Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
33 Cards in this Set
- Front
- Back
|
Polyspecific antihuman globulin contains
|
anti-IgG and anti-C3d
|
|
|
Rouleaux is a false-positive reaction that would likely be observed during which tests?
|
Weak D test
|
|
|
A person whose red cells type as M+N+ with antisera would be
|
a heterozygote
|
|
|
Could parents who are both phenotyped as group A have a group O child?
|
yes
|
|
|
If anti-M was reacted with red cells that are M+N+, how would they compare with red cells that are M+N?
|
Weaker
|
|
|
What type of inheritance pattern does a father that carries the Xga blood group trait and passes it on to all of his daughters but to none of his sons demonstrates?
|
X-linked dominant
|
|
|
Which marker that is used for paternity test provides the most useful statistical value?
|
Human Leukocyte antigen typing
|
|
|
Mitosis results in how many chromosomes?
|
two cells with the same number of chromosomes as the original
|
|
|
When does crossing over occur?
|
Meiosis
|
|
|
When an individual is said to be group A, it refers to the individual's:
|
Phenotype
|
|
|
What is an advantage of Nucleic Acid Testing (NAT) for viral marker testing?
|
A small amount of DNA or RNA can be detected
|
|
|
Autosomal means
|
A trait that is not carried on the sex chromosomes
|
|
|
What must be true when using the Hardy-Weinberg equation to calculate genetic frequencies?
|
The population statistics must be large, mutation, mating must be random
|
|
|
If two traits were found to occur higher in a population together than each occurs separately, they may be linked
|
The genes are close together on the same chromosome
|
|
|
What is the approximate probability of finding a compatible unit of blood for a Dpositive patient with antibodies to C, E, and K, if the frequency of C is 70%, E, 30%, and K
|
2 out of 10
|
|
|
Most blood group systems are inherited as
|
Autosomal Codominant
|
|
|
The linked HLA genes on each chromosome are inherited as
|
Haplotype
|
|
|
How are the short pieces of single-stranded DNA in the PCR reaction that are complementary and mark the sequence to be amplified called?
|
Primers
|
|
|
Hematopoietic progenitor cell engraftment evaluation following a transplant evaluates which specific markers in the recipient
|
Similarities and differences of short tandem repeats of DNA
|
|
|
Which ABO phenotype selection contains the most H antigen and the least H antigen, respectively, on the red cell's surface?
|
O, A(1)B
|
|
|
How is the test procedure that combines patient's serum with commercial Al and B reagent red cells called?
|
ABO reverse grouping
|
|
|
The appropriate strategy if the results of red cell and serum testing in the ABO typing procedure have negative agglutination reactions is |
Incubate tubes at room temperature or 4 degrees C with an auto control |
|
|
The agglutination reaction of red cells from a Bombay phenotype with anti-H lectin would be
|
Negative
|
|
|
Which situation is most likely to cause intravascular hemolysis when an incompatible transfusion is given? |
Group B packed cells to a group O recipient |
|
|
What is the most likely discrepancy on a blood sample from a 90-year-old man that was submitted to the blood bank for a type and screen before surgery. The forward type demonstrates as a group A, whereas the reverse type appears to be group AB.
|
That the patient has low-titer isoagglutinins
|
|
|
Most "naturally occurring" ABO system antibodies fall into class
|
IgM
|
|
|
What substances are found in the saliva of a group A person who also inherited the secretor gene?
|
A, H
|
|
|
What percentage of the group A population are type A2?
|
20%
|
|
|
What is the percentage of individuals who demonstrate H in their saliva?
|
80%
|
|
|
Which reagent is used to distinguish between an Al and A2 blood type?
|
Dolichos biflorus lectin
|
|
|
What is the subgroup of A with the least amount of A antigen?
|
Ael
|
|
|
Why is it sometimes necessary to distinguish Al and A2 blood types?
|
To resolve a discrepancy between the forward and reverse typing
|
|
|
The immunodominant sugar that corresponds to Group A is
|
N-acetylgalactosamine
|
