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A nurse is preparing to administer acetaminophen 10 mg/kg/dose to a child who weighs 28 lb.

The amount available is acetaminophen 120 mg/5 mL.

How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

 

A.

Step 1 is to convert the child's weight from pounds to kilograms: 28 lb ÷ 2.2 lb/kg = 12.727 kg.

B.

​​​​​​​Step 2 is to calculate the dose: 10 mg/kg × 12.727 kg = 127.27 mg.

C.

Step 3 is to determine how many mL is needed: 127.27 mg ÷ (120 mg/5 mL) = 5.3029 mL.

D.

Step 4 is to round to the nearest tenth: 5.3 mL. Final answer: 5.3 mL

Question Solution

Correct Answer : A,B,C,D

Step 1 is to convert the child's weight from pounds to kilograms: 28 lb ÷ 2.2 lb/kg = 12.727 kg.

Step 2 is to calculate the dose: 10 mg/kg × 12.727 kg = 127.27 mg.

Step 3 is to determine how many mL is needed: 127.27 mg ÷ (120 mg/5 mL) = 5.3029 mL.

Step 4 is to round to the nearest tenth: 5.3 mL. Final answer: 5.3 mL


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View Related questions

Correct Answer is A

Explanation

Choice A rationale

Preterm newborns have underdeveloped mechanisms for thermoregulation, making it difficult for them to maintain stable body temperatures without external assistance.

Choice B rationale

Preterm newborns do not sweat significantly because their sweat glands are not fully developed; thus, this rationale is incorrect.

Choice C rationale

Preterm newborns actually have a larger body surface area relative to their weight, contributing to their difficulty in maintaining body temperature.

Choice D rationale

Preterm newborns have insufficient brown fat, not an excess, which impairs their ability to generate heat effectively.

Correct Answer is A

Explanation

Choice A rationale

Proximodistal development refers to growth from the center of the body outward to the extremities. An infant grabbing with their whole hand (palmar grasp) before developing a

pincer grasp demonstrates this pattern, as they gain control of arm movements before fine motor skills in the fingers.

Choice B rationale

Cephalocaudal development refers to growth from head to toe, such as gaining control over head and neck muscles before the limbs. This does not directly explain the grasping

behavior described.

Choice C rationale

Distoproximal is not a recognized term in developmental science and does not describe a growth pattern.

Choice D rationale

Top-to-bottom is another way of describing cephalocaudal development but does not specifically address the described behavior in grasping development. .

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