FREE AND STUDY GAMES ABOUT BLD BANK INTERN PCKT

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FREE AND STUDY GAMES ABOUT BLD BANK INTERN PCKT

EXAM QUESTIONS

Qs and Ans Expert- Explanation

This Exam contains:

-Guarantee passing score -118 Questions and Answers -format set of multiple-choice -Expert- Explanation Question 1: What is the most common reason for a-positive Rh control tube when using a high protein anll~l» reagent?

• bacterial contamination b.hypotonic saline solution
• positiveDAT
• overreading of agglutination

Answer:

positive DAT Question 2: To determine the presence of a red blood cell antiQpdy in a patient sample, what source of antigen is selected?

• commercial reagent red blood cells
• commercial antisera
• patient serum
• patient plasma

Answer:

commercial RBC's

Question 3: To determine the presence of red blood cell antigen in a patient sample, what source of antibody is selected?' . ..'

• commercial reagent red blood cells b.commercial antisera
• patient serum
• patient plasma

Answer:

commerical antisera Question 4: Autologous units may be given to other patients if they aren't used for the patient who donated it? True or False

Answer:

False Question 5: The procedure that removes intact antibodies from red blood cell membranes is:

• autoadsorption
• differential adsorption
• neutralization
• elution

Answer:

• elution

Question 6: A high school student; 17-year-old female; taking Acutane for acne

Answer:

TD Question 7: The term used when two of the same forms of a gene are inherited from each parent

is:

• homozygous
• allele
• heterozygous
• syntenic

Answer:

• homozygous

Question 8: Which of the following genotypes is heterogeneous for the C antigen?

• Rlr
• RlRl
• RIRI
• r'r'

Answer:

• Rlr

Question 9: The Rh genotype CDE/cDE is written in Wiener notation as:

• RoRI
• RyR2
• R2Rl
• RzR2

Answer:

• RzR2

Question 10: Pat. RBC's: 4+ anti-A, 4+ anti-B serum with reagent RBC's: 1+ a1, 0

• a. group 0
• group AB
• discrepant results; patient has A antigen on RBC's with anti-A in serum d discrepant results;

patient has B antigen on RBC's w/ 0 anti-B in serum

Answer:

discrepant results; patient has A antigen on RBC's with anti-A in serum Question 11: The only component that requires crossmatching is a unit of red blood cells.

Answer:

False Question 12: In Rosenfeld notation the phenotype of a donor may be written as Rh: 1, -2, -3, 4,

• What is the correct phenotype in Fischer-Race (CDE) notation? a.JcDe
• CcDe
• CcDE
• CDEe

Answer:

cDe Question 13: HAV transmission through a blood transfusion is unusual because it is:

• transmitted enterically
• an acute hepatitis
• not infective after 2 weeks
• all of the above

Answer:

all of the above

Question 14: Which of the following describes the expression of most blood group inheritance?

• dominant
• recessive
• sex-linked
• codominant

Answer:

codominant

Question 15: Which of the following genotypes could make anti-Ce?

• RlRl
• RIRo
• RIRl
• r'r

Answer:

• RlRl

Question 16: Which is true regarding compatibility testing for infants under 4 months of age?

• a DAT is req'd
• a crossmatch is needed when antibody screen is neg
• maternal serum can be used for crossmatch d testing for ABO antibodies is req'd for the

infant

Answer:

• maternal serum can be used for crossmatch

Question 17: An antibody was detected in the antibody screen at 37C and did not react at the AHG phase. Which of the following should be suspected?

• anti-S
• anti-E
• anti-N
• anti-Jk(a)

Answer:

• anti-N

Question 18: A 21-year-old male; received tattoo in the service4 months age.

Answer:

TD