Mosby’s Canadian Manual of Diagnostic and Laboratory Tests
2nd Edition Pagana Test Bank
Pagana: Mosby’s Canadian Manual of Diagnostic and Laboratory Tests,
2nd Canadian Edition
Practice Test
1. Which of these instructions should a nurse give an elderly, dehydrated patient after
computed tomography (CT) of the kidney with intravenous iodine contrast material?
a. Drink plenty of fluids for 24 hours
b. Avoid heavy lifting for 2 days
c. Use a laxative to clear the contrast from the bowel
d. None of the above
2. For a patient with severe bone destruction from tumour or osteomalacia, what serum
laboratory results would the nurse expect to assess?
a. Decreased serum alkaline phosphatase (ALP) level
b. Increased serum ALP level
c. Decreased erythrocyte sedimentation rate
d. Increased red blood cell count
3. A patient’s laboratory reports indicate the presence of Bence-Jones proteins. These levels
are increased in the urine of patients who have:
a. Multiple myeloma
b. Carcinoid syndrome
c. Breast cancer
d. Colorectal cancer
4. A patient is admitted for evaluation of perforated diverticulitis. Which of the following is
the most appropriate test?
a. CT of the abdomen
b. Barium enema
c. Colonoscopy
d. All the above
5. Blood urea nitrogen (BUN) levels may be abnormally low in which patients?
a. Overly hydrated patients
b. Patients with liver disease
c. Malnourished patients in negative nitrogen balance
d. All the above
6. The serum creatinine level is usually elevated in patients with which of the following?
a. Renal disease
b. Liver disease
c. Lung disease
d. Muscular disease
7. A patient presents with upper gastrointestinal bleeding from a suspected peptic ulcer.
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,Which of the following is the most appropriate test?
a. Upper gastrointestinal radiography
b. Gastric bleeding scan
c. Esophagogastroduodenoscopy (EGD)
d. None of the above
8. A patient is admitted with abdominal pain. Ultrasonography of the abdomen, CT of the
abdomen, and a barium enema study have been ordered. In what order should these tests be
performed?
a. Ultrasonography, barium enema, CT
b. Ultrasonography, CT, barium enema
c. Barium enema, CT, ultrasonography
d. CT, barium enema, ultrasonography
9. A patient is scheduled for a cardiac exercise stress test to evaluate chest pain. While
obtaining the patient history, the clinician notes that the patient has intermittent claudication
when walking two blocks. On the basis of this finding, which of the following is indicated?
a. The test will be performed as scheduled
b. The test is contraindicated because of the intermittent claudication
c. The test will be rescheduled after resolution of the claudication
d. The patient is a candidate for the dipyridamole-thallium (nonexercise) stress test
10. A patient is scheduled for a cardiac catheterization. Which of the following activities is a
postprocedure nursing priority?
a. Ambulating the patient
b. Encouraging coughing and deep-breathing exercises
c. Keeping the patient on NPO status (nothing by mouth)
d. Keeping the involved extremity immobilized
11. One of the blood studies used to detect a myocardial infarction is creatine kinase (CK).
What value is most helpful for diagnosing a myocardial infarction?
a. Total CK
b. Isoenzyme CK-MM
c. Isoenzyme CK-MB
d. Isoenzyme CK-BB
12. During a patient’s exercise stress test, his blood pressure drops and he complains of
feeling dizzy. What should the nurse do?
a. Encourage the patient to take deep breaths
b. Terminate the test immediately
c. Take the vital signs
d. Lay the patient flat
13. A patient had a lipid profile documented and asks about her results. Which of the
following is considered the ideal high-density lipoprotein (HDL)/total cholesterol ratio?
a. 1:2
b. 1:3
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, c. 1:4
d. 1:5
14. A patient underwent a tuberculin skin test 48 hours ago. He returns to the clinic for the
nurse to read the test results. Which of the following is considered a positive result?
a. A reddened area measuring 20 mm
b. A flat, red area measuring 10 mm
c. An indurated area measuring 8 mm
d. An indurated area measuring 12 mm
15. A patient with diabetes was taken to the emergency department. His arterial blood gas
results were as follows:
pH: 7.25
Partial pressure of carbon dioxide (PCO2): 38 mm Hg
HCO3- 19 mmol/L
Partial pressure of oxygen (PO2): 95 mm Hg
What do these results indicate?
a. Respiratory acidosis
b. Respiratory alkalosis
c. Metabolic acidosis
d. Metabolic alkalosis
16. A patient has just returned from the endoscopy suite, where he underwent bronchoscopy.
Which of the following is not a nursing priority after the procedure?
