Demetrius

Thayer-Martin antibiotics and what they inhibit correct answer: Vancomycin - Gram Positive Trimethoprim - Proteus Colistin - Gram Negative Yeast - Nystatin The persistent survival of microorganisms on a surface of the human body: correct answer: Colonization What bacteria is associated with swimmer's ear? correct answer: Pseudomonas aeruginosa What reagent is used in the catalase test? correct answer: Hydrogen Peroxide PEA is what type of agar? correct answer: Selective H...

A creatinine clearance is done on a patient with the following results: serum creatinine, 0.6 mg/dL; urine creatinine, 102 mg/dL; urine volume, 1650 mL/24 hours; body surface area, 1.93 m2 (avg BSA is 1.73m2). This patient's creatinine clearance, corrected for body surface area, is: A. 217 mL/min B. 175 mL/min C. 130 mg/dL D. 195 mL/min E. 93 mL/min correct answer: 175 mL/min The equation for estimating GFR (glomerular filtration rate) includes 4 variables: A. serum creatinine concent...

Causes of blood urea nitrogen (BUN) increase correct answer: - decreased Glomerular Filtration rate - increased urea production of liver - increased dietary protein and GI bleeding Causes of creatinine Increase correct answer: - less than 25% of original renal function - Muscle damage - decrease GFR Causes of Creatinine Decrease correct answer: - younger animals have a lower serum creatinine - Cachexia causes lower levels Causes of Serum phosphorus increase correct answer: - ...

Wavelength correct answer: Distance between 2 successive peaks (nm) Lower Frequency = Longer wavelength (RED) Higher frequency = Shorter wavelength (VIOLET) Spectrophotometric measurement correct answer: measures light intensity in a narrower wavelength Photometric measurement correct answer: measures light intensity without consideration of wavelength multiple wavelength (uses filter only) LASER correct answer: Light source for Spectrophotometry Visible region correct answer:...

clinical laboratory water is used for correct answer: •in preparation of reagents. •as a diluent for controls and calibrators. •to flush and clean internal components of analyzers. •as a medium in heating bath to incubate cuvettes. •to wash and rinse laboratory glassware. Revolutions per minute (RPM) correct answer: is a unit of expressing the number of complete rotations of a rotor occurring per minute. It is a measure of speed. 1.Removes cellular elements from blood to ob...

The total protein biuret method measures? correct answer: Biuret reacts with the peptide bonds in protein. Forms complex between peptide bonds + cupric ions (Cu2+) Reference range of serum protein correct answer: 6.2-8.5 g/dL Reference range of CSF protein correct answer: 15-45mg/dL If a woman is having twins, which globulin would be elevated, produced by the fetal yolk. correct answer: alpha1-fetoprotein Beta gamma bridge correct answer: no alpha 1 correct answer: neph...

Potassium - Major Intracellular cation Electrolytes - Ions capable of carrying an electric charge Anions, cations - Two types of Ions Anions - Ions that carry (-) charge and move toward the anode Cl, HCO3, PO4 - Example of anions Cations - Ions that carry (+) charge and move toward the cathode Na, K, Mg, Ca - Example of cations 40%-75% - percentage of water in body weight Nutrients - Water transport _____ to the cells Cell volume - Water determines __________ Waste ...

AAS correct answer: Measures the light asorbed by atoms dissociated by heat; uses diffraction gratings Cholinesterase/pseudocholinesterase correct answer: Decrease in hepatocyte injury Enzymatic correct answer: Cholesterol ester to cholesterol and fatty acids Albumin or A/G ratio correct answer: Liver function test for protein synthesis Hyperthyroidism correct answer: Increased T3 and T3 uptake Hypothyroidism correct answer: Decreased T4 and T3 uptake Leibermann-burchardt...

