MLT ASCP Practice Test Questions board practice Exam Actual
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C;
In DIC, or disseminated intravascular coagulation, the prothrombin time is
increased due to the consumption of the coagulation factors due to the tiny
clots forming throughout the vasculature. This is also the reason that the
fibrinogen levels and platelet levels are
decreased. Finally FDP, or fibrin degredation products, are increased due to the
formation and subsequent dissolving of many tiny clots in the vasculature. The
FDPs are the pieces of fibrin that are left after the fibrinolytic processes take
place.
Which of the following laboratory results would be seen in a patient with acute
Disseminated Intravascular Coagulation (DIC)?
A. prolonged PT, elevated platelet count, decreased FDP
B. normal PT, decreased fibrinogen, decreased platelet count, decreased FDP
C. prolonged PT, decreased fibrinogen, decreased platelet count, increased FDP
D. normal PT, decreased platelet count, decreased FDP
B;
A dilution commonly used for a routine sperm count is a 1:20.
A dilution commonly used for a routine sperm count is:
A. 1:2
B. 1:20
C. 1:200
D. 1:400
,B;
Prozone effect (due to antibody excess) will result in an initial false negative in
spite of the large amount of antibody in the serum, followed by a positive result
as the specimen is diluted.
The prozone effect ( when performing a screening titer) is most likely to result in:
A. False positive
B. False negative
C. No reaction at all
D. Mixed field reaction
A;
One of the key characteristics to the identification of Nocardia asteroides is its
inability to hydrolyze casein, tyrosine or xanthine, as shown in this
photograph. Nitrates are
reduced to nitrites. Both Nocardia brasiliensis and Actinomadura madurae
hydrolyze both casein and tyrosine; Streptomyces griseus hydrolyzes all three
of the substrates.
Illustrated in this photograph is an agar quadrant plate containing casein (A),
tyrosine (B), nitrate (C) and xanthine (D). None of the substrates have been
hydrolyzed and nitrate has been reduced. The most likely identification is:
A. Nocardia asteroides
B. Nocardia brasiliensis
C. Streptomyces griseus
D. Actinomadura madurae
,A;
Since hemoglobin is measured spectrophotometrically on hematology analzyers,
interference from lipemia or icteric specimens can lead to decreased light
detected and measured through the sample and therefore inaccurate hemoglobin
results occur.
On an electronic cell counter, hemoglobin determination may be falsely
elevated caused by the presence of:
A. Lipemic or icteric plasma
B. Leukocytopenia or Leukocytosis
C. Rouleaux or agglutinated RBCs
D. Anemia or Polycythemia
False
A patient who has a primarily vegetarian diet will most likely have an alkaline
urine pH. A low-carbohydrate diet as well as the ingestion of citrus fruits can
also lead to a more
alkaline urine sample.
A patient who has a primarily vegetarian diet will most likely have an acid urine
pH.
, A;
During primary hypothyroidism, where a defect in the thryoid gland is
producing low levels of T3 and T4, the TSH level is increased. TSH is released in
elevated quantities in an attempt to stimulate the thryoid to produce more T3
and T4 as part of a feedback mechanism.
Serum TSH levels five-times the upper limit of normal in the presence of a low
T4 and low T3 uptake could mean which of the following:
A. The thyroid has been established as the cause of hypothyroidism
B. The thyroid is ruled-out as the cause of hypothyroidism
C. The pituitary has been established as the cause of hypothyroidism
D. The diagnosis is consistent with secondary hyperthyroidism
A;
Fusarium species is the most likely associated with mycotic keratitis.
Trichophyton rubrum is a dermatophyte that commonly causes an itching, scaling
skin infection of the feet, known as tinea pedis. Scedosporium apiospermum is
commonly
associated with sinusitis. Aspergillus niger typically causes otitis externa and can
also be associated with sinusitis.
Which of the following species or organisms is the most likely to be the cause of
mycotic keratitis (fungal eye infection)?
A. Fusarium species
B. Trichophyton rubrum.
C. Scedosporium apiospermum
D. Aspergillus niger
Complete Questions And Correct Answers (Verified
Answers) Already Graded A+ | Guaranteed Success!!
