Clinical Laboratory Science
Final Test Solutions
Course Introduction
Clinical Laboratory Science is an interdisciplinary field that focuses on the analysis of biological specimens to aid in the diagnosis, treatment, and prevention of disease. This course provides an in-depth understanding of laboratory procedures, instrumentation, and quality control measures essential for accurate clinical testing. Students will explore key disciplines such as hematology, clinical chemistry, microbiology, immunology, and transfusion medicine, learning both theoretical principles and hands-on techniques. Emphasis is placed on interpreting laboratory results, understanding their clinical significance, and maintaining safety and ethical standards in a healthcare setting.
Recommended Textbook
Basic and Applied Concepts of Immunohematology 2nd Edition by Kathy D. Blaney
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16 Chapters
393 Verified Questions
393 Flashcards
Source URL: https://quizplus.com/study-set/1436 Page 2
Chapter 1: Immunology: Basic Principles and Applications in the Blood Bank
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25 Verified Questions
25 Flashcards
Source URL: https://quizplus.com/quiz/28516
Sample Questions
Q1) What immunoglobulin class is capable of crossing the placenta?
A) IgM
B) IgA
C) IgE
D) IgG
Answer: D
Q2) Incubation step is not necessary
A)Indirect antiglobulin test
B)Direct antiglobulin test
C)Both the direct and indirect antiglobulin test
Answer: B
Q3) Select the region of the antibody molecule responsible for imparting unique antibody specificity.
A) Variable region
B) Constant region
C) Hinge region
D) Fc fragment
Answer: A
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Chapter 2: Blood Banking Reagents: Overview and Applications
in Immunohematology
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25 Verified Questions
25 Flashcards
Source URL: https://quizplus.com/quiz/28517
Sample Questions
Q1) Monoclonal antibodies are prepared in:
A) vitro.
B) vivo.
C) laboratory animals.
D) humans.
Answer: A
Q2) The evidence for reagent red cell deterioration may include which of the following?
A) Spontaneous agglutination
B) Significant hemolysis
C) Loss of agglutination strength over time
D) All of the above
Answer: D
Q3) Select the test that uses IgG-sensitized red cells (check cells).
A) Antiglobulin test
B) D-antigen typing
C) Rh-antigen typing
D) B-antigen detection
Answer: A
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Chapter 3: Genetic Principles in Blood Banking
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25 Verified Questions
25 Flashcards
Source URL: https://quizplus.com/quiz/28518
Sample Questions
Q1) The children of an AB mother and a B father could phenotype as all of the following except:
A) O.
B) A.
C) B.
D) AB.
Answer: A
Q2) Equal expression of two different inherited genes as in most blood group systems
A)Haplotypes
B)Recessive
C)Amorphic genes
D)Codominant genes
E)Polymorphic
Answer: D
Q3) Parents who are both phenotyped as group A cannot have a group O child.
A) True
B) False
Answer: B
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Chapter 4: Abo and H Blood Group Systems and Secretor
Status
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25 Verified Questions
25 Flashcards
Source URL: https://quizplus.com/quiz/28519
Sample Questions
Q1) Which of the following situations is most likely to cause intravascular hemolysis when an incompatible transfusion is given?
A) Group B packed cells to a group O recipient
B) Group A packed red cells to a group AB recipient
C) Group AB plasma to a group A recipient
D) Group AB plasma to a group O recipient
Q2) What would be the agglutination reaction of red cells from a Bombay phenotype with anti-H lectin?
A) Strong 4+
B) Mixed field
C) Weak 1+
D) Negative
Q3) The subgroup of A with the least amount of A antigen is:
A) A<sub>3</sub>.
B) A<sub>x</sub>.
C) A<sub>2</sub>.
D) A<sub>el</sub>.
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Page 6
Chapter 5: Rh Blood Group System
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26 Verified Questions
26 Flashcards
Source URL: https://quizplus.com/quiz/28520
Sample Questions
Q1) R<sup>z</sup>
A)Ce
B)CE
C)DCE
D)Dce
Q2) DCce
A)R<sub>1</sub>r
B)R<sub>1</sub>R<sub>1</sub>
C)R<sub>2</sub>R<sub>2</sub>
D)rr
Q3) ce
A)R<sub>1</sub>r
B)R<sub>1</sub>R<sub>1</sub>
C)R<sub>2</sub>R<sub>2</sub>
D)rr
Q4) r<sup>y</sup>
A)Ce
B)CE
C)DCE
D)Dce
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Chapter 6: Other Blood Group Systems
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25 Verified Questions
25 Flashcards
Source URL: https://quizplus.com/quiz/28521
Sample Questions
Q1) Antigen has a higher frequency in females
A)Cartwright
B)MNSs
C)Kidd
D)Bg
E)Xg<sup>a</sup>
F)Sd<sup>a</sup> antigen
G)Chido
H)Knops
I)Duffy
J)Vel
Q2) Red cells that phenotype as S-s- are also:
A) M-negative.
