ASCP BOOK
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| show | <=45 mg/dL (<=2.5 mmol/L)
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| show | all values are consistent with a normal healthy individual
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| show | a high carbohydrate diet for 3 days
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| If fasting glucose was 90 mg/dL, which of the following 2-hour posprandial glucose results would most closely represent normal glucose metabolism? | show 🗑
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| A healthy person with a blood glucose of 80 mg/dL (4.4mmol/L) would have a simultaneously determined cerebrospinal fluid glucose value of: | show 🗑
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| show | draw blood for glucose and discontinue test
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| Cerebrospinal fluid for glucose assay should be: | show 🗑
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| show | 200 mg/dL (11.0 mmol/L)
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| show | lower than adults
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| A 45-year-old woman has a fasting serum glucose concentration of 95 mg/dL (5.2 mmol/L)and a 2-hour postprandial glucose concentration of 105 mg/dL (5.8 mmol/L). The statement which best describes this patient's fasting serum glucose concentration is: | show 🗑
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| show | glucose tolerance test
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| show | 5 mg/dL (0.27 mmol/L) higher
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| The conversion of glucose or other hexoses into lactate or pyruvate is called: | show 🗑
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| Wlhich one of the following values obtained during a glucose tolerance test are diagnostic of diabetes mellitus? | show 🗑
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| show | 6-8 weeks
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| Monitoring long-term glucose control in patients with adult onset diabetes mellitus can best be accomplished by measuring: | show 🗑
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| A patient with Type I, insulin-dependent diabetes mellitus has the following results: Fasting blood glucose: 150 mg/dL (70-110 mg/dL) Hemoglobin A1C: 8.5% (4.0%-6.0%) Fructosamine: 2.5 mmol/L (2.0-2.9 mmol/L) The technologist concluded that the pati | show 🗑
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| Total glycosylated hemoglobin levels in a hemolysate reflect the: | show 🗑
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| Which of the following hemoglobin has glucose-6-phosphate on the amino-terminal valine of the beta chain? | show 🗑
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| show | show a decrease in glycated Hgb value
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| show | Hgb S
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| show | carbohydrates
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| An infant with diarrhea is being evaluated for cabohydrate intolerance. His stool yields a positive copper reduction test and a pH of 5.0. It should be concluded that: | show 🗑
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| Blood samples were collected at the beginning of an exercise class and after thirty minutes of aerobic activity. Which of the following would be most consistent with the post-exercise sample? | show 🗑
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| show | H2 breath test
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| show | metabolic acidosis
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| Severe diarrhea causes: | show 🗑
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| The following blood gas results were obtained: pH: 7.18 PO2: 86 mm Hg PCO2: 60mm Hg O2 saturation: 92% HCO3: 7921 mEq/L (21 mmol/L) TCO2: 23 mEq/L (23 mmol/L) base excess: -8.0 mEq/L The patient results are compatible with which of the following? | show 🗑
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| Factors that contribute to a PCO2 electrode requiring 60-120 seconds to reach equilibrium include the: | show 🗑
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| An emphysema patient suffering from fluid accumulation in the alveolar spaces is likely to be in what metabolic state? | show 🗑
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| At blood pH 7.40, what is the ratio of bicarbonate to carbonic acid? | show 🗑
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| The reference range for the pH of arterial blood measured at 37 C is: | show 🗑
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| show | low pH
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| A patient is admitted to the emergency room in a state of metabolic alkalosis. Which of the following would be consistent with this diagnosis? | show 🗑
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| A person suspected of having metabolic alkalosis would have which of the following laboratory findings? | show 🗑
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| show | decrease in CO2 content and PCO2 with a decreased pH
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| Respiratory acidosis is described as a(n): | show 🗑
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| A common cause of respiratory alkalosis is: | show 🗑
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| show | bicarbonate buffer
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| show | PO2 increased/HCO3 decreased
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| The following laboratory results were obtained: Serum electrolytes: sodium: 136 mEq/L, potassium: 4.4 mEq/L, Chloride: 92 mEq/L, bicarbonate: 40 mEq/L Arterial Blood: pH 7.3, PCO2 79mm Hg These results are most compatible with: | show 🗑
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| show | osmolarity
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| A patient had the following serum results: Na: 140 mEq/L K: 4.0 mEq/L glucose: 95 mg/dL BUN: 10 mg/dL Which osmolality is consistent wiht these results: | show 🗑
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| show | urine to serum osmolality ratio
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| show | calculated and measured osmolality values
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| The most important buffer pair in plasma is the: | show 🗑
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| Quantitation of Na and K by ion-selective electrode is the standard method because: | show 🗑
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| show | BUN, creatinine, salicylate and methanol
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| show | testing heparinized plasma
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| show | bicarbonate ion
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| Serum "anion gap" is increased in patients with: | show 🗑
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| The anion gap is useful for quality control of laboratory results for: | show 🗑
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| show | chloride
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| In respiratory acidosis, a compensatory mechanism is the increase in: | show 🗑
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| show | sodium
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| A potassium level of 6.8 mEq/L (6.8mmol/L)is obtained. Before reporting the results, the first step the technologist should take is to: | show 🗑
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| show | sodium
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| show | borderline results, the test should be repeated
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| show | whole blood specimen are acceptable
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| Sodium determination by indirect ion selective electrode is falsely decreased by: | show 🗑
