CLINICAL CHEMISTRY

100問 • 1年前

問題一覧

. Chief plasma cation whose main function is maintain osmotic pressure * 1/1 A) Chloride B) Calcium C) Sodium D) Potassium

C) Sodium

2. CICr is used to estimate * 1/1 A) Tubular secretion of creatinine B) Glomerular secretion of creatinine C) Renal glomerular and tubular mass D) Glomerular filtration rate

D) Glomerular filtration rate

3. Where is the thyroid gland located? * 1/1 A) lower anterior neck B) lower posterior neck C) upper anterior neck D) upper posterior neck

A) lower anterior neck

4. Sample of choice for electrolyte testing: * 1/1 A) Whole blood B) Urine C) Plasma D) Serum

C) Plasma

. Liver function tests are usually based on which principle? * 0/1 A) photometry B) turbidimetry C) nephelometry D) ISE

A) photometry

6. Considered a lipid? * 1/1 A) HDL B) LDL C) Chylomicron D) Cholesterol

D) Cholesterol

Lead toxicity is acquired through the following EXCEPT: * 1/1 A) skin contact B) animal bite C) inhalation D) ingestion

B) animal bite

8. First step in preanalytic phase? * 1/1 A) Test order B) Patient preparation C) Patient identification D) Patient collection

A) Test order

. Not a physcial hazard: * 1/1 A) Ergonamic B) Noise C) Non-ionizing radiation D) Aerosol

D) Aerosol

10. Amount of substance: * 1/1 A) Kg B) L C) Candela D) Mole

D) Mole

3 uL is equivalent to _____ : * 1/1 A) 3E-6 L B) 3E-9 L C) 3E-12 L D) 0.003 L

A) 3E-6 L

What is the major excretory product of protein metabolism? * 1/1 A) Urea B) Ammonia C) Uric acid D) Creatinine

A) Urea

A in PASS is: * 1/1 A) Alert B) Alarm C) Aim D) Active

C) Aim

14. The CLSI allows less vigorous studies to verify a reference interval with as few as _____ subject specimens. * 1/1 A) 15 B) 20 C) 25 D) 30

B) 20

A new reference interval is established when there is no existing analyte or methodology in the reference laboratory with which to conduct comparative studies. It is costly and labor-intensive study that will involve laboratory resources at all levels and may require __ individuals * 1/1 A) 100 B) 110 C) 120 D) 130

C) 120

A Gaussian distribution is usually * 1/1 A) Bell-shaped B) Rectangular C) Uniform D) Skewed

A) Bell-shaped

At what serum concentration would glucose begin to appear in the urine * 1/1 A) 50 mg/dL B) 75 mg/dL C) 100 mg/dL D) 170 mg/dL

D) 170 mg/dL

Which of the following would be most adversely affected by a nonfasting sample? * 0/1 a) HDL b) LDL c) Cholesterol d) Triglycerides

d) Triglycerides

Which of the following apoproteins is inversely related to risk for coronary heart disease and is a surrogate marker for HDL? * 1/1 A) Apo A-I B) Apo B C) Apo B100 D) APO E

A) Apo A-I

Steroids are what class of lipids? * 0/1 A) Glyceride B) Non glyceride C) Fatty acid D) Complex

B) Non glyceride

Which of the following sets of values for repeat analyses of a QC sample (target value of 50) reflects the best precision? * 1/1 A) 50, 51, 52 B) 50, 52, 56 C) 48, 50, 52 D) 44, 50, 53

A) 50, 51, 52

hich of the following would NOT be a typical methodology for a clinical chemistry test? * 0/1 a) Immunoturbidimetry b) Microscopy c) EMIT® d) ISE

b) Microscopy

How should a laboratory verify the reference range it uses for a particular test? * 1/1 a) Call another laboratory b) Use the numbers from a textbook c) Test samples from healthy people d) Look on a medical internet site.

c) Test samples from healthy people

Which test is the most specific for myocardial infraction? * 1/1 A) LDH B) CK C) Troponin D) Myoglobin

C) Troponin

Which of the following enzymes catalyzes the conversion of starch to glucose and maltose? * 1/1 a) Lipase b) Amylase c) ALT d) GGT

b) Amylase

If a screening TSH is high, which test is likely to be ordered next? * 1/1 A) Cholesterol B) Free T4 C) Ferritin D) Glucose

B) Free T4

The sample of choice for measuring blood osmolality: * 1/1 A) Serum B) Plasma C) Whole blood D) Urine

A) Serum

A hormone that is also an enzyme * 1/1 A) Renin B) Vasopressin C) TSH D) Cortisol

