Fun Quiz: Test Your Clinical Chemistry Knowledge

#1. What is the major metabolite of nicotine?

Nordiazepam

Benzoylecgonine

Hydromorphone

Cotinine

Nicotine

#2. The following causes metabolic acidosis except

Diabetic ketoacidosis

Excessive vomiting

Renal disease

Prolonged diarrhea

Late salicylate poisoning

#3. Centromeric or nucleolar antibody is associated with

Multiple sclerosis

Polymyalgia rheumatica

Hashimoto's disease

Ankylosing spondylitis

Scleroderma

#4. Which is not a fraction of alkaline phosphatase?

Placental alkaline phosphatase

Liver alkaline phosphatase

Bone alkaline phosphatase

Lung alkaline phosphatase

Intestinal alkaline phosphatase

#5. What is the reason why testing for ionized calcium needs to be collected anaerobically?

To prevent exposure to atmospheric oxygen which oxidizes calcium

Atmospheric nitrogen interferes with ion selective electrodes

To prevent dissipation of labile calcium ions

To prevent loss of CO2 which increases the pH of the sample

To minimize sample evaporation

#6. A combination of features usually associated with SLE, systemic sclerosis, and polymyositis.

Scleroderma

Sjorgen's syndrome

Myxedema gravis

Systemic lupus erythematosus

Mixed Connective Tissue Disease

#7. Which of the following statements is true about Homocysteine?

Decreased levels are seen in patients with Vitamin B6 deficiency.

Elevated levels are seen in patients with B12 deficiency.

Used for risk assessment of renal diseases and stroke

No clinical role in the risk assessment for Alzheimer's.

Decreased levels are associated with an increased risk of cardiovascular disease

#8. The following are indications for CSF analysis except

Paranasal sinusitis

Meningitis

Intracranial hemorrhage

Syphilis

Encephalitis

#9. The final metabolic product of DOPA and dopamine

Catecholamines

Homovanillic acid (HVA)

Metanephrines

Serotonin

Vanillylmandelic acid (VMA)

#10. What is the primary form of lipid storage in the body?

Glycerol

Fatty acids

Cholesterol

Triglycerides

Chylomicrons

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