An infant who weighs 22 lb receives a prescription for amoxicillin 20 mg/kg/day PO 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.)

Answer and Explanation

The Correct Answer is ["1.3"]

To calculate the dosage of amoxicillin for the infant, first convert the weight from pounds to kilograms, knowing that 1 kilogram equals 2.2 pounds. The infant weighs 22 pounds, which is equivalent to 10 kilograms (22 lb / 2.2 lb/kg). The prescription is for 20 mg/kg/day, so the total daily dosage is 200 mg (10 kg * 20 mg/kg). This total daily dosage is divided into three doses, as it is to be administered every 8 hours, resulting in

66.7 mg per dose (200 mg / 3). The medication is supplied as 250 mg per 5 mL, so to find out how many mL per dose, set up a proportion: 250 mg is to 5 mL as 66.7 mg is to X mL. Solving for X gives us 1.334 mL (66.7 mg * 5 mL / 250 mg), which rounds to 1.3 mL when rounded to the nearest tenth.

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Correct Answer is D

Explanation

A. Lorazepam is not indicated for preventing Wernicke's syndrome.

B. Famotidine is a histamine-2 blocker used to reduce stomach acid secretion and treat gastritis symptoms but does not prevent Wernicke's syndrome.
C. Atenolol is a beta-blocker used to treat hypertension and angina, not to prevent Wernicke's syndrome.
D. Thiamine supplementation is essential in individuals with chronic alcohol abuse to prevent Wernicke's syndrome, which is caused by thiamine deficiency.

A. Hard, painless nodule over metatarsophalangeal joint of first toe. B. Erythema and edema at the base of the left great toe. C. Decreased response to pain discrimination on dorsal surface of foot. D. Painful corns and calluses over hammer toes on both feet.

Correct Answer is B

Explanation

A. A hard, painless nodule may indicate a deformity but is not an emergency.

B. Erythema and edema at the base of the left great toe could indicate an infection, such as cellulitis, which requires immediate intervention to prevent complications.
C. Decreased response to pain discrimination suggests neuropathy, which is concerning but not immediately life-threatening.
D. Painful corns and calluses are chronic issues that need management but are not urgent.

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Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client is admitted to a medical unit with a diagnosis of gastritis and chronic heavy alcohol abuse. Which medication should the nurse administer to prevent the development of Wernicke's syndrome?

Correct Answer is D

Explanation

The nurse is assessing the feet of a client with type 1 diabetes mellitus. Which finding requires immediate intervention by the nurse?

Correct Answer is B

Explanation

106 A client with a fracture of the right femur has had skeletal traction applied. Which intervention should the nurse include in the client's nursing care plan?

Patient Data Exhibits Click to select the 5 most important nursing interventions for postoperative client care.

The nurse observes an unlicensed assistive personnel (UAP) applying an alcohol-based hand rub while leaving a client's room after taking vital signs. Which action should the nurse take?

A nurse is planning care for a 10-year-old child who will be hospitalized for an extended period of time. Which of the following actions should the nurse include in the plan of care to meet the client's psychosocial needs according to Erikson?

A client receives a prescription for acetaminophen 1,000 mg PO every 8 hours PRN for pain. The bottle is labeled "Acetaminophen for Oral Suspension, USP 500 mg per 15 mL." How many tablespoons should the nurse instruct the client to take with each dose? (Enter numerical value only.)

Four hours after surgery, a client reports nausea and begins to vomit. The nurse notes that the client has a scopolamine transdermal patch applied behind the ear. Which action should the nurse take?