A) Renin

Buffer used in ALP analysis: * 1/1 A) Tris B) Acetic acid C) Hydrochloric acid D) Bicarbonate

A) Tris

Used to calibrate pH meter: * 1/1 A) Distilled water B) Tap water C) Buffer D) Saline

C) Buffer

NOT true of CRP * 1/1 A) chronic inflammatory marker B) APR C) Plasma protein D) acute inflammatory marker

A) chronic inflammatory marker

What is 1440 in the Creatinine Clearance equation? * 1/1 A) Constant B) GFR C) Correction for body mass D) Average body surface

A) Constant

Unit for urine creatinine: * 0/1 A) mL/min B) mg/dL C) g/dL D) g/L

B) mg/dL

ADH secreted by the? * 0/1 A) Hypothalamus B) Anterior pituitary gland C) Posterior pituitary gland D) Adenohypophysis

C) Posterior pituitary gland

This safety equipment required to expel noxious and hazardous fumes from chemical reagents * 0/1 A) Biological safety cabinet B) Fume hoods C) Chemical Storage Equipment D) HEPA filter

B) Fume hoods

Not true about MSDS * 1/1 A) Readily accessible to employees B) Educate some employees annually C) A standardized format is not mandatory D) Incudes information about PPE recommendations

B) Educate some employees annually

An administrative control: * 1/1 A) Handwashing station B) PPE C) Exhaust fan D) Disinfecting work place

D) Disinfecting work place

How do you define if the patient intentionally uses drugs that are unhealthy and illegal? * 1/1 A) Misuse of drugs B) Drug abuse C) Drug dependence D) Drug induced

B) Drug abuse

How do you define if the patient uses medicine that is not intended for him/her? * 1/1 A) Misuse of drugs B) Drug abuse C) Drug dependence D) Drug induced

A) Misuse of drugs

A specimen was received in your section. You noticed that the first name and last name of the patient matches the request form but the middle name does not. Who should you ask about the specimen? * 1/1 A) Medtech who received the specimen B) Receptionist C) Nurse ward D) Watcher

B) Receptionist

Of the following, which will MOST likely interfere with quantitation of thyroglobulin? * 1/1 A) Antithyroglobulin autoantibodies B) Thyroid-stimulating antibodies C) TSH receptor antibodies D) Thyroid peroxidase antibodies

A) Antithyroglobulin autoantibodies

Pseudohyperkalemia is a result of * 0/1 A) Excessive sweating B) Diuresis C) CKD D) In vitro phenomenon

D) In vitro phenomenon

Thyroxine - present in largest amount: * 1/1 a) Free b) Ionized c) Bound to albumin d) Bound to globulin

d) Bound to globulin

Parameter/s for Levey Jennings Chart * 1/1 a) CV and mean b) SD and CV c) Mean and SD d) Mean only

c) Mean and SD

Chemicals with low flash points should be stored in * 0/1 a) Cupboard b) Under the bench top c) Cold room d) Away from flames

d) Away from flames

Which is least helpful in diagnosis of phaeochromocytoma? * 1/1 a) Plasma catecholamines b) Urine VMA c) Plasma free metanephrines d) Urine metanephrines

b) Urine VMA

Which tube should not be used in Chemistry test? * 1/1 a) Red b) Lavander c) Yellow d) Mottled

b) Lavander

Convert 5dL to L * 1/1 a) 50 L b) 500 L c) 0.05 L d) 0.5 L

d) 0.5 L

Analyte measured in Wilsons disease * 1/1 a) Hemoglobin b) Haptoglobin c) Ceruloplasmin d) Copper

c) Ceruloplasmin

Estrogen is made by following, except: * 1/1 a) Adrenal gland b) Ovaries c) Fibrous tissue d) Fatty tissue

c) Fibrous tissue

he main estrogen produced by the ovaries and used to evaluate ovarian function is: * 1/1 a) Estriol b) Estradiol c) Epiestriol d) Estrogen

b) Estradiol

Waldenstrom & Multiple myeloma have which of the following in common: * 1/1 a) Decreased IgG d) Decreased IgM c) Increased IgM d) Increased IgG

c) Increased IgM

Target medications for patient with CHD * 1/1 a) LDL-c b) HDL-c c) TAG d) CHOLE

a) LDL-c

Enzyme first to increase in Myocardial injury? * 1/1 a) Troponin b) CK MB c) AST d) LD

b) CK MB

Indication for ALA testing * 1/1 a) Lead poisoning b) CHD c) Diabetes Mellitus d) Chronic Granulomatous disease

