A nurse is preparing to administer a metered dose inhaler (MDI) medication to a client.
Which of the following actions should the nurse take?
Ask the client to hold their breath for 2 seconds after inhalation.
Wash the MDI canister in warm water after each use.
Ask the client to inhale the medication quickly for 1 second.
Shake the MDI prior to administration.
The Correct Answer is D
Choice A rationale
Clients should be instructed to hold their breath for about 10 seconds after inhalation, not 2 seconds. This allows the medication to reach deeper into the lungs.
Choice B rationale
The MDI canister should not be washed after each use. Instead, it should be cleaned regularly to ensure proper functioning and avoid medication buildup.
Choice C rationale
Clients should be instructed to inhale the medication slowly and deeply over a few seconds, rather than quickly for 1 second. This ensures proper delivery of the medication to the lungs.
Choice D rationale
Shaking the MDI prior to administration is essential. This action mixes the medication evenly, ensuring that the correct dose is delivered with each puff.
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Correct Answer is C
Explanation
Choice C rationale
The large intestine absorbs water and electrolytes from the remaining indigestible food matter, forming and eliminating solid waste (stool). This absorption process is vital for
maintaining the body's fluid and electrolyte balance.
Choice A rationale
The large intestine does not produce vitamin D; this occurs in the skin when exposed to sunlight. The large intestine’s primary functions are absorption and waste formation.
Choice B rationale
Preventing the reflux of food into the esophagus is the function of the lower esophageal sphincter, not the large intestine. The large intestine deals with waste processing rather than regulating esophageal function.
Choice D rationale
The secretion of digestive enzymes is a function of the pancreas, stomach, and small intestine. The large intestine does not secrete enzymes but focuses on absorbing water and electrolytes.
Correct Answer is D
Explanation
Choice A rationale
Blood in the urine (hematuria) is not a typical finding in urinary retention. It may indicate other conditions such as infection, stones, or malignancy.
Choice B rationale
Cloudy urine is often a sign of infection, not typically associated with urinary retention. It can be caused by the presence of bacteria, white blood cells, or crystals.
Choice C rationale
Dark-colored urine can result from dehydration or certain foods and medications. It is not a specific finding of urinary retention.
Choice D rationale
Leakage of urine, also known as overflow incontinence, can occur in urinary retention. This happens when the bladder becomes overly full, and small amounts of urine leak out due to the pressure.