Medical Laboratory Technology Review
Questions
Course Introduction
Medical Laboratory Technology is a comprehensive course designed to introduce students to the principles and practices of clinical laboratory science. It covers essential topics such as the collection, processing, and analysis of biological specimens, laboratory safety, instrumentation, and quality assurance. Students will gain hands-on experience with diagnostic techniques in hematology, microbiology, biochemistry, immunology, and pathology. The course emphasizes the importance of accuracy, ethical standards, and collaboration within the healthcare system, preparing graduates to play a crucial role in patient diagnosis, treatment, and public health monitoring.
Recommended Textbook
Blood Collection A Short Course 3rd Edition by Marjorie Schaub Di Lorenzo
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8 Chapters
410 Verified Questions
410 Flashcards
Source URL: https://quizplus.com/study-set/3882 Page 2
Chapter 1: Introduction to Blood Collection
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33 Verified Questions
33 Flashcards
Source URL: https://quizplus.com/quiz/77344
Sample Questions
Q1) Centers for Medicare & Medicaid Services is the laboratory regulating agency that is made up of laboratory,industry,and government personnel.
A)True
B)False
Answer: False
Q2) A major safety concern when processing samples is the:
A) production of aerosols.
B) use of transfer systems.
C) autoclaving of samples.
D) volume and type of sample.
Answer: A
Q3) For purposes of accreditation,clinical laboratories may be inspected by which of the following?
A) College of American Pathologists (CAP)
B) The Joint Commission (TJC)
C) Commission on Laboratory Assessment (COLA)
D) All of the above
Answer: D
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Chapter 2: Venipuncture Equipment
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57 Verified Questions
57 Flashcards
Source URL: https://quizplus.com/quiz/77343
Sample Questions
Q1) Which of the following pairings is incorrect?
A) Icteric and yellow
B) Lipemic and cloudy
C) Hemolyzed and red
D) Fasting and cloudy
Answer: D
Q2) Which of the following tubes contains an anticoagulant that does not bind calcium?
A) Light blue
B) Green
C) Gray
D) Lavender
Answer: B
Q3) To obtain a serum sample for a stat test on a patient receiving anticoagulant therapy,the recommended tube is:
A) green.
B) gold.
C) orange.
D) red.
Answer: C
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Page 4
Chapter 3: Venipuncture Techniques
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88 Verified Questions
88 Flashcards
Source URL: https://quizplus.com/quiz/77342
Sample Questions
Q1) Which of the following is performed first when the last tube is collected?
A) Gauze is placed over the needle.
B) The filled tube is removed from the holder.
C) The needle is removed.
D) Pressure is applied to the site.
Answer: B
Q2) Samples that require mixing should be inverted after they have been labeled.
A)True
B)False
Answer: False
Q3) Hyperextending the patient's arm may make vein location more difficult.
A)True
B)False
Answer: True
Q4) Prolonged application of a tourniquet will cause:
A) excessive bleeding.
B) difficulty locating a vein.
C) hemolysis.
D) clotting.
Answer: C
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Chapter 4: Preexamination Variables and Venipuncture
Complications
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51 Verified Questions
51 Flashcards
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Sample Questions
Q1) When locating a venipuncture site in a geriatric patient,which of the following techniques are acceptable?
A) Applying heat
B) Using a blood pressure cuff
C) Swabbing the area with alcohol
D) All of the above
Q2) Older patients are more prone to hematoma formation because:
A) they have smaller veins.
B) tourniquets must be tied tighter.
C) their veins have decreased elasticity.
D) they have difficulty making a fist.
Q3) The best choice of equipment for venipuncture from a geriatric or pediatric patient with small fragile veins is a:
A) 23-gauge needle and a winged blood collection set with a syringe.
B) 23-gauge needle,a winged blood collection set,and evacuated tubes.
C) 21-gauge needle and a small syringe.
D) 25-gauge needle and an evacuated tube.
Q4) It is not necessary to allow the alcohol to dry before blood collection.
A)True
B)False
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Chapter 5: Special Blood Collection
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65 Verified Questions
65 Flashcards
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Sample Questions
Q1) Following arterial sample collection,pressure is applied to the puncture site for:
A) 2 minutes by the blood collector.
B) 2 minutes by the blood collector or patient.
C) 3 to 5 minutes by the blood collector.
D) 10 minutes by the blood collector or patient.
Q2) A blood collector on the evening shift draws a sample for cold agglutinins and places it in the refrigerator for the morning shift.Test results of this sample will:
A) be falsely decreased.
B) be falsely increased.
C) be unaffected.
D) represent the patient's true condition.
Q3) When performing a glucose tolerance test (GTT),the fasting blood sample is tested before the patient drinks the glucose.
A)True
B)False
Q4) Blood cultures should be mixed after collection.
A)True
B)False
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Chapter 6: Dermal Puncture
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58 Verified Questions
58 Flashcards
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Sample Questions
Q1) Amber-colored Microtainer tubes are used to collect samples for:
A) glucose.
B) thyroid tests.
C) platelet counts.
D) bilirubin.
Q2) Puncture devices should be firmly placed on the skin before activation.
A)True
B)False
Q3) Order of collection for a hematocrit,blood smear,and glucose by dermal puncture is:
A) hematocrit,glucose,and blood smear.
B) blood smear,hematocrit,and glucose.
C) glucose,hematocrit,and blood smear.
D) glucose,blood smear,and hematocrit.
Q4) Using a lancet that produces a puncture deeper than recommended may cause:
A) septicemia.
B) hemolysis.
C) osteomyelitis.
D) sample contamination.
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8
Chapter 7: Point-Of-Care Testing
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31 Verified Questions
31 Flashcards
Source URL: https://quizplus.com/quiz/77338
Sample Questions
Q1) Clinical Laboratory Improvement Amendments (CLIA) requires documentation of competency assessment for personnel performing point-of- care testing (POCT).
A)True
B)False
Q2) Operators must memorize all test procedures for point-of-care testing (POCT).
A)True
B)False
Q3) Which of the following is a hematology point-of-care test (POCT)?
A) Hemoglobin
B) Hematocrit
C) Erythrocyte sedimentation rate
D) All of the above
Q4) Proficiency testing is required for which levels of Clinical Laboratory Improvement Amendments (CLIA) complexity?
A) Provider-performed microscopy procedures (PPMP)
B) Moderate
C) High
D) All of the above
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9
Chapter 8: Blood Collection From Vascular Access Devices
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27 Verified Questions
27 Flashcards
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Sample Questions
Q1) Blood sample collection from a peripheral vascular access device:
A) is only performed at the time of insertion.
B) is performed prior to administration of medications.
C) uses syringes and a transfer device.
D) All of the above
Q2) Central venous catheters (CVCs) are threaded into the superior vena cava.
A)True
B)False
Q3) Which of the following is classified as a tunneled catheter?
A) Broviac
B) Hickman
C) Groshong
D) All of the above
Q4) When drawing blood from a central venous catheter (CVC):
A) a syringe larger than 20 mL must be used.
B) heparin is first injected into the catheter.
C) the first 5 mL of blood is always discarded.
D) a double- or triple-lumen catheter must be present.
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