ST- CLIN CHEM Flashcards
- Which statements refer to Type 1 diabetes? A. Result from B-cell destruction and usually diagnosed in children. B. Results from B-Cell destruction and usually leads to absolute insulin deficiency, and usually diagnosed in children. C. Usually leads to absolute insulin deficiency and is usually diagnosed in children. D. results from B-cell destruction and usually leads to absolute insulin deficiency.
B. Results from B-Cell destruction and usually leads to absolute insulin deficiency, and usually diagnosed in children
- Which analyte is SIGNIFICANTLY affected by a change in posture from supine to a sitting or standing position? A. Protein B. Calcium C. Aldosterone D. Magnesium
B. Calcium
- Which are the causes of random error?
1 . Temperature of analyzer
2 . Reagent dispensing
3 . Instability of instrument
4 . Calibration differences
A. 1 and 4 B. 2 and 3 C. 1,2,3 and 4 D. 1,2, and 3
D. 1,2, and 3
- Electrolytes, glucose, BUN, Creatinine, and osmolality examinations have been performed on a patient suspected of ingesting ethanol. What can be done to help reveal this condition without additional tests? A. Determine anion gap B. Determine glycemic index C. Compare measured and computed osmolality D. Compute osmolality
C. Compare measured and computed osmolality
- Which protein is quantified by standard protein electrophoresis
1 . Fibrinogen
2. Transferrin
3 . C3
A. 1,2, and 3 B. 1 and 2 C. 2 and 3 D. 1 and 3
C. 2 and 3
- Which of the following refer to 13s?
1 . Range between two observations in the same run exceed
2 . 4 SD Detects Imprecision or systematic bias
3 .Rejected and there will be additional investigation
4 . One observation exceeds 3SD from the target.
A. 2 and 4 B. 2 and 3 C. 1 and 3 D. 3 and 4
D. 3 and 4
- Which statement is NOT true about Leutenizing Hormone? A. Acts on Leydig cells which stimulate the production of androgens B. Involved in the development of corpus luteum, especially in its secreting phase C. Involved during the formation of gametes D. Has no specific function during the development of primary sex organs
D. Has no specific function during the development of primary sex organs
- Which is a pathologic cause of increased AMS? A. Acute abdominal disorder B. Intestinal obstruction C. Acute Pancreatitis D. Perforated duodenal ulcer
C. Acute Pancreatitis
- Which electrolytes are essential components in acid-base balance?
1 . Bicarbonate
2 . Calcium
3 . Potassium
4 . Chloride
A. 1, 3, and 4 B. 1, 2, and, 3 C. 1 and 4 D. 2 and 3
A. 1, 3, and 4
- Which are acceptable dress code policy in the laboratory?
1 . Comfortable foot wear such as sandals and flip-flops
2 . Clean laboratory coats
3 . Minimal use of jewelry
4 . Shoulder-length hair pulled back and secured
A. 1 and 4 B. 2, 3, and 4 C. 1 and 2 D. 2 and 3
B. 2, 3, and 4
- Which characterizes chronic glomerular nephritis?
1 Slowly developing disease
2 Gradual uremia
3 Loss of functioning nephrons
A. 1 and 2 B. 1 and 3 C. 2 and 3 D. 1, 2 and 3
D. 1, 2 and 3
- Which illicit drug is commonly referred to as “ecstasy”? A. Phencyclidine B. Cocaine C. Opiates D. Methylenedioxymethylamphetamine (MDMA)
D. Methylenedioxymethylamphetamine (MDMA)
- Which compares the result obtained for one specimen with the previous results (s) obtained for the same patient? A. Randomized duplicate specimen B. Average normals C. Delta check D. Pattern recognition
C. Delta check
- Which Immunoassay method for Thyroxine Testing is referred to? Fluorogenic substrate – labeled thyroxine competing with patient T4 for antibody only unbound, leftover labeled T4 reacts with enzyme to form product reaction is directly A. Microparticle Enzyme B. Chemiluminescence C. Fluorescent Substrate-Labeled Inhibition D. Fluorescent Polarization
C. Fluorescent Substrate-Labeled Inhibition
- Which is the MOST likely disease? TSH - increased T4 (total) - increased FT4 - increased T3 - increased A. Secondary hypothyroidism B. Secondary hyperthyroidism C. Primary hyperthyroidism D. Primary hypothyroidism
B. Secondary hyperthyroidism