B) N-negative.
C) Tj<sup>a</sup>-negative.
D) U-negative.
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8
Chapter 7: Antibody Detection and Identification
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26 Verified Questions
26 Flashcards
Source URL: https://quizplus.com/quiz/28522
Sample Questions
Q1) Antibodies to low-incidence antigens include all of the following except:
A) anti-Vel.
B) anti-C<sup>w</sup>.
C) anti-V.
D) anti-Lu<sup>a</sup>.
Q2) DTT (dithiothreitol) would be useful in the identification of which of the following antibodies?
A) Anti-Js<sup>a</sup>
B) Anti-Kp<sup>b</sup>
C) Anti-Vel
D) Anti-K
Q3) An anti-Fy<sup>a </sup>was identified in a patient's serum. The patient's red cells phenotyped as Fy<sup>a</sup> positive using commercial antisera. The next step is to:
A) repeat the panel to confirm the antibody.
B) report the antibody because this result is normal.
C) investigate a recent transfusion history.
D) wash the cells and use monoclonal anti-Fy<sup>a</sup> antibodies.
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Page 9
Chapter 8: Compatibility Testing
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26 Verified Questions
26 Flashcards
Source URL: https://quizplus.com/quiz/28523
Sample Questions
Q1) A recipient phenotypes as group O with the following Rh phenotype: D+C+c-E+e+. If this recipient is transfused with red blood cells from six random group O D-positive donors, what Rh alloantibody could this patient produce as a result of transfusion?
A) Anti-E
B) Anti-C
C) Anti-c
D) Anti-D
Q2) If the recipient was transfused within the last 3 months, how long from the time of collection can a sample be used for the crossmatch?
A) 3 days
B) 5 days
C) 7 days
D) 10 days
Q3) What are the two components of the major crossmatch?
A) Recipient red cells and donor serum
B) Donor red cells and recipient serum
C) Reverse ABO cells and recipient serum
D) Screening cells and donor serum
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Chapter 9: Donor Selection and Phlebotomy
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15 Verified Questions
15 Flashcards
Source URL: https://quizplus.com/quiz/28524
Sample Questions
Q1) During the donor screening process, the potential donor's blood drop sinks to the bottom of the copper sulfate solution within 15 seconds. What is the interpretation of this test?
A) The hemoglobin is within limits; however, the hematocrit must be checked.
B) The donor has an acceptable hemoglobin and hematocrit to donate.
C) The donor is temporarily deferred.
D) The specific gravity of the copper sulfate is incorrect.
Q2) How often can a person donate a unit of whole blood for a directed donation?
A) 8 weeks
B) 2 weeks
C) 48 hours
D) 24 hours
Q3) If a prospective donor has participated in a plasmapheresis program, how long must he or she wait to donate whole blood?
A) 56 days
B) 48 hours
C) 24 hours
D) 4 weeks
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11
Chapter 10: Testing of Donor Blood
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25 Verified Questions
25 Flashcards
Source URL: https://quizplus.com/quiz/28525
Sample Questions
Q1) The most sensitive test for HIV is:
A) enzyme-linked assays.
B) chemiluminescence.
C) Western blot.
D) nucleic acid.
Q2) Which of the following products is tested for bacterial contamination following storage?
A) Cryoprecipitated AHF
B) Red blood cells, frozen
C) Platelets
D) Fresh frozen plasma
Q3) What is the true statement regarding West Nile virus testing?
A) Testing for West Nile virus is required only in New York and California.
B) Testing for West Nile virus is necessary only in the warmer months of the year.
C) West Nile virus testing is performed using nucleic acid testing on all donor units.
D) West Nile virus testing is optional.
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Chapter 11: Blood Component Preparation and Therapy
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24 Verified Questions
24 Flashcards
Source URL: https://quizplus.com/quiz/28526
Sample Questions
Q1) Frozen
A)21 days
B)35 days
C)42 days
D)10 years
E)28 days
F)24 hours
G)48 hours
H)72 hours
Q2) Leukoreduced (AS-3)
A)21 days
B)35 days
C)42 days
D)10 years
E)28 days
F)24 hours
G)48 hours
H)72 hours
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13
Chapter 12: Adverse Complications of Transfusions
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25 Verified Questions
25 Flashcards
Source URL: https://quizplus.com/quiz/28527
Sample Questions
Q1) A patient is observed to have a rise in temperature and chills during a transfusion. The transfusion is stopped, and a posttransfusion blood sample is carefully drawn. On receipt of this postreaction sample, the transfusion service should immediately:
A) observe the color of serum and perform an antibody screen.