a) Lead poisoning

Hypoxanthine-guanine phosphoribosyl transferase deficiency will lead to increased? * 1/1 a) Purine b) Urea c) Creatinine d) Creatine

a) Purine

When albumin is present in ascites, serum albumin is? * 1/1 a) Increased b) Decreased c) Variable d) Not affected

b) Decreased

Organ that has the capacity to breakdown stored glucose * 0/1 a) Liver b) Pancreas c) Spleen d) Kidney

a) Liver

Which is not commonly used in Clinical Chemistry * 1/1 a) Microscopy b) EMIT c) Spectrophotometer d) Gas-discharge lamps

a) Microscopy

One point calibration for blood gas every * 1/1 a) 1 hr b) 30 mins c) Daily d) Monthly

b) 30 mins

Identify the parent substance for the biosynthesis of androgen and estrogen: * 1/1 a) Cholesterol b) Progesterone c) Cortisol d) Catecholamines

a) Cholesterol

Not true about Ceruloplasmin * 0/1 a) Copper- cotanining b) APR c) Negative APR d) May be increased during pregnancy

c) Negative APR

Not part of liver function * 1/1 a) Creatinine b) ALT c) GGT d) ALP

a) Creatinine

n puberty stage, FSH and LH are secreted by which gland/ organ? * 0/1 a) Hypothalamus b) Anterior pituitary gland c) Posterior pituitary gland d) Neurohypophysis

b) Anterior pituitary gland

What is the dilution FACTOR is 40 uL of sample added to 260 uL of diluent? * 1/1 a) 7.5 uL b) 8 uL c) 7.0 uL d) 8.6 uL

a) 7.5 uL

Beer’s law * 1/1 a) A= abc b) A= 2-log%T c) A= log100/(%T) d) AOTA

d) AOTA

Useful for estimating the amount of ethanol present in the serum? * 0/1 a) AG b) Osmolal gap c) Calculated osmolality d) Neither

b) Osmolal gap

Screening tests for Cushing syndrome, except: * 0/1 a) 24-hour urinary free cortisol test b) Overnight dexamethasone test c) Midnight plasma cortisol d) Salivary Cortisol test

c) Midnight plasma cortisol

n the H-H equation, denominator refers to * 1/1 a) Kidney b) Lungs c) Liver d) Pancreas

b) Lungs

Why unconjugated bilirubin is not excreted in urine? * 0/1 a) bound to albumin b) water soluble c) water insoluble d) bound to globulin

c) water insoluble

Which type of bilirubin cannot be excreted in urine? * 1/1 a) B1 b) B2 c) Delta bilirubin d) Conjugated bilirubin

a) B1

Color not found in Bunsen burner fire * 1/1 a) Blue b) Orange c) Yellow d) Red

d) Red

What is the major isoenzyme in the sera of a healthy person? * 1/1 a) LD-1 b) LD-2 c) LD-3 d) LD-4

b) LD-2

The following drug/s used commonly as analgesic, antipyretic and anti-inflammatory drug: 1. Acetaminophen 2. Aspirin 3. Salicylates 4. Acetylsalicylic acid * 0/1 a) 2 only b) 1, 2, and 4 c) 1, 3, and 4 d) 2,3 and 4

d) 2,3 and 4

Glucose oxidase oxidizes glucose to gluconic acid and: * 0/1 a) H2CO2 b) CO2 c) HCO3 d) H2O

b) CO2

Anticoagulant of choice for lipoprotein measurements * 0/1 a) Potassium oxalate b) Sodium Citrate c) Heparin d) EDTA

d) EDTA

onvert 500 mg/dL to fibrinogen to g/L * 0/1 a) 0.05 b) 0.5 c) 5 d) 50

c) 5

Which of the following regions in electromagnetic spectrum would have the shortest and highest energy? * 1/1 a) Gamma rays b) Ultraviolet c) Visible d) Infrared

a) Gamma rays

The diagnostic criteria for insulinoma include: 1. Signs and symptoms of hyperglycemia 2. Plasma glucose level ≤50 mg/dL 3. Low insulin, pro-insulin, and C-peptide levels 4. High B-hydroxybutyrate level * 1/1 a) 1 and 4 b) 2 only c) 1,2, and 3 d) 1,2,3,4 and 5

b) 2 only

A BUN result of 15 mg/dL is obtained by a Medical technologist. What is the equivalent urea concentration? * 1/1 a) 32.1 mg/dL b) 30.2 mg/dL c) 39 mg/dL d) 3.5 mg/dL

