A physician orders a direct anti-globulin test (DAT) on a jaundiced newborn baby. The DAT is weakly positive. The baby types B positive and the mother's record shows a type of O positive. What is the most probable explanation for the baby's condition? OA. the baby has hemolytic disease of the newborn due to anti-D O B. the positive DAT result is erroneous OC. the jaundice is due to an IgM, anti-A O D. the baby has hemolytic disease of the newborn caused by anti-B QUESTION 8 The washing of red cells prior to performing a direct antiglobulin test is crucial because O A. it eliminates false negative results. O B. it removes excess protein that could interfere with testing C. it washes away antibodies bound to the cells so anti-human globulin can bind. O D.it eliminates the possibility of complement being detected. QUESTION 9 At the end of an antiglobulin test, Coombs' control cells are added to the negative tests, If agglutination occurs. this means O A. the test is valid. O B. the antiglobulin reagent was neutralized. OC.the cells were not washed thoroughly O D. the control cells are contaminated. QUESTION 10 Which of the following conditions could be indicated by a positive DAT? OA. hemolytic anemia O B. autoimmune disease OC transfusion reactions O D. all of the above
A physician orders a direct anti-globulin test (DAT) on a jaundiced newborn baby. The DAT is weakly positive. The baby types B positive and the mother's record shows a type of O positive. What is the most probable explanation for the baby's condition? OA. the baby has hemolytic disease of the newborn due to anti-D O B. the positive DAT result is erroneous OC. the jaundice is due to an IgM, anti-A O D. the baby has hemolytic disease of the newborn caused by anti-B QUESTION 8 The washing of red cells prior to performing a direct antiglobulin test is crucial because O A. it eliminates false negative results. O B. it removes excess protein that could interfere with testing C. it washes away antibodies bound to the cells so anti-human globulin can bind. O D.it eliminates the possibility of complement being detected. QUESTION 9 At the end of an antiglobulin test, Coombs' control cells are added to the negative tests, If agglutination occurs. this means O A. the test is valid. O B. the antiglobulin reagent was neutralized. OC.the cells were not washed thoroughly O D. the control cells are contaminated. QUESTION 10 Which of the following conditions could be indicated by a positive DAT? OA. hemolytic anemia O B. autoimmune disease OC transfusion reactions O D. all of the above
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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I belive answers are B,C,B and D but not sure. Plz help
Transcribed Image Text:A physician orders a direct anti-globulin test (DAT) on a jaundiced newborn baby. The DAT is weakly positive. The
baby types B positive and the mother's record shows a type of O positive. What is the most probable explanation
for the baby's condition?
OA. the baby has hemolytic disease of the newborn due to anti-D
O B. the positive DAT result is erroneous
OC. the jaundice is due to an IgM, anti-A
O D. the baby has hemolytic disease of the newborn caused by anti-B
QUESTION 8
The washing of red cells prior to performing a direct antiglobulin test is crucial because
OA. it eliminates false negative results.
O B. it removes excess protein that could interfere with testing
C. it washes away antibodies bound to the cells so anti-human globulin can bind.
O D.it eliminates the possibility of complement being detected.
QUESTION 9
At the end of an antiglobulin test, Coombs' control cells are added to the negative tests. If agglutination occurs.
this means
O A the test is valid.
O B. the antiglobulin reagent was neutralized.
Oc. the cells were not washed thoroughly.
O D. the control cells are contaminated.
QUESTION 10
Which of the following conditions could be indicated by a positive DAT?
OA. hemolytic anemia
O B. autoimmune disease
OC transfusion reactions
O D. all of the above
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