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Rationale: The normal range for oxygen saturation is 95-100%. A value below 90%
indicates hypoxemia, which can lead to tissue hypoxia and organ damage. The
patient with COPD may have a lower baseline oxygen saturation, but any drop
below 90% should be reported and treated promptly.
2. A 45-year-old female patient with type 2 diabetes mellitus is scheduled for a
colonoscopy. She asks the nurse how to manage her diabetes medications before
the procedure. What is the best response by the nurse?
a) "You should take your usual dose of oral antidiabetic agents the night before and
skip them on the day of the procedure."*
b) "You should stop taking your oral antidiabetic agents three days before the
procedure and monitor your blood glucose closely."
c) "You should take half of your usual dose of oral antidiabetic agents the night
before and the morning of the procedure."
d) "You should continue taking your oral antidiabetic agents as prescribed until the
day of the procedure and then resume them after the procedure."
Rationale: The patient should take her usual dose of oral antidiabetic agents the
night before and skip them on the day of the procedure to avoid hypoglycemia
during fasting. She should also check her blood glucose before and after the
procedure and resume her medications as instructed by the provider.
3. A 32-year-old male patient with a history of schizophrenia is brought to the
emergency department by his family. He has been non-compliant with his
antipsychotic medication for several weeks and is experiencing auditory
hallucinations, paranoia, and agitation. The nurse administers a dose of haloperidol
intramuscularly as ordered by the provider. What is the most important nursing
action after giving the medication?
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