CC/IS MRXUH exam Flashcards
(73 cards)
The ability of an analytical method to measure the smallest concentration of the analyte of interest
a. Sensitivity
b. Specificity
A. Sensitivity
The ability of an analytical method to measure only the analyte of interest
A. Sensitivity
B. Specificity
B. Specificity
Closeness of the result to actual value of an analyte when performing a test, more commonly called “hitting the bull’s eye”
A. Accuracy
B. Precision
A. Accuracy
Midpoint of distribution, 50th centile
A. Mean
B. Median
C. Mode
B. Median
Which of the following electrolytes is the chief cation in the plasma, is found in the highest concentration in the extravascular fluid, and has the main function of maintaining osmotic pressure
a. potassium
b. sodium
c. calcium
d. magnesium
B. Sodium
The single most important analyte in terms of an abnormality being immediately life-threatening. It functions for heart contraction, neuromuscular excitability, ICF volume regulation and hydrogen ion concentration
A. Sodium
B. Potassium
C. Chloride
B. Potassium
Most sensitive marker of acute alcoholic hepatitis
A. ALT
B. ALP
C. LD
D. GGT
D. GGT
All of the following are steroid hormones, except:
A. Testosterone
B. Aldosterone
C. Ephinephrine
C. Ephinephrine
LD cholesterol can be calculated from measurement of all of the following except:
A. Total cholesterol
B. HDL Cholesterol
C. Triglycerides
D. VLDL Cholesterol
D. VLDL Cholesterol
Beer’s law state that the concentration of a substance is ___ proportional to the amount of the light absorbed or proportional to the logarithm of the transmitted light
A. Directly, Inversly
B. Indirectly, Direct
C. Both directly proportional
D. Both inversely proportional
A. Directly, Inversly
The more light absorbed, the higher the concentration of analyte in this technique of measuring the amount of light absorbed by a solution
a. atomic absorption
b. fluorometry
c. nephelometry
d. spectrophotometry
D. Spectrophotometry
Primary hypothyroidism
A. Decreased t3 t4, decreased tsh
B. Increased t3 t4, increased tsh
C. Normal t3 t4, increased tsh
D. Decreased t3 t4, increased tsh
D. Decreased t3 t4, increased tsh
Secondary hypothyroidism
A. Decreased t3 t4, decreased tsh
B. Increased t3 t4, increased tsh
C. Normal t3 t4, increased tsh
D. Decreased t3 t4, increased tsh
A. Decreased t3 t4, decreased tsh
Which of the following methods provides information about glucose metabolism over a 3-month period
A. Fructosamine
B. Glycosylated Hb
C. Glucose oxidase
D. Oral glucose tolerance
B. Glycosylated Hb
All are caused of hyponatremia due to increased water retention, except
A. Nephrotic syndrome
B. Renal failure
C. Hepatic cirrhosis
D. Diabetes insipidus
D. Diabetes insipidus
Which of the following plots is the best for detecting all types of QC errors
A. Levy-jennings
B. Cusum
C. Tonks-youden
D. Linear regression
A. Levy-jennings
Measurement of potential (voltage) between two electrodes; concentration of ions in a solution can be calculated from the measured potential difference between the two electrodes
A. Coulometry
B. Potentiometry
C. Amerometry
D. Voltametry
B. Potentiometry
The most likely cause for serum/plasma to appear “milky” is the presence of
A. Chylomicrons
B. VLDL
C. LDL
D. HDL
A. Chylomicrons
Major risk factor for coronary heart disease (CHD)
A. Hypercholesterolemia
B. High HDL
C. Hypertriglyceridemia
D. Low LDL
C. Hypertriglyceridemia
Which of the following is a low-weight protein that is found on the cell surfaces of nucleated cells?
A. C-reactive protein
B. Ceruloplasmin
C. B2-microglobulin
D. A2-macroglobulin
C. B2-microglobulin
Which test, if elevated, would provide information about risk for developing coronary artery disease
A. Troponin
B. Hs-CRP
C. CK-MB
D. Myoglobulin
B. Hs-CRP
Hyponatremia due to increased water retention, except
A. SIADH
B. Hepatic Cirrhosis
C. Renal Failure
D. Sever burns
D. Sever burns
All of the following conditions are associated with hypercalcemia, except
A. Cancer
B. Hypoparathyroidism
C. Hyperparathyroidism
D. Multiple myeloma
B. Hypoparathyroidism
This gland is called the “master gland” of the endocrine system
A. Pineal
B. Thymus
C. Pituitary
D. Thyroid
C. Pituitary