ASSESSMENT TEST 2026 TESTED QUESTIONS
WITH FULL SOLUTION GRADED A+
◉ Which of the following is a urinary organic acid that becomes
elevated as a result of Coenzyme Q10 deficiency?
A.) Vanilmandelate
B.) Succinate
C.) Pyroglutamate
D.) D-Lactate. Answer: B.) Succinate
◉ Which of the following is a urinary organic acid that becomes
elevated as a direct result of thiamin deficiency?
A.) Phenylpropionate
B.) Glucarate
C.) Alpha-ketoisocaproate
D.) Formiminoglutamate. Answer: C.) Alpha-ketoisocaproate
◉ Which of the following is a urinary organic acid that becomes
elevated as a direct result of vitamin B6 deficiency?
A.) Beta-hydroxyisovalerate
,B.) Methylmalonate
C.) Fumarate
D.) Xanthurenate. Answer: D.) Xanthurenate
◉ Which of the following is a urinary organic acid that becomes
elevated as a direct result of biotin deficiency?
A.) Alpha Ketoglutarate
B.) Beta-hydroxyisovalerate
C.) Alpha keto-B-methylvalerate
D.) Alpha ketoisovalerate. Answer: B.) Beta-hydroxyisovalerate
◉ Which of the following is a urinary organic acid that becomes
elevated as a direct result of folic acid deficiency?
A.) Formiminoglutamate
B.) Hydroxymethylglutarate
C.) Ethylmalonate
D.) Homogentisate. Answer: A.) Formiminoglutamate
◉ Elevation of which of the following urinary organic acids indicates
that a patient has increased turnover of epinephrine?
A.) Homovanillate
B.) Vanilmandelate
,C.) Kynurenate
D.) Hippurate. Answer: B.) Vanilmandelate
◉ Elevation of which of the following urinary organic acids indicates
that a patient has increased turnover of serotonin? A.) 2-
Methylhippurate
B.) 5-Hydroxyindoleacetate
C.) 3,4-Dihydroxyphenylpropionate
D.) 8-Hydroxy-2'-deoxyguanosine. Answer: B.) 5-
Hydroxyindoleacetate
◉ Elevation of which of the following urinary organic acids is
produced in a patient with thiamin deficiency that slows the action
of the branched-chain keto acid dehydrogenase complex?
A.) Alpha-keto-beta-methylvalerate
B.) Alpha-hydroxybutyrate
C.) Alpha
D.) 8-Hydroxy-2'-deoxyguanosine. Answer: A.) Alpha-keto-beta-
methylvalerate
◉ Which of the following is a urinary organic acid that becomes
elevated in a patient due to massive intestinal overgrowth of
Lactobacillus acidophillus?
A.) D-Lactate
, B.) D-Arabinitol
C.) L-Lactate
D.) D-Glucarate. Answer: D.) D-Lactate
◉ Which of the following is the most common reason for finding
elevated benzoic acid in urine?
A.) The liver is converting more toluene into benzoic acid.
B.) Hepatic coenzyme A levels are increasing.
C.) Pantothenic acid supplementation has been increased
D.) Hepatic glycine conjugation capacity has been exceeded..
Answer: Hepatic glycine conjugation capacity has been exceeded
◉ Why would a high protein diet be ill-advised for the patient whose
laboratory report indicates a pathological detoxifier pattern?
A.) It would exacerbate the effects of low Phase II detoxification
capacity
B.) Phase I detoxification needs to be stimulated
C.) Methylation pathways would be overloaded
D.) Pathological detoxifiers have difficulty with ammonia clearance.
Answer: A.) It would exacerbate the effects of low Phase II
detoxification capacity
◉ Which type of organotoxin is famous for originating from soft
plastic products?