5000 Plus MCQs for Lab Technician and Technologists are designed to test the knowledge and proficiency of laboratory professionals who work in the field of clinical laboratory science. These questions cover a wide range of topics related to laboratory science, including anatomy, physiology, microbiology, chemistry, and hematology.
451 to 500 MCQs for Lab Technician and Technologist Exam Preparation
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Questions 451 to 500
Which is Important for ABO antigen?
- a) H Substance
- b) I Substance
- c) Alfo antigen
- d) Beta antigen
Blue color of antisera A is due to ?
- a) Trypan Blue
- b) Methylene Blue
- c) Cynide
- d) None of “a”, “b” and “c”
D Antigen is also called as ?
- a) Rh+ve
- b) Rh-Ve
- c) Bombay Blood Group
- d) RH Antigen
O Negative is Universal ?
- a) Donor
- b) Recipient
- c) Donor as well as Recipient
- d)All (a, b, & c) Options
Removal of Specific Component of blood for human body by process of –
- a) Apheresis
- b) Centrifuge
- c) Both “a” & “b” Options
- d) None of “a” & “b”
Platelet Rich Plasma Prepare in how much hour after collection ?
- a) 24 Hours
- b) 8 Hours
- c) 6 Hours
- d) Any time but should be referigerated
Centrifuge whole blood in low speed give us ?
- a) PRP (Platelet-Rich Plasma)
- b) PPP (Platelet-Poor Plasma)
- c) PC (Packed Cells)
- d) WBC (White Blood Cells)
Fresh Frozen Plasma store for –
- a) 5 Years at -70°C
- b) 1 Year at -18°C
- c) 24 hours at -20°C
- d) 71 hours at Room Temperature
1 Unit rise Hb
- a) 1%
- b) 0.1%
- c) 10%
- d) 5%
How often we donate blood ?
- a) After 24 hours
- b) After 3 Hours
- c) After 3 Months
- d) After 6 Months
What is an Advantage of apheresis?
- a) Avoid Circulatory Overload
- b) Avoid Iron Overload
- c) Different Blood Components to Different Patients
- d) Save Multiple Life
- e) All (a, b, & c) Options
The minimum Hematocrit for an autologous blood donor is?
- a) 35%
- b) 33%
- c) 32%
- d) 36%
Donor samples must be stored in transfusion service for what period of time after transfusion?
- a) 2 weeks
- b) 3 days
- c) 7 days
- d) 1 month
An individual who has recently been diagnosed with syphilis is deferred for?
- a) 2 weeks
- b) Permanently
- c) 4 weeks
- d) 1 year
Which of the following is the minimum weight for routine blood donor?
- a) 9 lbs
- b) 100 lbs
- c) 90 lbs
- d) 110 lbs
Which one of the following tests is performed by the blood center to prevent disease transmission?
- a) ABO Typing
- b) Hb
- c) HbsAg
- d) HCT
Fresh frozen plasma can be utilized till?
- a) 35 days
- b) 6 hours
- c) 24 hours
- d) 1 year
Individual with blood group have both Anti-A and Anti-B antibodies in serum?
- a) Group A
- b) Group B
- c) Group AB
- d) Group O
Agglutination with both Anti-A and Anti-B typing indicates the blood group is?
- a) A
- b) B
- c) AB
- d) O
Blood containing neither antigen A nor B is which of the following group?
- a) A
- b) B
- c) AB
- d) O
Both parents are group AB. Which of the following are possible in offspring?
- a) Group A
- b) Group B
- c) Group AB
- d) All (a, b, & c) Options
Why are transfusions given?
- a) To increase the amount of blood
- b) To increase the blood’s ability to carry oxygen
- c) To decrease the risk of bleeding
- d) All (a, b, & c) Options
___ cannot be a reason for transfusion reaction?
- a) Hemolyzed Blood
- b) Compatible Blood
- c) Mismatched Blood
- d) Infected Blood
What is the minimum you should weigh to donate blood?
- a) 100 pounds
- b) 110 pounds
- c) 115 pounds
- d) 125 pounds
How often can a donor give blood?
- a) At any time
- b) Every 2 months
- c) Every 3 months
- d) Every 6 months
How much blood usually is donated at a time?
- a) 1 pint
- b) 2 pints
- c) 1 quart
- d) 2 quarts
What are the common risks of donating blood?
- a) Contract common viruses
- b) Bacterial infection
- c) Low blood pressure
- d) None of (a, b, & c) Options
Donated blood undergoes screening for which diseases?
- a) AIDS
- b) Viral hepatitis
- c) Diabetes
- d)“a” & “b” Options
An advisory panel of experts has suggested that anyone who received transfusions before March 1992 be screened for which of these diseases?
