A nurse is preparing to administer amoxicillin 30 mg/kg/day divided doses every 12 hr to a toddler who weighs 33 lb. Available is amoxicillin 200 mg/5 mL suspension. How many mL should the nurse administer every 12 hr? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
5 mL
5.6 mL
0.5 mL
6 mL
The Correct Answer is B
Given:
Ordered dose of amoxicillin: 30 mg/kg/day divided every 12 hours
Toddler's weight: 33 lbs
Concentration of amoxicillin suspension: 200 mg/5 mL
Step 1: Convert the toddler's weight from pounds to kilograms:
1 pound (lb) = 0.453592 kilograms (kg)
Weight in kg = 33 lbs x 0.453592 kg/lb = 14.968 kg
Step 2: Calculate the total daily dose of amoxicillin:
Total daily dose (mg) = Ordered dose (mg/kg/day) x Weight (kg)
Total daily dose (mg) = 30 mg/kg/day x 14.968 kg
Total daily dose (mg) = 449.04 mg/day
Step 3: Calculate the dose per administration:
Since the medication is given every 12 hours, there are 2 administrations per day.
Dose per administration (mg) = Total daily dose (mg) / Number of administrations per day
Dose per administration (mg) = 449.04 mg/day / 2 administrations/day
Dose per administration (mg) = 224.52 mg
Step 4: Calculate the volume to be administered:
Volume (mL) = Dose per administration (mg) / Concentration (mg/mL)
Volume (mL) = 224.52 mg / (200 mg/5 mL)
Volume (mL) = 224.52 mg x (5 mL / 200 mg)
Volume (mL) = 5.613 mL
Step 5: Round to the nearest tenth:
Volume (mL) ≈ 5.6 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","D"]
Explanation
A) The healthcare provider's order
While the healthcare provider's order is crucial for ensuring that the correct drug and dosage are administered, it is not something that would be written on the reconstituted drug label. The reconstituted drug label is intended to communicate specific information about the reconstitution process and the product's current status, but the order itself is typically not part of this information.
B) Diluent
When reconstituting a medication, it is essential to note the diluent used. The diluent refers to the liquid used to mix the powdered medication and turn it into a solution or suspension. Including this information on the drug label ensures that anyone handling the medication can verify the proper solution used for reconstitution, which is important for both correct administration and stability of the drug.
C) Date to discard
After a medication has been reconstituted, it often has a limited shelf life, and it is important to write the date to discard on the drug label. This ensures that the medication is used within its recommended time frame to avoid potential degradation or loss of potency. The discard date is especially important in hospitals or clinics where drugs are prepared in advance.
D) Initials
The nurse should always include their initials on the reconstituted drug label. This serves as a means of accountability, allowing others to know who prepared the medication. It also helps ensure proper identification in case of questions or errors regarding the preparation.
Correct Answer is B
Explanation
A) There is an increased risk of hyperthyroidism:
High levels of LDL cholesterol are not associated with hyperthyroidism. Hyperthyroidism is a condition related to an overactive thyroid gland, which affects metabolism and hormone levels but does not directly impact LDL cholesterol levels.
B) There is an increased risk of heart disease:
LDL cholesterol, often referred to as "bad cholesterol," contributes to the buildup of fatty plaques in the walls of arteries, a process known as atherosclerosis. This buildup can narrow and harden the arteries, leading to reduced blood flow and increasing the risk of heart disease, including conditions such as coronary artery disease, heart attack, and stroke. High LDL levels are considered one of the most significant modifiable risk factors for cardiovascular disease.
C) There is the possibility of digestive problems:
While very high cholesterol levels can sometimes contribute to the formation of gallstones, high LDL cholesterol levels are not directly linked to digestive problems. The primary concern with high LDL is its contribution to cardiovascular disease rather than digestive health.
D) There is an increased risk of rhabdomyolysis:
Rhabdomyolysis is a condition caused by the breakdown of muscle tissue, which can lead to the release of muscle proteins into the bloodstream. While certain medications used to lower cholesterol, such as statins, can cause muscle pain and, in rare cases, lead to rhabdomyolysis, high LDL itself is not a direct cause of rhabdomyolysis. The main health concern with high LDL is its contribution to heart disease.
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