a) 32.1 mg/dL

Calculate the concentration of the unknown analyte give the following data: o Concentration of standard= 100mg/dL o Absorbance of the standard= 0.048 o Absorbance of the sample= 0.039 * 1/1 a) 0,8125 mg/dL b) 123.07 mg/dL c) 81.25 mg/dL d) 1.23 mg/dL

c) 81.25 mg/dL

What type of hyperlipoproteinemia do the following result indicate? TC= NORMAL TG= HIGH VLDL= INCREASED LDL= NORMAL CM= NOT PRESENT SERUM= TURBID * 0/1 a) Type 1 b) Type 2a c) Type 3 d) Type 4

d) Type 4

According to the NCEP guidelines for allowable analytical error, the CV (%) FOR LDL-c must not exceed: * 0/1 a) 3% b) 4% c) 5% d) 9%

b) 4%

The following plasma proteins act as negative acute-phase reactants EXCEPT: * 1/1 a) Albumin b) Transferrin c) Prealbumin d) Serum amyloid A

d) Serum amyloid A

Which of the following are a2-globulins? 1. Haptoglobin 2. Inter-a-trypsin inhibitor 3. Ceruloplasmin 4. a-fetoprotein * 1/1 a) 1 and 3 b) 2 and 4 c) 1,2, and 3 d) 1,2,3, and 4

a) 1 and 3

Which of the following cells synthesize C-reactive protein? * 1/1 a) C cells of the thyroid b) Hepatocytes c) Plasma cells d) Endothelial cells

b) Hepatocytes

The clinical manifestation of jaundice develops when total bilirubin levels exceed: * 0/1 a) 3.0 µmol/L b) 51.3 µmol/L c) 17.1 µmol/L d) 15 µmol/L

b) 51.3 µmol/L

The following electrolytes are involved in myocardial contractility and neuromuscular excitability: 1. Magnesium 2. Potassium 3. Phosphate 4. Calcium * 1/1 a) 1,2, and 3 b) 2,3, and 4 c) 1,2, and 4 d) 2 and 3

c) 1,2, and 4

Which of the following conditions is associated with hypernatremia? * 1/1 a) Diabetes insipidus b) Hypoaldosteronism c) Diarrhea d) Acidemia

a) Diabetes insipidus

The following results were seen on a blood sample: Analyte Na+ = 140 mEq/L Cl- = 105 mEq/L Result K+ = 15.0 mEq/L HCO3 = 22 mmol/L The technologist should do which of the following? * 1/1 a) Report the results b) Repeat and check the chloride result c) Repeat and check the Na+ result d) Check the sample for hemolysis

d) Check the sample for hemolysis

A green-colored solution should show highest transmittance at: * 1/1 a) 475 nm b) 525 nm c) 585 nm d) 620 nm

b) 525 nm

Which of the following tumor markers is used to monitor persons with breast cancer for recurrence of disease? * 1/1 a) Cathepsin-D b) CA-15-3 c) Retinoblastoma gene d) Estrogen receptor (ER)

b) CA-15-3

Which of the following trace element is considered an essential micronutrient? * 1/1 a) Thalium b) Aluminum c) Mercury d) Selenium

d) Selenium

Thyroid hormones are derived from the amino acid: * 1/1 a) Phenylalanine b) Methionine c) Tyrosine d) Histidine

c) Tyrosine

Which of the following blood alcohol concentrations is associated with impaired consciousness? * 0/1 a) 0.01-0.05% w/v b) 0.18-0.30% w/v c) 0.27-0.40% w/v d) 0.35-0.50% w/v

c) 0.27-0.40% w/v

Post-traumatic bleeding and hemorrhagic disease of infancy are associated with a deficiency of * 1/1 a) Retinol b) Cholecalciferol c) Tocopherol d) Phylloquinone

d) Phylloquinone

A patient’s arterial blood gas results are as follows: pH= 7.33 pCO2= 75 mmHg HCO3-= 37 mmol/L These values are consistent with: * 1/1 a) uncompensated respiratory acidosis b) partially compensated respiratory acidosis c) uncompensated metabolic acidosis d) partially compensated metabolic acidosis

b) partially compensated respiratory acidosis

Instrument that uses gratings? * 0/1 a) FEP b) Spectrophotometer c) AAS d) Fluorometry

b) Spectrophotometer

What is the density of VLDL * 1/1 a) <0.93 b) 0.93-1.006 c) 1.019- 1.063 d) 1.063- 1.21

b) 0.93-1.006

100

What is the value in CV(%) of BIAS for LDL-c? * 0/1 a) ±3% b) ±4% c) ±5% d) ±6%

b) ±4%

other names parasitology

Yves Laure Pimentel · 70問 · 2年前

other names parasitology