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| show | Na is falsely decreased by indirect ISE
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| Which percentage of total serum calcium is nondiffusible protein bound? | show 🗑
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| show | parathyroid hormone
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| The regulation of calcium and phosphorous metabolism is accomplished by which of the following glands? | show 🗑
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| show | hyperparathyroidism
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| A hospitalized patient is experiencing increased neuromuscular irritability(tetany). Which of the following tests should be ordered immediately? | show 🗑
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| Which of the following is most likely to be ordered in addition to serum calcium to determine the cause of tetany? | show 🗑
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| show | calcium and phosphate
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| Fasting serum phosphate concentration is controlled primarily by the: | show 🗑
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| A low concentration of serum phosphorus is commonly found in: | show 🗑
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| The following laboratory results were obtained: serum: Calcium increased, Alkaline phosphate decreased, Alkaline phosphatase normal or increased. Urine: Calcium increased, Alkaline phosphate increased. These results are most compatible with: | show 🗑
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| show | maintain colloidal osmotic pressure
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| show | decreased by 1/2
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| show | measure the total volume
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| show | make a patient blank
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| The direction in which albumin migrates (ie, toward anode or cathode) during electrophoretic separation of serum proteins, at pH 8.6, is determined by | show 🗑
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| The protein that has the highest dye-binding capacity is: | show 🗑
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| Refer to the following illustration: The serum protein electrophoresis pattern shown bellow was obtained on cellulose acetate at pH 8.6. ----illustration Identify the serum protein fraction on the left of the illustration. | show 🗑
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| The biuret reaction for the analysis of serum protein depends on the number of: | show 🗑
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| show | have a negative charge
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| The relative migration rate of proteins on cellulose acetate is based on: | show 🗑
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| show | albumin,alpha-1 globulin, alpha-2 globulin, beta globulin, gammma globulin
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| Which of the following amino acids is associated with sulfhydryl group? | show 🗑
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| Maple syrup urine disease is characterized by an increase in which of the following urinary amino acids? | show 🗑
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| show | dehydration
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| The following data was obtained from a cellulose acetate protein electrophoresis scan: albumin area: 75 units gamma globulin area: 30 units total area: 180 units total protein: 6.5 g/dL (65g/L) The gamma globulin content in g/dL is: | show 🗑
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| show | gamma
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| Which of the following serum protein fractions is most likely to be elevated in patients with nephrotic syndrome? | show 🗑
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| Refer to the following illustration: Total protein 7.3g/dL (6.0-8.0 g/dL) Albumin 4.2g/dL (3.6-5.2g/dL) Alpha-1 0.0g/dL (0.1-0.4g/dL) Alpha-2 0.9g/dL (0.4-1.0g/dL) Beta 0.8g/dL (0.5-1.2g/dL) Gammma 1.4g/dL (0.6-1.6g/dL) The electrophoresis patter | show 🗑
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| show | monoclonal gammopathy
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| show | cirrhosis
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| show | at 100C
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| The electrophoretic pattern of plasma sample as compared to a serum sample shows a: | show 🗑
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| show | endosmosis
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| Refer to the following illustration: Total protein 7.8g/dL (6.0-8.0 g/dL) Albumin 3.0g/dL (3.6-5.2g/dL) Alpha-1 0.4g/dL (0.1-0.4g/dL) Alpha-2 1.8g/dL (0.4-1.0g/dL) Beta 0.5g/dL (0.5-1.2g/dL) Gammma 1.1g/dL (0.6-1.6g/dL) The serum protein electrop | show 🗑
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| Refer to the following illustration: Total protein 8.5g/dL (6.0-8.0 g/dL) Albumin 4.3g/dL (3.6-5.2g/dL) Alpha-1 0.3g/dL (0.1-0.4g/dL) Alpha-2 0.7g/dL (0.4-1.0g/dL) Beta 0.9g/dL (0.5-1.2g/dL) Gammma 2.3g/dL (0.6-1.6g/dL) The above serum protein | show 🗑
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| show | multiple sclerosis
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| show | immunofixation
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| show | transferrin
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| show | separation of iron from transferring
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| A patient's blood was drwan at 8 am for a serum iron determination. The result was 85 ug/dL (15.2umol/L). A repeat specimen was drawn at 8 pm; the serum was stored at 4 C and run the next morning. The result was 40 ug/dL (7.2 umol/L. These results are | show 🗑
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| An elevated serum iron with normal iron binding capacity is most likely associated with: | show 🗑
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| Decreased serum iron associated with increased TIBC is compatible with which of the following disease states? | show 🗑
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| show | iron hemochromatosis
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| To assure an accurate ammonia level results, the specimens should be: | show 🗑
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| Erroneous ammonia levels can be eliminated by all of the following except: | show 🗑
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| show | ammonia
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| show | renal functional impairment
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| In order to prepare 100 mL of 15 mg/dL BUN (5.35mmol/L) working standard from a stock standard containing 500 mg/dL(178.5 mmol/L)of urea nitrogen, the number of mL of stock solution that should be used is: | show 🗑
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| A patient with glomerulonephritis is most likely to present with the following serum results: | show 🗑
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| The principle excretory form of nitrogen is: | show 🗑
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| show | alkaline picrate solution to yield an orange-red complex
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| Creatinine clearance is used to estimate the: | show 🗑
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| A blood creatinine value of 5.0 mg/dL (442.0 umol/L) is most likely to be found with which of the following blood values? | show 🗑
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| show | creatinine measurement
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| Which of the following represents the end product of purine metabolism in humans? | show 🗑
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