Nokea
A group of nursing students are reviewing information about drugs and how they are supplied for parenteral administration. The students demonstrate understanding of the information when they identify which forms as available for parenteral administration? Select all that apply.
- A. Disposable syringes
- B. Reusable cartridges
- C. Ampules containing liquid form of the drug
- D. Reusable vial containing liquid form of the drug
- E. Vial containing drug powder
Correct Answer: A,C,D,E
Rationale: Parenteral drugs may be available in the following forms: liquids in disposable cartridges or disposable syringes; ampules or vials that contain the liquid form of the drug; and ampules or vials that contain the powder or crystal form of the drug. These vials may be single-dose or multidose vials.
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After teaching a group of nursing students about measurement systems, the instructor determines that the teaching was successful when the students identify which of the following as units of the metric system?
- A. Minims
- B. Grains
- C. Drams
- D. Grams
Correct Answer: D
Rationale: Grams are units of weight in the metric system. Minims are units of volume in the apothecary system. Grains and drams are units of weight in the apothecary system.
"Dose desired / dose on hand = dose administered" is the formula for calculating the dose to be administered. Under under which of the following circumstances is this to be used?
- A. When the physician is not available to calculate the dosage
- B. When the dosage is written in the apothecary system
- C. When the dose desired and dose on hand are in the same system
- D. When the label of the drug is in the metric system
Correct Answer: C
Rationale: When the dose ordered by the physician (dose desire is written in the same system as the dose on the drug container (dose on han, the above formula is used for calculating the dose to be administered. When the physician is not available to calculate the dosage, the dosage is written in the apothecary system, and the label of the drug is in the metric system are circumstances in which it becomes necessary for the nurse to compute the drug dosage.
Which of the following drug doses is written correctly? Select all that apply.
- A. Synthroid 0.175 \mathrm{mg}
- B. Synthroid 175 \mathrm{mg}
- C. Synthroid 175 \mathrm{mcg}
- D. Synthroid 175.0 \mathrm{mcg}
- E. Synthroid 1750 \mathrm{mg}
Correct Answer: A,C
Rationale: When there is no number to the left of the decimal, a zero is written; therefore, Synthroid 0.175 mg and 175 mcg are correct.
A client has been taking warfarin (Coumadin) 5 \mathrm{mg} daily. After a check of the client's INR, the physician wants to increase the client's dose to 7.5 \mathrm{mg} on Wednesdays and continue 5 \mathrm{mg} all the other days of the week. The client has warfarin 5 -mg tablets on hand. The nurse would instruct the client to take tablets on Wednesdays.
- A. 1 tablet
- B. 1.5 tablets
- C. 2 tablets
- D. 2.5 tablets
Correct Answer: B
Rationale: 7.5 mg / 5 mg = 1.5
A client is to receive a 7.5 mg/kg dose of a drug. The client weighs 155 lb. The client would receive ??..per dose
- A. 450.0 mg
- B. 528.4 mg
- C. 600.0 mg
- D. 675.0 mg
Correct Answer: B
Rationale: First, the client's weight needs to be converted to kilograms. 155 lb ? 1 kg / 2.2 lb = 70.5 kg. Then the drug dosage is calculated as follows: 70.5 kg ? 7.5 mg/kg = 528.4 mg.