NCLEX Practice Questions: Diagnostics
and Specimen Collection
Check Your Knowledge
A nurse is preparing a patient for a CT angiography. Which
statement indicates a need for further teaching?
“I will tell the nurse if I have any allergies to iodine.”
“I can eat a large meal right before the test.”
Correct: Eating a large meal before a contrast study is unsafe; NPO may
be required.
“I will remain still during the scan.”
“This test uses contrast to assess blood flow.”
Check Answer
Check Your Knowledge
A nurse is monitoring a patient after a bronchoscopy. Which
finding requires immediate action?
Mild sore throat
Drowsiness from sedation
Absence of gag reflex
Advising Chat
, Correct: The gag reflex must return before oral intake to prevent
aspiration.
Hoarseness
Check Answer
Check Your Knowledge
A patient is scheduled for a colonoscopy. Which instruction is most
important for the nurse to reinforce?
“A strict bowel prep and diet are required.”
Correct: A strict bowel prep and diet are essential for colonoscopy
visualization
“You may eat normally the morning of the test.”
“This test will only take a few minutes.”
“No consent form is needed.”
Check Answer
Check Your Knowledge
A nurse is caring for a patient during a 24-hour urine collection.
Which action ensures accuracy of the specimen?
Discarding the last urine at 24 hours Advising Chat
, Collecting only the first morning specimen
Stopping the collection at bedtime
Keeping the container refrigerated or on ice
Correct: Urine must be refrigerated or on ice during collection to preserve
sample integrity
Check Answer
Check Your Knowledge
A patient is scheduled for a bone marrow aspiration. What is the
nurse’s priority during the procedure?
Explaining NPO status
Checking gag reflex
Keeping the patient still and positioned correctly
Correct: Patient must remain still during aspiration to prevent injury .
Assisting with bowel prep
Check Answer
Check Your Knowledge
The nurse reviews a urinalysis result. Which factor may
Advising Chat
compromise specimen accuracy?
and Specimen Collection
Check Your Knowledge
A nurse is preparing a patient for a CT angiography. Which
statement indicates a need for further teaching?
“I will tell the nurse if I have any allergies to iodine.”
“I can eat a large meal right before the test.”
Correct: Eating a large meal before a contrast study is unsafe; NPO may
be required.
“I will remain still during the scan.”
“This test uses contrast to assess blood flow.”
Check Answer
Check Your Knowledge
A nurse is monitoring a patient after a bronchoscopy. Which
finding requires immediate action?
Mild sore throat
Drowsiness from sedation
Absence of gag reflex
Advising Chat
, Correct: The gag reflex must return before oral intake to prevent
aspiration.
Hoarseness
Check Answer
Check Your Knowledge
A patient is scheduled for a colonoscopy. Which instruction is most
important for the nurse to reinforce?
“A strict bowel prep and diet are required.”
Correct: A strict bowel prep and diet are essential for colonoscopy
visualization
“You may eat normally the morning of the test.”
“This test will only take a few minutes.”
“No consent form is needed.”
Check Answer
Check Your Knowledge
A nurse is caring for a patient during a 24-hour urine collection.
Which action ensures accuracy of the specimen?
Discarding the last urine at 24 hours Advising Chat
, Collecting only the first morning specimen
Stopping the collection at bedtime
Keeping the container refrigerated or on ice
Correct: Urine must be refrigerated or on ice during collection to preserve
sample integrity
Check Answer
Check Your Knowledge
A patient is scheduled for a bone marrow aspiration. What is the
nurse’s priority during the procedure?
Explaining NPO status
Checking gag reflex
Keeping the patient still and positioned correctly
Correct: Patient must remain still during aspiration to prevent injury .
Assisting with bowel prep
Check Answer
Check Your Knowledge
The nurse reviews a urinalysis result. Which factor may
Advising Chat
compromise specimen accuracy?