a. Observing the sputum for N hemRorrI
hagG
e
b. Monitoring the vital signs frequently
c. Observing the patient closely for laryngospasm
d. Encouraging cool fluids to comfort his throat
17. What is the best time of the day for obtaining a sputum specimen?
a. Early morning
b. After breakfast
c. Evening
d. The time does not matter
18. A patient is scheduled for magnetic resonance imaging (MRI). Which of the following
factors is a contraindication to this procedure?
a. Iodine allergy
b. Severe visual impairment
c. Cardiac pacemaker
d. None of the above
19. Which of the following activities should be avoided before electroencephalography
(EEG)?
a. Washing the hair the night before the procedure
b. Taking anticonvulsant medications
c. Drinking caffeinated fluids such as regular coffee, tea, or cola
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, d. None of the above
20. After a lumbar puncture, a nursing priority is to prevent a spinal headache. Which of the
following activities is to be avoided?
a. Ambulating the patient in the room
b. Drinking fluids through a straw
c. Keeping the patient on bed rest
d. Keeping the patient’s head flat
21. A patient is scheduled for lumbar puncture. Which of the following conditions is a
contraindication to this procedure?
a. Meningitis
b. Neurosyphilis
c. Multiple sclerosis
d. Increased intracranial pressure (ICP)
22. Which of the following statements regarding a glycosylated hemoglobin test is false?
a. The test provides an accurate long-term index of the patient’s average blood glucose
level.
b. The test aids in determining the duration of hyperglycemia in a patient with newly
diagnosed diabetes.
c. No fasting is required for this test.
d. Short-term physiologic variations (e.g., those caused by food intake, exercise, and
stress) affect the test result.
23. A patient has an elevated glucose level. Which of the following factors in his history may
cause hyperglycemia?
a. Insulinoma
b. Corticosteroid therapy
c. Hypothyroidism
d. Addison’s disease
24. Cortisol levels normally rise and fall during the day. This fluctuation is referred to as the
diurnal variation. At what time of the day are levels the highest?
a. 8 AM
b. Noon
c. 4 PM
d. Midnight
25. Symptoms that may indicate hypocalcaemia include which of the following?
a. Nausea, vomiting, and anorexia
b. Polyuria and dehydration
c. Muscle weakness and coma
d. Tetany and carpal pedal spasms
26. A patient has been diagnosed with primary hypothyroidism. Her triiodothyronine (T3)
and thyroxine (T4) levels are decreased. What would a clinician expect the
PRIMEXAM.COM
2nd Edition Pagana Test Bank
Pagana: Mosby’s Canadian Manual of Diagnostic and Laboratory Tests,
2nd Canadian Edition
Practice Test
1. Which of these instructions should a nurse give an elderly, dehydrated patient after
computed tomography (CT) of the kidney with intravenous iodine contrast material?
a. Drink plenty of fluids for 24 hours
b. Avoid heavy lifting for 2 days
c. Use a laxative to clear the contrast from the bowel
d. None of the above
2. For a patient with severe bone destruction from tumour or osteomalacia, what serum
laboratory results would the nurse expect to assess?
a. Decreased serum alkaline phosphatase (ALP) level
b. Increased serum ALP level
c. Decreased erythrocyte sedimentation rate
d. Increased red blood cell count
3. A patient’s laboratory reports indicate the presence of Bence-Jones proteins. These levels
are increased in the urine of patients who have:
a. Multiple myeloma
b. Carcinoid syndrome
c. Breast cancer
d. Colorectal cancer
4. A patient is admitted for evaluation of perforated diverticulitis. Which of the following is
the most appropriate test?
a. CT of the abdomen
b. Barium enema
c. Colonoscopy
d. All the above
5. Blood urea nitrogen (BUN) levels may be abnormally low in which patients?
a. Overly hydrated patients
b. Patients with liver disease
c. Malnourished patients in negative nitrogen balance
d. All the above
6. The serum creatinine level is usually elevated in patients with which of the following?
a. Renal disease
b. Liver disease
c. Lung disease
d. Muscular disease
7. A patient presents with upper gastrointestinal bleeding from a suspected peptic ulcer.
PRIMEXAM.COM
,Which of the following is the most appropriate test?
a. Upper gastrointestinal radiography
b. Gastric bleeding scan
c. Esophagogastroduodenoscopy (EGD)
d. None of the above
8. A patient is admitted with abdominal pain. Ultrasonography of the abdomen, CT of the
abdomen, and a barium enema study have been ordered. In what order should these tests be
performed?
a. Ultrasonography, barium enema, CT
b. Ultrasonography, CT, barium enema
c. Barium enema, CT, ultrasonography
d. CT, barium enema, ultrasonography
9. A patient is scheduled for a cardiac exercise stress test to evaluate chest pain. While
obtaining the patient history, the clinician notes that the patient has intermittent claudication
when walking two blocks. On the basis of this finding, which of the following is indicated?
