MLT Chemistry Exam Study Guide with Complete Solutions

MLT Chemistry Exam Study Guide with Complete Solutions In the liver, bilirubin is converted to - Answer️️ -Bilirubin diglucuronide The electrophoretic pattern of a plasma sample as compared to a serum sample will show - Answer️️ -A sharp fibrinogen peak The biuret reaction for the analysis of serum protein depends on the number of - Answer️️ -Peptide bonds Total iron-binding capacity measures the serum iron transporting capacity of - Answer️️ -Transferrin In the Jendrassik-Grof method for the determination of serum bilirubin concentration, quantitation is obtained by measuring the green color of - Answer️️ -Azobilirubin Absorbance (A) of a solution may be converted to percent transmittance (%T) using the formula: - Answer️️ -2 - log %T Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) are both elevated in which of the following diseases? - Answer️️ -Viral hepatitis Calcium concentration in the serum is regulated by: - Answer️️ -Parathyroid hormone Which of the following steroids is an adrenal cortical hormone? - Answer️️ - Corticosterone ©SOPHIABENNETT EXAM SOLUTIONS Saturday, September 7, 2024 6:58 PM Page | 2 Blood pCO2 may be determined by - Answer️️ -Calculations of blood pO2 and total CO2 concentration In the potentiometric measurement of hydrogen ion concentration, reference electrodes that may be used include - Answer️️ -Silver-Silver chloride In a spectrophotometer, light of a specific wavelength can be isolated from white light with a(n): - Answer️️ -Diffraction grating The osmolality of a urine or serum specimen is measured by a change in the: - Answer️️ -Freezing point Which of the following serum constituents is unstable if a blood specimen is left standing at room temperature for eight hours before processing? - Answer️️ -Glucose A urine screening test for porphobilinogen is positive. The MOST likely disease state is: - Answer️️ -Acute porphyria attack In electrophoretic analysis, buffers: - Answer️️ -Act as a carrier for ions An elevated serum iron with normal iron binding capacity is most likely associated with: - Answer️️ -Pernicious anemia The stimulant that causes localized sweating for the sweat test is: - Answer️️ - Pilocarpine nitrate Formula for calculating serum osmolality that incorporates a correction for the water content of plasma - Answer️️ -2 Na + (Glucose/20) + (BUN/3) Osmolal gap is the difference between - Answer️️ -The calculated and measured osmolality values ©SOPHIABENNETT EXAM SOLUTIONS Saturday, September 7, 2024 6:58 PM Page | 3 Which of the following applies to cryoscopic asmometry? - Answer️️ -The temperature at equilibrium is a function of the number of particles in a solution Most of the carbon dioxide present in blood is in the form of - Answer️️ -Bicarbonate ion The degree to which the kidney concentrates the glomerular filtrate can be determined by - Answer️️ -Urine to serum osmolality ratio A physician suspects his patient has pancreatitis. Which test would be most indicative of this disease? - Answer️️ -Amylase The cyclic antidepressants are classified as: - Answer️️ -Basic drugs In a specimen collected for plasma glucose analysis, sodium fluoride - Answer️️ - Inhibits glycolysis The average osmolal gap is near: - Answer️️ -0 To be analyzed by gas liquid chromatography a compound must - Answer️️ -Be volatile or made volatile The solute that contributes the most to the total serum osmolality is - Answer️️ - Sodium Which of the following electrodes is based on the principle of ampero metric measurement? - Answer️️ -pO2 electrode Which family of steroid hormones is characterized by an unsaturated A ring? - Answer️️ -Estrogens What chemical determination may be of help i