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Respiratory Therapist

Category - Initiation and Modification of Interventions

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What size endotracheal tube is appropriate for a full-term infant weighing 3800 grams.

2.5 Fr tube
3.0 Fr tube
3.5 Fr tube
4.0 Fr tube

Explanation

Answer: D-The optimal size tube for a 3800-gram infant is 4.0 Fr.

A 2.5 Fr tube should be used for an infant weighing less than 1250 grams. A 3.0 Fr tube should be used for an infant weighing 1251-2000 grams. A 3.5 Fr tube would be utilized for infants weighing 2001-3500 grams.

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