WorksheetsCLINCHEM
Total questions: 32
Worksheet time: 16mins
1. When is quality control performed
I. When there is a new instrument
II. When reagent lots are changed
III. At the end of each shift
IV. Whenever patient results seem inappropriate
I, II IV
I, II III
I, II
I, II, III, IV
All of the following are associated with random error except
2-2s
1-2s
1-3s
R-4s
This states that the concentration of a substance is directly proportional to the amount of light absorbed or inversely proportional to the log of transmitted light
Beer's Law
Lambert's Law
Boyle's Law
Gay-Lussac's Law
4. The conversion of glucose into pyruvate, NADH, and ATP is called
Embden Meyerhof pathway
Gluconeogenesis
Glycogenesis
Glycogenolysis
5. Which of the following best describes Cystatin C
Marker for congestive heart failure
Low levels are associated with increased risk of heart disease
Marker of nutrition
Marker for glomerular filtration rate
All of the following are abnormal lipoproteins except
Chylomicrons
Lipoprotein a
Lipoprotein x
B-VLDL
Which of the following is incorrect regarding Type I DM
It is insulin dependent
It occurs due to insulin resistance
It is the result of cellular mediated autoimmune destruction of beta cells of pancreas
Associated with polydipsia, polyphagia, polyuria
Which disinfectant should be used when performing ethanol testing
70% alcohol
70% alcohol with iodophor
Chlorhexidine gluconate
Benzalkonium chloride
Which of the following statements about lipoproteins is FALSE?
Reduced LDL causes decreased risk of artherosclerosis
Elevated HDL causes a decreased risk of artherosclerosis
Elevated total cholesterol causes an increased risk of artherosclerosis
Elevated LDL causes a decreased risk of artherosclerosis
10. The medical technologist made a mistake of collecting above the IV line, what could be the possible consequence of this?
It will increase the patient’s chloride, potassium or sodium
It will increase the patient's glucose to 200 mg/dl
It will increase the patient’s urea and creatinine levels
11. A CSF glucose value is 62 mg/ml. What would you estimate the serum glucose?
93 mg/dL
65 mg/dL
180 mg/dL
120 mg/dL
12. In which part of the laboratory workflow, does the majority of all laboratory errors happen?
Pre-analytic
Analytic
Post-analytic
13. The medical technologist noticed that the results do not match the patient or is abnormal, she noticed that the reagent she used was left out in room temperature when it must be placed in the refrigerator, she did not know until when it was left out. The categorized as?
Random
Systemic
14. This analytic technique uses the Faraday’s law
Potentiometry
Polarography
Coulometry
Amperometry
15. It is the major end product of PURINE metabolism.
BUA
BUN
Creatinine
Ammonia
16. A globulin that transports lipids, specifically LDL
Alpha 1 lipoprotein
Pre-beta lipoprotein
Beta-lipoprotein
Delta-lipoprotein
All of the following are incorrect about serum enzymes EXCEPT
a. Aspartate aminotransferase but not lactate dehydrogenase is usually elevated in acute myocardial infarction
b. Increased serum alkaline phosphatase may be found in bone disease
c. Aspartate aminotransferase was formerly known as serum glutamate pyruvate transaminase
d. The presence of hemolyzed red cells is not significant for an accurate assay of most serum enzymes
18. Which of the following is not associated with cholinesterase
a. Pseudocholinesterase is found in the heart, liver, and brain
b. True cholinesterase uses only acetylcholine as substrate
c. It is used for screening of neural tube defects
d. Increased levels are seen in liver disease
19. What principle is used in pH determination in blood gas analyzers
Tonometry
Spectrophotometry
Amperometry
Potentionmetry
20. In uncompensated respiratory alkalosis, which of the following is expected to be normal
pH
Bicarbonate
pCO2
ch of the following will shift the Hemoglobin oxygen curve to the left
I. Alkalosis
II. Anemia
III. Mountain climbing
IV. Decreased 2,3-DPG
I, III
I, IV
II, IV
I, II, III
22. The transport of drugs from the site of administration to the blood is known as
Liberation
Excretion
Absorption
Distribution
23. The effects of 2 or more chemicals are the sum of their individual effects
Potentiation
Synergism
Additive
Antagonism
24. Which electrolyte is least affected by hemolysis
Phosphorus
Magnesium
Calcium
Potassium
25. Cancer that may have been caused by tobacco smoking, excessive alcohol use, vitamin A deficiency.
Lung cancer
Oral cancer
Laryngeal cancer
Cervical cancer
26. It is a peculiar non pitting swelling of the skin as it becomes infiltrated by mucopolysaccharides, a severe form of this may result in coma.
a. Hypothyroidism, Myxedema
b. Hyperthyroidism, Thyroiditis
c. Hyperparathyroidism, Grave’s disease
d. Hypoparathyroidism, Hashimoto’s disease
27. There are 3 zones in the adrenal _, which zone is the outer most?
a. Cortex, reticularis
b. Medulla, fasciculata
c. Cortex, glomerulosa
d. Medulla, epidermucosa
28. He is known to be the father of toxicology?
a. Philippus von Hoheinheim
b. Hippocrates
c. Rudolf vircchow
d. Anton von leewonhoek
29. Which is true of Menke’s disease?
a. It is characterized by a green brown discoloration in the corona
b. It is an X linked dominant disease
c. It is caused by copper deficiency
d. It is caused by a mutation in the genes of copper production
30. For each ATP molecule, 2 K+ ions are moved out while 3 Na+ ions are moved in.
True
False
31. Most common cause of renal failure is?
Hyperkalemia
Hypernatremia
Hypocholesteremia
Hypomagnesemia
32. Interpret the following
pH - 7.26
pCO2 - 22 mmHg
HCO3 - 26 mmol/L
Respiratory acidosis
Respiratory alkalosis
Metabolic acidosis
Metabolic alkalosis