a. The test will be performed as scheduled
b. The test is contraindicated because of the intermittent claudication
c. The test will be rescheduled after resolution of the claudication
d. The patient is a candidate for the dipyridamole-thallium (nonexercise) stress test
10. A patient is scheduled for a cardiac catheterization. Which of the following activities is a
postprocedure nursing priority?
a. Ambulating the patient
b. Encouraging coughing and deep-breathing exercises
c. Keeping the patient on NPO status (nothing by mouth)
d. Keeping the involved extremity immobilized
11. One of the blood studies used to detect a myocardial infarction is creatine kinase (CK).
What value is most helpful for diagnosing a myocardial infarction?
a. Total CK
b. Isoenzyme CK-MM
c. Isoenzyme CK-MB
d. Isoenzyme CK-BB
12. During a patient’s exercise stress test, his blood pressure drops and he complains of
feeling dizzy. What should the nurse do?
a. Encourage the patient to take deep breaths
b. Terminate the test immediately
c. Take the vital signs
d. Lay the patient flat
13. A patient had a lipid profile documented and asks about her results. Which of the
following is considered the ideal high-density lipoprotein (HDL)/total cholesterol ratio?
a. 1:2
b. 1:3
PRIMEXAM.COM
, c. 1:4
d. 1:5
14. A patient underwent a tuberculin skin test 48 hours ago. He returns to the clinic for the
nurse to read the test results. Which of the following is considered a positive result?
a. A reddened area measuring 20 mm
b. A flat, red area measuring 10 mm
c. An indurated area measuring 8 mm
d. An indurated area measuring 12 mm
15. A patient with diabetes was taken to the emergency department. His arterial blood gas
results were as follows:
pH: 7.25
Partial pressure of carbon dioxide (PCO2): 38 mm Hg
HCO3- 19 mmol/L
Partial pressure of oxygen (PO2): 95 mm Hg
What do these results indicate?
a. Respiratory acidosis
b. Respiratory alkalosis
c. Metabolic acidosis
d. Metabolic alkalosis
16. A patient has just returned from the endoscopy suite, where he underwent bronchoscopy.
Which of the following is not a nursing priority after the procedure?
a. Observing the sputum for N hemRorrI
hagG
e
b. Monitoring the vital signs frequently
c. Observing the patient closely for laryngospasm
d. Encouraging cool fluids to comfort his throat
17. What is the best time of the day for obtaining a sputum specimen?
a. Early morning
b. After breakfast
c. Evening
d. The time does not matter
18. A patient is scheduled for magnetic resonance imaging (MRI). Which of the following
factors is a contraindication to this procedure?
a. Iodine allergy
b. Severe visual impairment
c. Cardiac pacemaker
d. None of the above
19. Which of the following activities should be avoided before electroencephalography
(EEG)?
a. Washing the hair the night before the procedure
b. Taking anticonvulsant medications
c. Drinking caffeinated fluids such as regular coffee, tea, or cola
PRIMEXAM.COM
, d. None of the above
20. After a lumbar puncture, a nursing priority is to prevent a spinal headache. Which of the
following activities is to be avoided?
a. Ambulating the patient in the room
b. Drinking fluids through a straw
c. Keeping the patient on bed rest
d. Keeping the patient’s head flat
21. A patient is scheduled for lumbar puncture. Which of the following conditions is a
contraindication to this procedure?
a. Meningitis
b. Neurosyphilis
c. Multiple sclerosis
d. Increased intracranial pressure (ICP)
22. Which of the following statements regarding a glycosylated hemoglobin test is false?
a. The test provides an accurate long-term index of the patient’s average blood glucose
level.
b. The test aids in determining the duration of hyperglycemia in a patient with newly
diagnosed diabetes.
c. No fasting is required for this test.
d. Short-term physiologic variations (e.g., those caused by food intake, exercise, and
stress) affect the test result.
23. A patient has an elevated glucose level. Which of the following factors in his history may
cause hyperglycemia?
a. Insulinoma
b. Corticosteroid therapy
c. Hypothyroidism
d. Addison’s disease
24. Cortisol levels normally rise and fall during the day. This fluctuation is referred to as the
diurnal variation. At what time of the day are levels the highest?
a. 8 AM
b. Noon
c. 4 PM
d. Midnight
25. Symptoms that may indicate hypocalcaemia include which of the following?
a. Nausea, vomiting, and anorexia
b. Polyuria and dehydration
c. Muscle weakness and coma
d. Tetany and carpal pedal spasms
26. A patient has been diagnosed with primary hypothyroidism. Her triiodothyronine (T3)
and thyroxine (T4) levels are decreased. What would a clinician expect the
PRIMEXAM.COM