Newest Exam | Just Released!! 2026-2027
C;
In DIC, or disseminated intravascular coagulation, the prothrombin time is
increased due to the consumption of the coagulation factors due to the tiny
clots forming throughout the vasculature. This is also the reason that the
fibrinogen levels and platelet levels are
decreased. Finally FDP, or fibrin degredation products, are increased due to the
formation and subsequent dissolving of many tiny clots in the vasculature. The
FDPs are the pieces of fibrin that are left after the fibrinolytic processes take
place.
Which of the following laboratory results would be seen in a patient with acute
Disseminated Intravascular Coagulation (DIC)?
A. prolonged PT, elevated platelet count, decreased FDP
B. normal PT, decreased fibrinogen, decreased platelet count, decreased FDP
C. prolonged PT, decreased fibrinogen, decreased platelet count, increased FDP
D. normal PT, decreased platelet count, decreased FDP
B;
A dilution commonly used for a routine sperm count is a 1:20.
A dilution commonly used for a routine sperm count is:
A. 1:2
B. 1:20
C. 1:200
D. 1:400
,B;
Prozone effect (due to antibody excess) will result in an initial false negative in
spite of the large amount of antibody in the serum, followed by a positive result
as the specimen is diluted.
The prozone effect ( when performing a screening titer) is most likely to result in:
A. False positive
B. False negative
C. No reaction at all
D. Mixed field reaction
A;
One of the key characteristics to the identification of Nocardia asteroides is its
inability to hydrolyze casein, tyrosine or xanthine, as shown in this
photograph. Nitrates are
reduced to nitrites. Both Nocardia brasiliensis and Actinomadura madurae
hydrolyze both casein and tyrosine; Streptomyces griseus hydrolyzes all three
of the substrates.
Illustrated in this photograph is an agar quadrant plate containing casein (A),
tyrosine (B), nitrate (C) and xanthine (D). None of the substrates have been
hydrolyzed and nitrate has been reduced. The most likely identification is:
A. Nocardia asteroides
B. Nocardia brasiliensis
C. Streptomyces griseus
D. Actinomadura madurae
,A;
Since hemoglobin is measured spectrophotometrically on hematology analzyers,
interference from lipemia or icteric specimens can lead to decreased light
detected and measured through the sample and therefore inaccurate hemoglobin
results occur.
On an electronic cell counter, hemoglobin determination may be falsely
elevated caused by the presence of:
A. Lipemic or icteric plasma
B. Leukocytopenia or Leukocytosis
C. Rouleaux or agglutinated RBCs
D. Anemia or Polycythemia
False
A patient who has a primarily vegetarian diet will most likely have an alkaline
urine pH. A low-carbohydrate diet as well as the ingestion of citrus fruits can
also lead to a more
alkaline urine sample.
A patient who has a primarily vegetarian diet will most likely have an acid urine
pH.
, A;
During primary hypothyroidism, where a defect in the thryoid gland is
producing low levels of T3 and T4, the TSH level is increased. TSH is released in
elevated quantities in an attempt to stimulate the thryoid to produce more T3
and T4 as part of a feedback mechanism.
Serum TSH levels five-times the upper limit of normal in the presence of a low
T4 and low T3 uptake could mean which of the following:
A. The thyroid has been established as the cause of hypothyroidism
B. The thyroid is ruled-out as the cause of hypothyroidism
C. The pituitary has been established as the cause of hypothyroidism
D. The diagnosis is consistent with secondary hyperthyroidism
A;
Fusarium species is the most likely associated with mycotic keratitis.
Trichophyton rubrum is a dermatophyte that commonly causes an itching, scaling
skin infection of the feet, known as tinea pedis. Scedosporium apiospermum is
commonly
associated with sinusitis. Aspergillus niger typically causes otitis externa and can
also be associated with sinusitis.
Which of the following species or organisms is the most likely to be the cause of
mycotic keratitis (fungal eye infection)?
A. Fusarium species
B. Trichophyton rubrum.
C. Scedosporium apiospermum
D. Aspergillus niger
