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

451. Which is Important for ABO antigen ?
     1. H Substance ✔
     2. I Substance
     3. Alfo antigen
     4. Beta antigen
452. Blue color of antisera A is due to ?
     1. Trypan Blue ✔
     2. Methylene Blue
     3. Cynide
     4. None of Above
453. D Antigen is also called as ?
     1. Rh+ve
     2. Rh-Ve
     3. Bombay Blood Group
     4. RH Antigen ✔
454. O Negative is Universal ?
     1. Donor ✔
     2. Recipient
     3. Donor as well as Recipient
     4. All of above
455. Removal of Specific Component of blood for human body by process of –
     1. Apheresis ✔
     2. Centrifuge
     3. All of above
     4. None of above
456. Platelet Rich Plasma Prepare in how much hour after collection ?
     1. 24 Hours
     2. 8 Hours
     3. 6 Hours ✔
     4. Any time but should be referigerated
457. Centrifuge whole blood in low speed give us ?
     1. PRP (Platelet-Rich Plasma) ✔
     2. PPP (Platelet-Poor Plasma)
     3. PC (Packed Cells)
     4. WBC (White Blood Cells)
458. Fresh Frozen Plasma store for –
     1. 5 Years at -70°C
     2. 1 Year at -18°C✔
     3. 24 hours at -20°C
     4. 71 hours at Room Temperature
459. 1 Unit rise Hb
     1. 1% ✔
     2. 0.1%
     3. 10%
     4. 5%
460. How often we donate blood ?
     1. After 24 hours
     2. After 3 Hours
     3. After 3 Months ✔
     4. After 6 Months

461. What is an Advantage of apheresis ?
     1. Avoide Circulatory Overload
     2. Avoide Iron Overload
     3. Different Blood Componants to Different patients
     4. Save Multiple Life
     5. All of above ✔
462. The minimum Hematocrit for an antologus blood donor is ?
     1. 35%
     2. 33% ✔
     3. 32%
     4. 36%
463. Donor Samples must be stored in transfusion service foe what period of time after Transfudion ?
     1. 2 weeks
     2. 3 days
     3. 7 days ✔
     4. 1 month
464. An individual who has recently been diagnosis with syphilis is deferred for ?
     1. 2 weeks
     2. Permanently
     3. 4 weeks
     4. 1 year ✔
465. Which of the following is the minimum weight for routien blood donor ?
     1. 9 lbs
     2. 100 lbs
     3. 90 lbs
     4. 110 lbs ✔
466. Which one of the following test is performed by the blood center to prevent disease transmission ?
     1. ABO Typing
     2. Hb
     3. Hbsag ✔
     4. HCT
467. Fresh frozen plasma can be utilize till ?
     1. 35 days
     2. 6 hours
     3. 24 hours
     4. 1 year ✔
468. Individual with Blood Group have both Anti-A and Anti-B antobodies in serum ?
     1. Group A
     2. Group B
     3. Group AB
     4. Group O ✔
469. Agglutination with both Anti-A and Anti-B typing indicates the blood group is ?
     1. A
     2. B
     3. AB ✔
     4. O
470. Blood containing neither antigen A nor B is which of the following Group ?
     1. A
     2. B
     3. AB
     4. O ✔
471. Both parent are group AB which of the following are possible in offspring ?
     1. Group A
     2. Group B
     3. Group AB
     4. All of above ✔
472. Why are transfusions given?
     1. To increase the amount of blood
     2. To increase the blood’s ability to carry oxygen
     3. To decrease the risk of bleeding
     4. All of the above ✔
473. Which parts of the blood can be transfused?
     1. Whole blood
     2. Platelets
     3. Red blood cells
     4. All of the above ✔
474. What is the minimum you should weigh to donate blood?
     1. 100 pounds
     2. 110 pounds ✔
     3. 115 pounds
     4. 125 pounds
475. How often can a donor give blood?
     1. At any time
     2. Every 2 months
     3. Every 3 months ✔
     4. Every 6 months
476. How much blood usually is donated at a time?
     1. 1 pint ✔
     2. 2 pints
     3. 1 quart
     4. 2 quarts
477. What are the common risks of donating blood?
     1. Contract common viruses
     2. Bacterial infection
     3. Low blood pressure
     4. None of the above ✔
478. Donated blood undergoes screening for which diseases?
     1. AIDS
     2. Viral hepatitis
     3. Diabetes
     4. 1 and 2 ✔
479. An advisory panel of experts has suggested that anyone who received transfusions before March 1992 be screened for which of these diseases?
     1. AIDS
     2. Hepatitis C ✔
     3. Mononucleosis
     4. Leukemia
480. Which is the most common blood type among Americans?
     1. O positive ✔
     2. O negative
     3. AB positive
     4. AB negative

