Which statement is true regarding safe administration of parenteral medications?
The 5 mL syringe is calibrated in increments of 0.1 mL for injections.
Powder medications are often mixed with a diluent to preserve for one month.
Ampules are glass containers used for single doses of medication.
The needle attaches to the plunger for intramuscular injections.
The Correct Answer is C
A. "The 5 mL syringe is calibrated in increments of 0.1 mL for injections."
This statement is false. A 5 mL syringe is typically calibrated in larger increments, such as 0.2 mL or 0.5 mL, making it easier for healthcare providers to measure and administer medications accurately.
B. "Powder medications are often mixed with a diluent to preserve for one month."
This statement is false. Powder medications are often mixed with a diluent (such as sterile water or saline) to reconstitute them before administration. However, the reconstituted solution is typically used immediately or within a very short period, and it is not preserved for a month due to the risk of contamination and degradation of the medication.
C. "Ampules are glass containers used for single doses of medication."
This statement is true. Ampules are small, sealed glass containers used for single doses of medication. They are designed for one-time use and are broken open just before administration to maintain the sterility of the medication inside.
D. "The needle attaches to the plunger for intramuscular injections."
This statement is false. In intramuscular injections, the needle is attached to the syringe barrel, not the plunger. The plunger is used to push the medication out of the syringe and through the needle into the muscle tissue.
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Related Questions
Correct Answer is B
Explanation
A. "30 mL"
This choice is incorrect. One tablespoon (tbsp) is equal to 15 milliliters (mL), not 30 mL. Taking 30 mL would be double the intended dose.
B. "15 mL"
This choice is correct. One tablespoon is generally equivalent to 15 mL. The client is ordered to take 1 tbsp of Mylanta, so they should take 15 mL with each dose.
C. "10 mL"
This choice is incorrect. 10 mL is less than a tablespoon. Taking 10 mL would result in an insufficient dose compared to the prescribed amount.
D. "5 mL"
This choice is incorrect. 5 mL is significantly less than a tablespoon. Taking 5 mL would also be insufficient and not in accordance with the prescribed dosage.
Correct Answer is C
Explanation
To calculate the dosage of Dobutamine in milligrams per hour, follow these steps:
1. Convert the patient's weight from pounds to kilograms:
110 lb/ 2.2 = 50 kg
2. Calculate the dosage per minute:
Dosage = 10 mcg/kg/min * 50 kg = 500 mcg/min
3. Convert the dosage from micrograms to milligrams:
500 mcg/min/ 1000 = 0.5 mg/min
4. Calculate the dosage per hour:
0.5 mg/min * 60 min/hr = 30 mg/hr
Therefore, the patient should receive 30 mg/hr of Dobutamine.
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