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A client diagnosed with cystitis has been given a prescription for phenazopyridine (Pyridium) for symptom relief. What important information should the nurse include in reinforcing the patient teaching.

Expired air has more than 100 times more _______ than air inspired from the environment.

The _______, or windpipe, is located anterior to the esophagus.

Blood vessels and nerves enter and leave the lung at the _______.

Impulses from the medulla reach the diaphragm by way of the _______ nerves.

During inspiration, when the volume of the lungs increases, _______.

Breathing is regulated by _______.

Hemoglobin forms a weak bond with ________ to be transported in the blood.

Alveoli are coated by a thin film of _______, a substance that prevents the alveoli from collapsing.

All of the following pairs are synonymous except _______.