A Physician Orders a 70% He:30% O₂ Mixture to Reduce

question 49

Multiple Choice

A physician orders a 70% He:30% O₂ mixture to reduce the work of breathing in a patient having an acute asthmatic attack. Which of the following delivery systems would be appropriate in this case?

• A)adult O₂ tent at 15 L/min
• B)aerosol mask at 12 L/min
• C)nasal cannula at 6 L/min
• D)nonrebreathing mask at 10 L/min

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Definitions:

Breast Milk

The milk produced by the human mammary glands, providing optimal nutrition and immune protection to infants.

Antibodies

Proteins produced by the immune system to neutralize or destroy foreign substances like bacteria and viruses.

Formula

A mathematical relationship or rule expressed in symbols, or a set sequence of steps, used for solving a particular problem.

Breast-feeding

The practice of feeding a baby with milk directly from the mother's breast, providing essential nutrients and antibodies.