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Chemistry Certification

Subject : certifications
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The unit of measure for a standard solution is...






2. In amniotic fluid - the procedure used to detect Rh isosensitization is...






3. When separating serum proteins by cellulose acetate electrophoresis using veronal buffer at pH 8.6 - beta globulin migrates...






4. In the Jaffe reaction - creatine reacts with...






5. A test request slip indicates that an acute porphyric attack is suspected clinically. Analysis should include...






6. In automated methods utilizing a bichromatic analyzer - dual wavelengths are employed to...






7. A stool specimen that appears black and tarry should be tested for the presence of...






8. After a difficult venipuncture requiring prolonged application of the tourniquet - the serum K+ was found to be 6.8 mEq/L. The best course of action is to...






9. The reason carbon monoxide is so toxic is because it...






10. The first step to be taken when attempting to repair a piece of electronic equipment is...






11. How many grams of sodium chloride are needed to prepare 1 L of 0.9% normal saline?






12. Analysis of erythrocytes for uroporphyrinogen I synthetase detects...






13. This wavelengths is within the ultraviolet rang.






14. A cardiac glycoside that is used in the treatment of congenital heart failure and arrhythmias by increasing the force and velocity of myocardial contraction is...






15. One means of checking a spectrophotometer wavelength calibration in the visible range is by using a...






16. A 45-year-old woman complains of fatigue - heat intolerance - and hair loss. Serum thyroxine and 125I-T3 resin uptake are abnormally low. What test would confirm that this is a pituitary deficiency?






17. The formula for calculating the amount of moles of a chemical?






18. At a pH of 8.6 the gamma globulins move toward the cathode - despite the fact that they are negatively charged. What is this phenomenon called?






19. Cocaine is metabolized to...






20. Turbidity in serum suggests elevation of...






21. Ninety percent of the copper present in plasma is bound to...






22. A carbonate salt used to control manic-depressive disorders is...






23. This disease is associated with the greatest elevation of lactate dehydrogenase isoenzyme 1?






24. A patient in her 33rd week of pregnancy is hospitalized with toxemia. Her doctor would like to deliver the baby early because the toxemia is becoming more severe. The baby's best chance of delivery without respiratory distress due to lung immaturity






25. Maple syrup urine disease is characterized by an increase in this urinary amino acids






26. Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) are both elevated in this disease






27. Most drugs and intracellular metabolites measured by radioimmunoassay have molecular weights between 200 and 1000 and can be made immunogenic by...






28. Lithium therapy is widely used in the treatment of...






29. A test request slip indicates that an acute porphyric attack is suspected clinically. Analysis should include...






30. A pH of 7.0 represents a H+ concentration of...






31. Zinc protoporphyrin or free erythrocyte protoporphyrin measurements are useful to assess blood concentrations of...






32. A 25-year-old man became nauseated and vomited 90 minutes after receiving a standard 75-g carbohydrate dose for an oral glucose tolerance test. The best course of action is...






33. The methodology based on the amount of energy absorbed by a subtance as a function of its concentration and using a specific source of the same material as the substance analyzed is...






34. The measurement of light scattered by particles in the sample is the principle of...






35. This steroid is an adrenal cortical hormone






36. In thin layer chromatography - the Rf value for a compound is given by the...






37. The principle of the occult blood test depends on the...






38. A patient with malabsorption receives 25 g of d-xylose orally; during the subsequent 5-hour period - the urine excretion of d-xylose is less than 3 g. This would indicate...






39. This calcium procedure utilizes lanthanum chloride to emliminate iterfering substances






40. A patient has the following results: Patient Values : Reference Values: Serum iron 250 ug/dL 60-150 ug/dL TIBC 350 ug/dL 300-35O ug/dL The best conclusion is that this patient has...






41. The following data were obtained on amniotic fluid from a gestation of 36 weeks' duration by menstrual dates: L/S = 2 Phosphatidyl glycerol not present This can be concluded from these data?






42. This is a regulatory hormone.






43. Serum concentrations of vitamin B12 are elevated in...






44. Coulometry is used to measure...






45. A pH of 7.0 represents a H+ concentration of...






46. In competitive inhibition of an enzyme reaction the...






47. The different water content of erythrocytes and plasma makes true glucose concentrations in whole blood a function of the...






48. Quantitation of NA+ and K+ by ion-selective electrode is more rapid than flame photometry because...






49. Characteristic of the Bence Jones protein that is used to distinguish it from other urinary proteins is its solubility...






50. A fasting serum sample from an asymptomatic 43-year-old woman is examined visually chemically with the following results: Initial appearance of serum: Milky Appearance of serum after overnight refrigeration: Cream layer over turbid serum Triglyceri