MLT PRACTICE TEST QUESTIONS
WITH CORRECT ANSWERS
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 - Answer-elution
Who is credited with proposing the most readily acceptable theory of ABO inheritance -
Answer-Landsteiner
Antihuman serum globulin reagent - Answer-is produced in laboratory animals
Blood group A individuals have - Answer-anti-B in their serum
During the crossmatch procedure, a negative result on the addition of Coombs control
cells indicates that the - Answer-antiglobulin reagent is inactivated, neutralized, or not
added to the test
A donor who recently tested positive for HBsAg should be deferred - Answer-
permanently
Antihuman serum globulin (Coombs) is not used in performing - Answer-reverse typing
A mother is Rh negative. The father is homozygous Rh positive. All of their offspring will
be - Answer-heterozygous RH positive
According to Landsteiner, when a specific antigen is present on blood cells, the
corresponding antibody - Answer-is absent from the serum
Cell/antibody mixtures used in tube testing to determine ABO Group should be
centrifuged for - Answer-15-30 seconds @ 1000
Water-soluble pigments are produced by - Answer-Pseudomonas aeruginosa
A reactive fluorescent treponemal antibody (FTA-AB) test - Answer-confirms the
presence of treponemal antibodies
Which of the following is a strict anaerobe - Answer-Clostridium botulinum
Optochin is used to help identify - Answer-Streptococcus pneumoniae
A trophozoite of Entamoeba histolytica usually contains - Answer-red blood cells in the
cytoplasm
, Which media is used to ISOLATE Staphylococcus aureus from specimens that have
mixed bacterial flora such as feces? - Answer-mannitol salt agar
A flagellate frequently found in the urine of female patients is - Answer-Trichomonas
vaginalis
Which organisms are described as minute, very plemorphic,sometimes coccobacillary,
gram-negative rods that must have media enriched with X and V factors? - Answer-
Haemophilus influenzae
Bordet-Gengou and Eugon agar base with fresh blood is used for the isolation of -
Answer-Bordetella
According to the Lancefield scheme of classifying the Streptococcus species, the
enterococci are placed in group - Answer-D
Streptococcus pneumoniae - Answer-capsule are produced by virulent strains
Which one of the following tests differentiates Staphylococcus aureus from other types
staphylococci? - Answer-Coagulase
The etiologic agent of chancroid is - Answer-Haemophilus ducreyi
Safranin in a Gram stain is used as a - Answer-secondary strain
The organism that can cause rheumaticfever and/or glomerular nephritis is - Answer-
streptococcus pyogenes
A variety of media may be safely stored for months is care is taken to - Answer-retain
their moisture
Beer's law states that the darker the color product, the more light absorbed in the
specimen; the more light absorbed, the - Answer-higher the concentration of the analyte
What is the normality of a solution of sodium hydroxide(molecular weight=40) containing
20 grams in 100 ml of solution? - Answer-5.0N
Carbohydrates are organic compounds of? - Answer-carbon, hydrogen and oxygen
If test results are within _+2 standard deviations, the ratio of test results beyond the _+2
SD limit will be 1 out of - Answer-20
To make a 1:5 dilution of serum sample, dilute - Answer-1.0 ml of serum + 4.0 mL of
diluent
What is a function of gamma globulin? - Answer-Provides humoral immunity
WITH CORRECT ANSWERS
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 - Answer-elution
Who is credited with proposing the most readily acceptable theory of ABO inheritance -
Answer-Landsteiner
Antihuman serum globulin reagent - Answer-is produced in laboratory animals
Blood group A individuals have - Answer-anti-B in their serum
During the crossmatch procedure, a negative result on the addition of Coombs control
cells indicates that the - Answer-antiglobulin reagent is inactivated, neutralized, or not
added to the test
A donor who recently tested positive for HBsAg should be deferred - Answer-
permanently
Antihuman serum globulin (Coombs) is not used in performing - Answer-reverse typing
A mother is Rh negative. The father is homozygous Rh positive. All of their offspring will
be - Answer-heterozygous RH positive
According to Landsteiner, when a specific antigen is present on blood cells, the
corresponding antibody - Answer-is absent from the serum
Cell/antibody mixtures used in tube testing to determine ABO Group should be
centrifuged for - Answer-15-30 seconds @ 1000
Water-soluble pigments are produced by - Answer-Pseudomonas aeruginosa
A reactive fluorescent treponemal antibody (FTA-AB) test - Answer-confirms the
presence of treponemal antibodies
Which of the following is a strict anaerobe - Answer-Clostridium botulinum
Optochin is used to help identify - Answer-Streptococcus pneumoniae
A trophozoite of Entamoeba histolytica usually contains - Answer-red blood cells in the
cytoplasm
, Which media is used to ISOLATE Staphylococcus aureus from specimens that have
mixed bacterial flora such as feces? - Answer-mannitol salt agar
A flagellate frequently found in the urine of female patients is - Answer-Trichomonas
vaginalis
Which organisms are described as minute, very plemorphic,sometimes coccobacillary,
gram-negative rods that must have media enriched with X and V factors? - Answer-
Haemophilus influenzae
Bordet-Gengou and Eugon agar base with fresh blood is used for the isolation of -
Answer-Bordetella
According to the Lancefield scheme of classifying the Streptococcus species, the
enterococci are placed in group - Answer-D
Streptococcus pneumoniae - Answer-capsule are produced by virulent strains
Which one of the following tests differentiates Staphylococcus aureus from other types
staphylococci? - Answer-Coagulase
The etiologic agent of chancroid is - Answer-Haemophilus ducreyi
Safranin in a Gram stain is used as a - Answer-secondary strain
The organism that can cause rheumaticfever and/or glomerular nephritis is - Answer-
streptococcus pyogenes
A variety of media may be safely stored for months is care is taken to - Answer-retain
their moisture
Beer's law states that the darker the color product, the more light absorbed in the
specimen; the more light absorbed, the - Answer-higher the concentration of the analyte
What is the normality of a solution of sodium hydroxide(molecular weight=40) containing
20 grams in 100 ml of solution? - Answer-5.0N
Carbohydrates are organic compounds of? - Answer-carbon, hydrogen and oxygen
If test results are within _+2 standard deviations, the ratio of test results beyond the _+2
SD limit will be 1 out of - Answer-20
To make a 1:5 dilution of serum sample, dilute - Answer-1.0 ml of serum + 4.0 mL of
diluent
What is a function of gamma globulin? - Answer-Provides humoral immunity
