatives or increased excitement with benzodiazepines. This response is well-documented with certain psychiatric or sedative medications and requires close monitoring.
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