B) observe the color of serum and perform a direct antiglobulin test.
C) perform an antibody screen and a direct antiglobulin test.
D) perform an antibody screen and a crossmatch.
Q2) An anaphylactic transfusion reaction is caused by __________ antibodies.
A) IgA
B) IgG
C) IgE
D) All of the above
Q3) A patient was identified as having cardiac insufficiency that needed a red blood cell transfusion. How should the transfusion be administered?
A) The red blood cell unit should be transfused slowly over a 4-hour period.
B) The unit should be transfused as whole blood.
C) Diuretics should be administered with the unit.
D) Transfusion should be avoided.
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14
Chapter 13: Hemolytic Disease of the Fetus and Newborn
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26 Verified Questions
26 Flashcards
Source URL: https://quizplus.com/quiz/28528
Sample Questions
Q1) Select the situation where the administration of Rh immune globulin would be contraindicated. MOTHER NEWBORN
A) r"r; no antibody detected R<sub>o</sub>r; direct antiglobulin test (DAT) negative
B) Rr; no antibody detected R<sub>1</sub>r; DAT negative
C) Rr; anti-E detected R<sub>2</sub>r; DAT positive
D) r"r; anti-D detected R<sub>2</sub>r: DAT positive
Q2) To identify the cause of suspected hemolytic disease of the fetus and newborn, which tests are performed?
A) ABO group
B) D testing
C) Direct antiglobulin test
D) All of the above
Q3) In testing amniotic fluid, the Liley method of predicting the severity of hemolytic disease of the fetus and newborn is based on:
A) colorimetric protein analysis.
B) optical density of bilirubin at 450 nm.
C) ratio of lecithin to sphingomyelin.
D) titration of antibody.
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Chapter 14: Transfusion Therapy in Selected Patients
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25 Verified Questions
25 Flashcards
Source URL: https://quizplus.com/quiz/28529
Sample Questions
Q1) Which of the following contributes to red cell loss in chronic renal disease?
A) Below normal erythropoietin levels
B) Shearing of red cells from kidney dialysis
C) Elevated uremia
D) All of the above
Q2) Reduce the risk of allergic reactions
A)Cryoprecipitated AHF
B)Fresh frozen plasma
C)Red blood cells
D)Platelets
E)Leukoreduced blood components
F)Washed red blood cells
G)Albumin/plasma protein fraction
H)Factor concentrates
I)Plasma, cryoprecipitate reduced
J)Irradiated blood products
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16
Chapter 15: Quality Assurance and Regulation of the Blood Industry
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25 Verified Questions
25 Flashcards
Source URL: https://quizplus.com/quiz/28530
Sample Questions
Q1) Audit
A)The CAP survey is an example
B)Systematic evaluations to determine whether procedures are being followed
C)Testing to determine the accuracy and precision of reagents and equipment
D)Process of standardizing an instrument against a known value
E)Removal of products from the market that might compromise the safety of the recipient
F)Degree to which a measurement represents the true value
G)Establishing that a specific process produces an expected result
H)Evaluation of an employee's ability to perform a specific skill
I)Investigation and identification of the factors that contributed to an error
J)Maximizes the duration of equipment and increases the reliability of the equipment
K)System to plan and implement changes to prevent problems
Q2) Plans that provide the framework for establishing quality assurance in an organization are:
A) current good manufacturing practices.
B) standard operating procedures.
C) change control plan.
D) continuous quality improvement plan.
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Chapter 16: Safety Issues in the Blood Bank
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25 Verified Questions
25 Flashcards
Source URL: https://quizplus.com/quiz/28531
Sample Questions
Q1) At what point in the employment process should safety training take place?
A) During orientation and training
B) Following lab training when employees are more familiar with their responsibilities
C) Following the employees' first evaluation
D) Before independent work is permitted and annually thereafter
Q2) Copper sulfate
A)Corrosive
B)Corrosive and toxic
C)Toxic and flammable
D)Irritant and sensitizer
E)Toxic and irritant
F)Irritant and corrosive
G)Irritant
Q3) Biosafety levels determine:
A) on what floor certain infectious disease testing can be performed.
B) the degree of risk for certain areas of a health care facility to exposure to infectious diseases.
C) the amount of ventilation required in a transfusion service.
D) how many biohazardous waste containers a laboratory must have.
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Page 18