- a) AIDS
- b) Hepatitis C
- c) Mononucleosis
- d) Leukemia
Which is the most common blood type among Americans?
- a) O positive
- b) O negative
- c) AB positive
- d) AB negative
In ABO Blood Grouping antigen is present on __ and antibody is present on __?
- a) Antigen on Red cells, Antibodies in Serum
- b) Antigen on Serum, Antibodies on Red cells
- c) Both Present on Red cells
- d) Both Present in Serum
Red cells in Grouping are used as?
- a) Known cells react with unknown serum
- b) Unknown cells react with known serum
- c) Unknown cells react with known cells
- d) None of (a, b, & c) Options
A normal healthy man can donate blood after how many months?
- a) 2 Months
- b) 3 Months
- c) 6 Months
- d) After 1 Year
To check compatibility reaction, Patient Serum and donor cells are used in which type of Cross Match?
- a) Major Cross Match
- b) Minor Cross Match
- c) Both “a” & “b” Options
- d) None of “a” & “b” optiuons
A donor is considered as deferred if donor is?
- a) Having Diarrhea
- b) Hepatitis A
- c) HIV Positive
- d) All (a, b, & c) Options
If mother is Rh-negative, in second pregnancy indirect antibody test is used to detect?
- a) IgG antibody
- b) IgM antibody
- c) Sensitized RBCs in mother blood
- d) Sensitized antibodies in mother serum
A person having Blood group O contains antibodies?
- a) Anti A Only
- b) Anti B Only
- c) Anti A and Anti B
- d) Anti D Only
Hemolytic Disease of Newborn is manifested when?
- a) Mother is Rh Positive, Baby is Rh Negative
- b) Mother is Rh Positive, Baby is Rh Positive
- c) Mother is Rh Negative, Baby is Rh Positive
- d) Mother is Rh Negative, Baby is Rh Negative
Blood grouping was discovered by scientist in 1900. Name was?
- a) Charles Richard Drew
- b) Alexander S. Weiner
- c) Karl Landsteiner
- d) None of (a, b, & c) Options
Donor Serum and patient Cells are used in which type of Cross-match?
- a) Minor Cross Match
- b) Major Cross Match
- c) Both “a” and “b” options
- d) None of “a” & “b” options
In Hemolytic Disease of Newborn, Direct Coombs test is used to detect?
- a) Sensitized antibodies in patient serum
- b) IgG antibodies
- c) Sensitized RBCs in patient serum
- d) IgM antibodies
A person having Blood Group AB Positive is?
- a) Universal Donor
- b) Universal Recipient
- c) Both “a” and “b” options
- d) None of “a” & “b” Options
A donor will not be considered as permanently deferred if donor has?
- a) HIV Positive
- b) Hepatitis A
- c) Hepatitis B
- d) Hepatitis C
Antisera A color is __ and Antisera B color is __?
- a) Blue and Yellow
- b) Yellow and Blue
- c) Blue and Red
- d) Yellow and Red
Most fetal incompatibility causes?
- a) Iron deficiency Anemia
- b) Macrocytic anemia
- c) Leukemia
- d) Hemolytic Disease of Newborn
Which of the following is present in Cryoprecipitate?
- a) Factor XI
- b) Factor V
- c) Factor X
- d) Factor VIII
Which immunoglobulin is involved in the delayed hemolytic reaction?
- a) IgG
- b) IgM
- c) IgD
- d) IgE
The D antigen is present in?
- a) Platelets
- b) RBCs
- c) WBCs
- d) All (a, b, & c) Options
What are the hepatitis viruses screened in donor blood?
- a) A and B
- b) B and C
- c) A and C
- d) A, B and C
___ cannot be a reason for transfusion reaction?
- a) Hemolyzed Blood
- b) Compatible Blood
- c) Mismatched Blood
- d) Infected Blood
Answer Key Summary
The questions are typically designed to assess the technical skills and knowledge required for the laboratory profession, including the ability to analyze laboratory test results, perform laboratory procedures, and maintain laboratory equipment.
To prepare for these MCQs, candidates should have a thorough understanding of the key concepts and principles of laboratory science. They should also be familiar with common laboratory equipment and procedures, as well as laboratory safety protocols.
Candidates may also benefit from studying specific laboratory science textbooks or taking online courses that cover the material tested in the MCQs. Additionally, practicing sample MCQs and reviewing the answers can help candidates identify areas where they may need to improve their knowledge or skills.
Overall, the MCQs for lab technologists are designed to be challenging and comprehensive, requiring candidates to demonstrate a high level of proficiency in the field of laboratory science.
Kindly correct Q.No.452 the blue colour of antisera A Is due to Methylene Blue
Thanks for Correction
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In mock test antisera A have blue clr due to trypan blue plz correct it