Q:39-The accepted and usual time and temperature used for the inactivation of serum is
Anonymous Quiz
23%
25 C for 1 hour
49%
37 C for 30 min
20%
56 C for 30 min
7%
56 C for 10 min
Q:40-Group O patients can safely recieve plasma from a donor who is group
Anonymous Quiz
2%
A only
12%
AB only
55%
O only
31%
A, AB, or O
Q:41-Rh immune globulin is given to an Rh (D)
Anonymous Quiz
26%
Positive mother with an Rh(D) negative fetus
21%
Positive mother who has an Rh(D) negative husband
43%
Negative mother who has delivered an Rh(D) positive fetus
11%
Negative mother with an Rh(D) negative fetus
Q:42-Which one of the following may detect a hemolytic transfusion reaction?
Anonymous Quiz
11%
Urine porphyrins
19%
Serum haptoglobin
59%
Post-transfusion red blood count and hemoglobin
11%
Pre-transfusion bilirubin
Q:43-To determine if a patient is A1 or A2, the blood is typed with
Anonymous Quiz
22%
Anti-A serum
36%
Anti-AB serum
20%
Anti-A2 serum
22%
Dolichos biflorus serum
👍1
Q:44-When a patient has been sensitized, which of the following tests would be used to help identify the antibody that is attached to the patient's cells IN VIVO?
Anonymous Quiz
14%
D(u)
17%
Elution
53%
Direct anti-human globulin test
16%
Indirect anti-human globulin test
❤1
Q:45-Who is credited with processing the most readily acceptable theory of ABO inheritance?
Anonymous Quiz
10%
Weiner
75%
Landsteiner
9%
Levine
6%
Bernstein
Q:46-During the crossmatch procedure, a negative result on the addition of Coombs control cells indicated that the
Anonymous Quiz
41%
Crossmatch is compatible and the blood may be infused
32%
Crossmatch is incompatible
26%
Antiglobulin reagent is inactivated, neutralized, or not added to the test.
Q:47-The major cation found in the extra cellular fluid is
Anonymous Quiz
17%
Chloride
28%
Potassium
40%
Sodium
16%
Bicarbonate
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{No 1 Telegram Group}
**Our purpose in creating this Group is to help one another, and Medical Laboratory Technician Discussion Here.
**Laboratory is our art. We must develop each one of us and help one another's knowledge.
**Join our Telegram Channel to get ten MCQ questions every day.
So I Request to Join This Telegram Group.
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Thank you❤
👍1
Q :48 - Antihuman serum globulin reagent
Anonymous Quiz
20%
Is produced in humans
24%
Occurs naturally in most humans
39%
Is produced in laboratory animals
17%
Never detects complement - dependent antibodies
👍2
Q : 49 - Blood group A individuals have
Anonymous Quiz
29%
Anti - A in their serum
47%
Anti - B in their serum
16%
Antigen A and B on their red cells
7%
Anti - O in their serum
Q : 50 - A donor who recently tested positive for HBsAg should be deferred
Anonymous Quiz
33%
For 6 months
13%
For 1 year
7%
For 5 years
46%
Permanently
Q : 51 - Antihuman serum globulin ( Coombs ) is NOT used in performing
Anonymous Quiz
27%
Reverse typing
29%
Immunoglobulin testing
25%
D ( u ) testing
19%
Autoagglutination tests
Q : 52 - A mother is Rh ( D ) negative . The father is homozygous Rh ( D ) positive . All of their offspring will be
Anonymous Quiz
18%
Erythroblastotic
19%
Homozygous Rh ( D ) positive
17%
Heterozygous Rh ( D ) positive
45%
50 % Rh ( D ) positive and 50 % Rh ( D ) negative
👍1
Q : 53 - According to Landsteiner , when a specific antigen is present on blood cells , the corresponding antibody
Anonymous Quiz
33%
Is present in the serum
24%
Is absent from the serum
22%
Is present in the blood cells
20%
May or may not be present depending on the agglutinogens present
👍2
Q:54-Cell/antibody mixtures used in tube testing to determine ABO Group should be centrifuged for
Anonymous Quiz
34%
15-30 seconds @ 1000
32%
2 min @ 2000
19%
3 min @ 3000
15%
5 min @ 5000
Q:55-Water-soluble pigments are produced by
Anonymous Quiz
25%
Yeasts
35%
Pseudomonas aeruginosa
25%
Staphylococcus epidermidis
16%
Group A streptococcus
Q:56-A reactive fluorescent treponemal antibody (FTA-AB) test
Anonymous Quiz
9%
Indicates no infection
63%
Confirms the presence of treponemal antibodies
20%
Indicates the severity of infection
9%
Is positive during the chancre stage
Q:57-Which of the following is a strict anaerobe?
Anonymous Quiz
25%
Bacillus anthracis
18%
Listeria monocytogenes
45%
Clostridium botulinum
12%
Nocardia asteroides