An infant who weighs 22 pounds receives a prescription for amoxicillin 20 mg/kg/day by mouth in divided doses every 8 hours. The bottle is labeled, "Amoxicillin for Oral Suspension, USP 250 mg per 5 mL." How many mL should the nurse administer with each dose? (Enter numerical value only. If rounding is necessary, round to the nearest tenth.)
The Correct Answer is ["1.3"]
1. Convert the infant's weight from pounds to kilograms. We can use the conversion factor 1 kg
= 2.2 lb. So, 22 lb x (1 kg / 2.2 lb) = 10 kg.
2. Calculate the total daily dose of amoxicillin for the infant. We can use the formula D = d x W, where D is the total daily dose, d is the dose per kg per day, and W is the weight in kg. So, D = 20 mg x 10 kg = 200 mg.
3. Calculate the single dose of amoxicillin for the infant. We can divide the total daily dose by the number of doses per day. Since the prescription is for every 8 hours, there are 3 doses per day. So, 200 mg / 3 = 66.67 mg.
4. Calculate the volume of amoxicillin suspension for the single dose. We can use the ratio of the concentration of the suspension, which is 250 mg per 5 mL. So, 66.67 mg x (5 mL / 250 mg) =
1.33 mL.
5. Round the volume to the nearest tenth= 1.3 mL
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A) Incorrect- This is true; the diaphragm should be inserted before sexual activity. However, the main concern in this scenario is the need for refitting after childbirth.
B) Incorrect- This statement is not accurate. While the diaphragm is a form of contraception, it is not considered one of the most effective methods. Long-acting reversible contraceptives
(LARCs) like intrauterine devices (IUDs) and hormonal implants are among the most effective methods.
C) Incorrect- Vaseline lubricant can be used when inserting the diaphragm: Vaseline and other oil-based lubricants can weaken the latex or cause damage to the diaphragm. Water-based lubricants are recommended for use with diaphragms.
D) Correct- The diaphragm is a barrier contraceptive device that is inserted into the vagina before sexual intercourse to prevent pregnancy. However, its effectiveness can be compromised by changes in the anatomy of the vaginal canal, cervix, and pelvic structures, such as those that occur after childbirth. After vaginal childbirth, the pelvic structures may undergo changes, including stretching and possible loss of tone. These changes can affect the fit and position of the diaphragm, leading to decreased contraceptive efficacy. Therefore, it's important for women who have given birth to have their diaphragm refitted by a healthcare provider before resuming its use.
Correct Answer is A
Explanation
Tertiary prevention programs focus on minimizing the impact of an existing disease or condition and preventing further complications or disability. In the context of cardiovascular disease, one of the goals of tertiary prevention is to provide prompt rehabilitation for clients who have incurred disease complications.
By ensuring that clients who experience complications promptly receive rehabilitation services, the program is effectively addressing the needs of these clients and providing appropriate interventions to minimize the long-term impact of the disease. This outcome indicates that the program is successful in providing the necessary care and support to clients with cardiovascular disease.
Client relapse rate of 30% in a 5-year community-wide anti-smoking campaign focuses on primary prevention rather than tertiary prevention.
At-risk clients receiving an increased number of routine health screenings may be an indicator of improved secondary prevention efforts, but it does not specifically measure the effectiveness of the tertiary prevention program for clients with cardiovascular disease.
Clients reporting new confidence in making healthy food choices is a positive outcome but does not directly reflect the effectiveness of the tertiary prevention program for cardiovascular disease.
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