KAPLAN DIAGNOSTIC EXAM QUESTIONS AND ANSWERS WITH RATIONALES|WELL
STRUCTURED|100% PASS 2025/2026
QUESTIONS ANSWERS
The nurse is assisting a client with a
diagnostic test. Which role should the
nurse expect to perform in the intratest
Answer: 2
phase?
Explanation: 2. Collecting the specimen
comes during the intratest phase.
1. Assess the data.
2. Collect the specimen.
3. Observe the client.
4. Prepare the client.
The nurse is teaching a client with heart
Answer: 1
failure about diagnostic tests. Which test
Explanation: 1. The specific blood test
should the nurse emphasize in this
to detect and guide treatment for heart
teaching?
failure is the BNP test. B-type natriuretic
1. BNP peptide is secreted primarily by the left
2. CBC ventricle in response to increased ven-
3. LDH tricular volume and pressure.
4. PKU
The nurse is reviewing laboratory results
for a client. Which diagnostic study de- Answer: 3
termines how well blood glucose levels Explanation: 3. The glycosylated hemo-
have been controlled in the client? globin or hemoglobin A1c (HbA1c) is a
measurement of blood glucose that is
1. Blood chemistry bound to hemoglobin. Hemoglobin A1c
2. Capillary blood glucose is a reflection of how well blood glucose
3. Hemoglobin A1c levels have been controlled.
4. Serum electrolytes
Which return demonstration by a client
indicates that teaching about performing
a blood glucose monitoring test has been Answer: 4
effective? Explanation: 4. One of the first steps the
client would perform is hand washing for
1. The client punctures the fingertip. infection control.
2. The client puts on gloves.
3. The client smears the blood on the
reagent strip.
4. The client washes the hands.
, KAPLAN DIAGNOSTIC EXAM QUESTIONS AND ANSWERS WITH RATIONALES|WELL
STRUCTURED|100% PASS 2025/2026
QUESTIONS ANSWERS
A client asks the nurse, "Why do I have
to monitor my blood glucose levels?"
What is an appropriate response from Answer: 3
the nurse? Explanation: 3. Blood glucose monitor-
ing improves diabetes management. By
1. "Because your doctor ordered it." testing one's blood, one can change the
2. "If I were you, I would monitor the insulin regimen to maintain a normal
blood glucose when I didn't feel good." glycemic range.
3. "Monitoring your blood glucose better
enables you to manage your diabetes."
4. "You can eat anything you want."
What is the responsibility of the nurse
when collecting a specimen from a
Answer: 2
client?
Explanation: 2. The nurse should handle
the specimen discreetly to avoid embar-
1. Always accompany the client to collect
rassing the client.
a specimen.
2. Handle the specimen discreetly.
3. Clean technique should be used with
all specimen collection.
4. Use day-old specimens.
A client is prescribed a diagnostic test re- Answer: 1
quiring a 24-hour stool specimen. What Explanation: 1. The nurse needs to col-
should this test indicate to the nurse? lect and send the total quantity of stool
expelled at one time instead of a small
1. Analyze the stool for dietary products sample so that the specimen can be an-
and digestive secretions. alyzed for dietary products and digestive
2. Detect the presence of bacteria or secretions.
viruses.
3. Detect the presence of ova and para-
sites.
4. Determine the presence of occult
blood.
A client is being treated for tuberculosis,
and the doctor writes an order to collect a Answer: 2
sputum specimen. What is the rationale Explanation: 2. The reason for this doc-
behind this order? tor's order is to assess if the therapy or-
STRUCTURED|100% PASS 2025/2026
QUESTIONS ANSWERS
The nurse is assisting a client with a
diagnostic test. Which role should the
nurse expect to perform in the intratest
Answer: 2
phase?
Explanation: 2. Collecting the specimen
comes during the intratest phase.
1. Assess the data.
2. Collect the specimen.
3. Observe the client.
4. Prepare the client.
The nurse is teaching a client with heart
Answer: 1
failure about diagnostic tests. Which test
Explanation: 1. The specific blood test
should the nurse emphasize in this
to detect and guide treatment for heart
teaching?
failure is the BNP test. B-type natriuretic
1. BNP peptide is secreted primarily by the left
2. CBC ventricle in response to increased ven-
3. LDH tricular volume and pressure.
4. PKU
The nurse is reviewing laboratory results
for a client. Which diagnostic study de- Answer: 3
termines how well blood glucose levels Explanation: 3. The glycosylated hemo-
have been controlled in the client? globin or hemoglobin A1c (HbA1c) is a
measurement of blood glucose that is
1. Blood chemistry bound to hemoglobin. Hemoglobin A1c
2. Capillary blood glucose is a reflection of how well blood glucose
3. Hemoglobin A1c levels have been controlled.
4. Serum electrolytes
Which return demonstration by a client
indicates that teaching about performing
a blood glucose monitoring test has been Answer: 4
effective? Explanation: 4. One of the first steps the
client would perform is hand washing for
1. The client punctures the fingertip. infection control.
2. The client puts on gloves.
3. The client smears the blood on the
reagent strip.
4. The client washes the hands.
, KAPLAN DIAGNOSTIC EXAM QUESTIONS AND ANSWERS WITH RATIONALES|WELL
STRUCTURED|100% PASS 2025/2026
QUESTIONS ANSWERS
A client asks the nurse, "Why do I have
to monitor my blood glucose levels?"
What is an appropriate response from Answer: 3
the nurse? Explanation: 3. Blood glucose monitor-
ing improves diabetes management. By
1. "Because your doctor ordered it." testing one's blood, one can change the
2. "If I were you, I would monitor the insulin regimen to maintain a normal
blood glucose when I didn't feel good." glycemic range.
3. "Monitoring your blood glucose better
enables you to manage your diabetes."
4. "You can eat anything you want."
What is the responsibility of the nurse
when collecting a specimen from a
Answer: 2
client?
Explanation: 2. The nurse should handle
the specimen discreetly to avoid embar-
1. Always accompany the client to collect
rassing the client.
a specimen.
2. Handle the specimen discreetly.
3. Clean technique should be used with
all specimen collection.
4. Use day-old specimens.
A client is prescribed a diagnostic test re- Answer: 1
quiring a 24-hour stool specimen. What Explanation: 1. The nurse needs to col-
should this test indicate to the nurse? lect and send the total quantity of stool
expelled at one time instead of a small
1. Analyze the stool for dietary products sample so that the specimen can be an-
and digestive secretions. alyzed for dietary products and digestive
2. Detect the presence of bacteria or secretions.
viruses.
3. Detect the presence of ova and para-
sites.
4. Determine the presence of occult
blood.
A client is being treated for tuberculosis,
and the doctor writes an order to collect a Answer: 2
sputum specimen. What is the rationale Explanation: 2. The reason for this doc-
behind this order? tor's order is to assess if the therapy or-