- Which inhibits growth hormone secretion, except? A. Glucose loading B. Amino acids C. Thyroxine deficiency D. Insulin deficiency
B. Amino acids
- Which are causes of random error? (1) Sample evaporation (2) Electro-optical mechanism (3) Variation in handling techniques (4) Variation in operators A. 1 and 2 B. 3 and 4 C. 1, 2, 3, and 4 D. 1, 3, and 4
C. 1, 2, 3, and 4
- Which serve as first responders to stress by acting within seconds? A. Cortisol B. Aldosterone C. Catecholamine D. DHEA
C. Catecholamine
- A substance that can yield a hydrogen ion (H) or hydronium ion when dissolved in water is a: A. Buffer B. Alkali C. Acid excess D. Acid
D. Acid
- Lithium is a: A. CNS stimulant B. CNS depressant C. Hallucinogen D. Antidepressant
D. Antidepressant
- Which hyponatremia is NOT caused by increased sodium loss? A. Potassium deficiency B. Diuretic use C. Renal failure D. Severe burns
C. Renal failure
- Which test conveys information on hepatocellular damage and necrosis A.Transaminases B.Albumin C.Bilirubin D.Ammonia
A.Transaminases
- Which is an indication of error in the analysis, detected by a progressive drift of control values in one direction for at least 5 consecutive runs? A.Shift B.Contraction C.Dispersion D.Trend
D.Trend
- Glucose measurement using the reducing substances approach may be erroneously higher by___ mg/dL compared to the enzymatic method? A.5-15 B. 25-30 C. 15-25 D. 10-20
A.5-15
- Which are acute phase reactants? Alpha-acid glycoprotein Alpha-antitrypsin C-reactive protein A. 2 and 3 B.1, 2, and 3 C. 1 and 3 D. 1 and 2
B.1, 2, and 3
26.The major role of regulation of water balance in the body is attributed to which cation A. Sodium B. Calcium C. Potassium D. Chloride
A. Sodium
- Which is considered as medical emergency? Ketoacidosis Glycosuria Marked Hyperkalemia A. 1 and 2 B. 1 and 3 C. 2 and 3 D. 1, 2 and 3
B. 1 and 3
- A comprehensive program in an institution in which all areas of operation are monitored to ensure quality with the aim of providing the highest quality patient care is? A. Assessment B. Control C. Assurance D. Systems
C. Assurance
29 .During drug administration, the spread of drug via circulatory system to organs and tissues throught the body is____________. A. Elimination B. Metabolism C. Distribution D. Absorption
C. Distribution
- Which is not attributed to Polycystic Ovarian Syndrome? A. Hirsutism B. Infertility C. Obesity D. Myxedema
D. Myxedema
- The 3-day old neonate, recently discharged from a delivery suite, has inadequate protein feeding for the next 24 hours after discharge. What will be the effect on the thyroxine levels compared to the normal reference ranges? A. Higher B. Indeterminate C. Nothing D. Lower
D. Lowe
- Positive displacement pipet: A. With no air cushion B. All of the items C. Can pipette high density samples D. Aspiration force remains constant
B. All of the items
- Which is a commonly used clearance test used as a rough estimate of glomerular filtration rate? A. eGFR B. Inulin C. CKD-EPI D. Creatinine
D. Creatinine
- What is the value of 200 mg/dL glucose in mmol/L? A. 8.5 B. 10.50 C. 11.0 D. 13.75
C. 11.0
- For 40 years old and above, there is moderate risk of developing coronary heart disease when cholesterol is greater than A. 240 mg/dL B. 280 mg/dL C. 200 mg/dL D. 260 mg/dL
A. 240 mg/dL
- HCG kit for pregnancy uses: A. Immunochromatography B. Colorimetry C. Turbidimetry D. Electrochemistry
A. Immunochromatography
- Cleaning surface with disinfectant: A. Administrative control B. Engineering control C. PPE D. Emergency kit
A. Administrative control
- NOT a physical hazard A. Ergonomic B. Noise C. Aerosols from centrifugation D. Opened shoes
C. Aerosols from centrifugation
- NOT included in SDS or MSDS A. Spill and disposal procedures B. Primary routes of entry C. Special information center D. Education of employees annually and catalog number
D. Education of employees annually and catalog number
- _____ of radiant energy emitted falls in the visible region, with most emitted as near-infrared A. 10% B. 15% C. 5% D. 20%
B. 15%