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ACE ASCP COMPLETE EXAM SET WITH
QUESTIONS AND VERIFIED SOLUTIONS
2026
Which assay, using 24-hour urine, is considered the BEST single screening test for
PHEOCHROMOCYTOMA?
Homovallic acid (HVA)
Metanephrines
Vanillylmandelic acid (VMA)
Catecholamines - correct-answer -B. Metanephrines
Feedback The most reliable screening tests for diagnosis of pheochromocytoma is
measurement of plasma-free fractionated metanephrines and urinary
fractionated metanephrines.
Unconjugated bilirubinemia is seen in:
Primary biliary cirrhosis
Acute hepatitis
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Chronic hemolytic anemia
All of the above - correct-answer -C. Chronic hemolytic anemia
In hypothalamic-pituitary-adrenal axis, hypothalamus stimulate the release of
cortisol from adrenal gland through:
ACTH
Corticotropin Releasing Hormone (CRH)
Gonadotropin Releasing Hormone (GRH)
Thyrotropin Releasing Horome (TRH - correct-answer -Corticotropin Releasing
Hormone (CRH)
Prolonged PT and APTT with depleted fibrinogen levels and platelet can be
associated with:
Acute DIC
Von Willebrand Disease
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Hemophilia A
Glanzmann's Thrombasthenia - correct-answer -A. Acute DIC
Most potent activator enzyme:
Magnesium
Sodium
Potassium
All of the above - correct-answer -A. Feedback Over 300 enzymes require the
presence of magnesium ions for their catalytic action, including all enzymes
utilizing or synthesizing ATP, or those that use other nucleotides to synthesize
DNA and RNA.
The formation of germ tubes presumptively identifies:
Candida tropicalis
Candida albicans
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, 4|Page
Candida glabarata
Candida parapsilosis - correct-answer -B. Candida albicans
Feedback Candida albicans produces germ tubes.
The binding strength of an antibody for an antigen is referred to as:
Avidity
Specificity
Affinity
Titer - correct-answer -A. Avidity
The term that denotes a situation in which the effect of two antimicrobial agents
together is greater than the sum of the effects of either drug alone is:
Antagonism
Additivism
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ACE ASCP COMPLETE EXAM SET WITH
QUESTIONS AND VERIFIED SOLUTIONS
2026
Which assay, using 24-hour urine, is considered the BEST single screening test for
PHEOCHROMOCYTOMA?
Homovallic acid (HVA)
Metanephrines
Vanillylmandelic acid (VMA)
Catecholamines - correct-answer -B. Metanephrines
Feedback The most reliable screening tests for diagnosis of pheochromocytoma is
measurement of plasma-free fractionated metanephrines and urinary
fractionated metanephrines.
Unconjugated bilirubinemia is seen in:
Primary biliary cirrhosis
Acute hepatitis
1|Page
,2|Page
Chronic hemolytic anemia
All of the above - correct-answer -C. Chronic hemolytic anemia
In hypothalamic-pituitary-adrenal axis, hypothalamus stimulate the release of
cortisol from adrenal gland through:
ACTH
Corticotropin Releasing Hormone (CRH)
Gonadotropin Releasing Hormone (GRH)
Thyrotropin Releasing Horome (TRH - correct-answer -Corticotropin Releasing
Hormone (CRH)
Prolonged PT and APTT with depleted fibrinogen levels and platelet can be
associated with:
Acute DIC
Von Willebrand Disease
2|Page
,3|Page
Hemophilia A
Glanzmann's Thrombasthenia - correct-answer -A. Acute DIC
Most potent activator enzyme:
Magnesium
Sodium
Potassium
All of the above - correct-answer -A. Feedback Over 300 enzymes require the
presence of magnesium ions for their catalytic action, including all enzymes
utilizing or synthesizing ATP, or those that use other nucleotides to synthesize
DNA and RNA.
The formation of germ tubes presumptively identifies:
Candida tropicalis
Candida albicans
3|Page
, 4|Page
Candida glabarata
Candida parapsilosis - correct-answer -B. Candida albicans
Feedback Candida albicans produces germ tubes.
The binding strength of an antibody for an antigen is referred to as:
Avidity
Specificity
Affinity
Titer - correct-answer -A. Avidity
The term that denotes a situation in which the effect of two antimicrobial agents
together is greater than the sum of the effects of either drug alone is:
Antagonism
Additivism
4|Page
