Q:30-A substance that produces a prolonged prothrombin time when given orally is
Anonymous Quiz
53%
Heparin
27%
Protamine sulfate
11%
Saliclate
9%
Coumadin
Q:31-The screenign or presumptive test for the osmotic fragility of red cells is normal when hemolysis begins in
Anonymous Quiz
31%
0.50% NaCl
37%
0.85% NaCl
23%
0.90% NaCl
9%
1.34% NaCl
Q:32-Clot retraction can be employed as an indicator of
Anonymous Quiz
24%
Factor VII deficiency
22%
Factor X deficiency
26%
Hemophilia
29%
Platelet function
Q:33-Which stage of the coagulation process would be affected by a deficiency of Factor VIII?
Anonymous Quiz
18%
First
40%
Second
31%
Third
11%
Fourth
👍1
Q:34-Fibrinogen determinations are performed on
Anonymous Quiz
23%
Serum only
44%
Plasma only
23%
Either serum or plasma
9%
Any body fluid
👍2
Q:35-In serologic tests for syphulis, reagin reactivity may result from an acute or chronic infection such as
Anonymous Quiz
18%
Pneumonia
36%
Infectious hepatitis
34%
Lupus erythematosus
12%
Helicobacter pylori
Q:36-The quantity of inactivated serum used for qualitative VDRL test is
Anonymous Quiz
30%
0.02 mL
43%
0.05 mL
22%
0.10 mL
5%
0.15 mL
👍1
Q:37-Which one of the following is characteristic of any antigen?
Anonymous Quiz
17%
High molecular weight
24%
High order of specificity
24%
Foreign to animal
34%
Produced by action of antibody
👍1
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**Our purpose in creating this Group is to help one another, and Medical Laboratory Technician Discussion Here.
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**Join our Telegram Channel to get ten MCQ questions every day.
So I Request to Join This Telegram Group.
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Q:38-The RA latex test is used as a screening test for
Anonymous Quiz
80%
Rheumatoid arthritis
11%
Thyroiditis
5%
Vulvovaginitis
5%
Infectious mononucleosis
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