481. In ABO Blood Grouping antigen is present on __ and antibody in present on __ ?
     1. Antigen on Red cells, Antobodies in Serum ✔
     2. Antigen on Serum, Antobodies on Red cells
     3. Both Present on Red cells
     4. Both Present in Serum
482. Red cells in Grouping Used as ?
     1. Known cells reacts with unknown serum
     2. Unknown cells reacts with known serum ✔
     3. Unknown cells reacts with known Cells
     4. Non of the above
483. A normal healthy man can donate blood after how many months ?
     1. 2 Months
     2. 3 Months ✔
     3. 6 Months
     4. After 1 Year
484. To Check Compatibility reaction, Patient Serum and donor cells is used in which type of Cross Match ?
     1. Major Cross Match ✔
     2. Minor Cross match
     3. Both 1 and 2
     4. None of above
485. A donor is considered as defferred if donor is ?
     1. Havind Diahorrea
     2. Hepatitis A
     3. HIV Positive ✔
     4. All of the above
486. If mother is Rh- Negative, in second pregnancy indirect antibody test is used to detect ?
     1. IgG antibody
     2. IgM antibody
     3. Sensitized RBCs in mother blood
     4. Sensitized antibodies in mother serum ✔
487. A person having Blood group O containing antibodies ?
     1. Anti A Only
     2. Anti B Only
     3. Anti A and Anti B ✔
     4. Anti D only
488. Hemolytic Disease of new born in manifested ?
     1. Mother is Rh Positive, Baby is Rh Negative
     2. Mother is Rh Positive, Baby is Rh Positive
     3. Mother is Rh Negative, Baby is Rh Positive ✔
     4. Mother is Rh Negative, Baby is Rh Negative
489. Blood grouping is discovered by scientist in 1990 name was ?
     1. Charles Richard Drew
     2. Alexander S, Weiner
     3. Karl Landsteiner ✔
     4. None of the above
490. Donor Serum and patient Cells are used in which type of Cross-match ?
     1. Minor Cross match ✔
     2. Major Cross Match
     3. Both 1 and 2
     4. None of above
491. In hemolytic disease of new born, Direct coombs test is used to detect ?
     1. Sensitized antobodies in patients serum
     2. IgG antibodies
     3. Sensitized RBCs in patient serum ✔
     4. IgM antibodies
492. A person having Blood Group AB Positive is ?
     1. Universal Donor
     2. Universal Recipient ✔
     3. Both 1 and 2
     4. None of above
493. A donor will not be considered as permanent defferred if donor have ?
     1. HIV Positive
     2. Hepatitis A ✔
     3. Hepatitis B
     4. Hepatitis C
494. Antisera A Color is __ and Antisera B color is __ ?
     1. Blue and Yellow ✔
     2. Yellow and Blue
     3. Blue and Red
     4. Yellow and Red
495. Most fetal incompatibility Causing ?
     1. Iron deficiency Anemia
     2. Macrocytic anemia
     3. Leukemia
     4. Hemolytic Disease of new born ✔
496. Which of the following is present in Cryoprecipitate?
     1. Factor XI
     2. Factor V
     3. Factor X
     4. Factor VIII ✔
497. Which immunoglobuline is involved in the delayed hemolytic reaction ?
     1. IgG ✔
     2. IgM
     3. IgD
     4. IgE
498. The D antigen is present in ?
     1. Platelets
     2. RBCs ✔
     3. WBCs
     4. None of these
499. What are the hepatitis virus screened in donor blood ?
     1. A and B
     2. B and C ✔
     3. A and C
     4. A, B and C
500. ___ cannot be a reason for transfusion reaction ?
     1. Hemolyzed Blood
     2. Compatible Blood ✔
     3. Mismatched blood
     4. Infected blood

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.

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