A nurse is reinforcing teaching with a newly licensed nurse about a nonrebreather mask. Which of the following

instructions should the nurse include?

Choice A reason: While it is important to save the specimen in a clean container, this is not a preparatory action for
obtaining the specimen.

Choice B reason: Rinsing the client's mouth before collecting the specimen is the correct answer because it helps to remove food particles and bacteria that could contaminate the sample.

Choice C reason: Collecting a sputum specimen after a meal is not recommended as it may be contaminated by food particles.

Choice D reason: The time of day is less important than the preparation of the client; however, early morning is usually preferred for collecting a sputum specimen as it tends to be more concentrated after a night's rest.

Choice A reason: The small intestine is not the starting point of the digestive process. It is where most of the digestion and absorption of nutrients occurs after the food has been processed in the stomach.

Choice B reason: The rectum is the final section of the large intestine, where feces are stored before being expelled. It is not involved in the initial stages of digestion.

Choice C reason: The stomach is involved in the early stages of digestion, particularly in the breakdown of proteins, but it is not the starting point. Food enters the stomach after being ingested through the mouth.

Choice D reason: The mouth is the correct starting location for the digestive process. Here, ingestion takes place, and mechanical digestion begins with chewing, while chemical digestion starts with enzymes in the saliva breaking down carbohydrates.