4. canine and feline blood groups Flashcards

1
Q

how many antigens the dog have?

A

14 antigens

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2
Q

how many antigens the cat have?

A

2 antigens

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3
Q

what are the most frequent blood groups antigen in the dog?

A

DEA 1.1 (40%), DEA 1.2. (20%), DEA 4 and DEA 7

most of the dogs have DEA 4 antigen

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4
Q

if a DEA 1.1 negative dog gets a transfusion of DEA 1.1 positive blood for the second time

A

a so-called late type hemolysis occurs in 1 or 2 weeks

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5
Q

if a DEA 1.1 negative dog gets a transfusion of DEA 1.1 positive blood for the third time

A

acute (<12 hours) transfusion reaction takes place that may be lethal

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6
Q

DEA 1.2 incompatibility leads to?

A

moderate transfusion reactions

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7
Q

DEA 1.3 antigens sensitizes the individual against ?

A

DEA 1.3, DEA 1.1 and DEA 1.2 as well

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8
Q

what are the blood group antigens of the cat?

A

there are type A and B blood group antigens

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9
Q

if a type B cat gets type A or AB

A

blood a fatal transfusion reaction will occur within 24 hours because the blood plasma of cats that have type B blood group contains large amount of anti A antibodies

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10
Q

if a type A cat gets type B or AB blood

A

late type hemolysis or acute reaction will occur

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11
Q

cats that have type AB blood group should be given

A

type AB (rare blood group in cats) or type A (contains just a few anti-B antibodies) blood

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12
Q

biological incompatibility test for dogs

A

5-20 ml depending on the body weight of the recipient) and after 5 minutes general reactions, pulse rate, and pulse quality are observed. Restlessness, shivering, elevated pulse and respiratory rate, dyspnoea, urination, defecation, and vomiting may refer to incompatibility. If there are no abnormal reactions, the full transfusion can be given after 10 minutes.

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13
Q

major crossmatch test is used for

A

detecting antibodies in the recipient’s serum against transfused blood cells antigens
For the test 2 drops of recipient’s serum and 1 drop of donor’s red blood cell suspension are used.

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14
Q

minor crossmatch test is used for

A

detecting antibodies in the donor’s serum against the recipient’s red blood cell antigen.
For the test 2 drops of donor’s serum and 1 drop of recipient’s red blood cell suspension are used.

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15
Q

Autocontrol tests are used for

A

detecting antibodies against self red blood cell antigens both in the donor and the recipient.

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