What is acidosis correct answer: a ph below 7.35 What is alkalosis correct answer: a ph above the reference 7.45 Normal range of ph correct answer: 7.35-7.45 How does the lungs help regulate ph correct answer: retention or elimination of co2 by changing the rate or volume of ventilation How do the kidneys regulate ph correct answer: excreting acid and reclaiming HCO3 from the glomerular filtration What is the formula for henderson-hasselbach equation correct answer: PH= HCO3...

Nelson-Somogyi method - blue; copper reduction Dubowski reaction - orthotoluidine/condensation method correct answer: Glucose Van Handel Zilversmit method - chromotropic acid + H2SO4 correct answer: Triglyceride Lieberman Burchard reaction correct answer: Free cholesterol Biuret reaction - violet correct answer: Total CHON by peptide bonds Parfentjev reaction correct answer: Fibrinogen Jaffe reaction correct answer: Creatinine Fearon reaction Berthelot reaction - Na hyp...

Which of the following is considered a lipid? correct answer: Cholesterol According to the National Cholesterol Education Program, which lipid or lipoprotein class is more important for therapeutic decision making? correct answer: LDL WHAT MECHANISM ACCOUNTS FOR THE ELEVATED PLASMA LEVEL OF BETA LIPOPROTEINS SEEN IN HYPERBETALIPOPROTEINEMIA (FREDRICKSON'S TYPE II LIPOPROTEINEMIA)? correct answer: APO B-100 RECEPTOR DEFECT Which of the following enzymes is common to all enzymatic met...

Clinical Chemistry Exam 5 Questions With Complete Solutions

Bessy-lowry brock correct answer: not a procedure for determining glucose Calcium correct answer: reciprocal of phosphorus Theophylline correct answer: drug will relax the smooth muscles of the bronchial passage Van handel-zilversmit correct answer: colorimetric principle for triglycerides assay Fibrinogen correct answer: difference between serum and plasma, is that serum does not contain: Uric acid correct answer: the end product of purine catabolism in human is: Kidney ...

Bilirubin will develop a violet color after adding correct answer: Methyl Alcohol A urine exhibits yellow foam upon on being shaken should be suspected of having increase concentration of correct answer: Bilirubin An enzyme may be defined as correct answer: Biological Catalyst Hemolysis will interfere with all of the ff enzyme except correct answer: Aspartate Aminotransferase (AST) High Alkaline phosphate in the present of other negative liver function tests is indicative of corr...

Spectrophotometer correct answer: Measures concentration in a solution by calculating absorbance from the transmitted light Beer's law correct answer: Concentration of a substance is directly proportional to absorbed light or inversely proportional to the logarithm of transmitted light Fluorescence or fluorometry correct answer: The emited light of some substances is at a longer wavelength than the absorbed light Turbidimetry correct answer: Method that measures the scattered light...

CK is storage of high-energy _____ in muscle cells correct answer: Creatine phosphate Highest activities of CK are in these tissues correct answer: CNS, Heart, Skeletal muscle Forward Reaction used in CK determination correct answer: Tanzer-Givarg Measure ____ in absorbance at _____ correct answer: Decrease, 340nm Optimum pH in Tanzer-Givarg correct answer: 9.0 Reverse Reaction used in CK determination correct answer: Oliver-Rosalki Oliver Rosalki determine ____ in absorb...

Spectrophotometry correct answer: Measures the array of lights or radiant energy absorbed or transmitted Beer-Lambert's Law correct answer: Concentration of a substance is directly proportional to the amount of light absorbed, or the logarithm of transmitted light Exciter lamp correct answer: Spectrophotometry: serves as a source of light energy Entrance slit correct answer: Spectrophotometry: controls the amount of light that enters the monochromator Monochromator correct answe...

Enzymes that can bind only one substrate and catalyze one reaction exhibit which type of binding specificity? correct answer: Absolute binding The rate of an enzymatic reaction will ___________________ for every 10 degrees C temperature increase until the enzyme denatures. correct answer: Double All of the following conditions may result in a rise in CKBB levels except. a. Child birth b Spinal chord injury c. Myocardial infarction d. Brain tumor correct answer: c. Myocardial infarct...

Increased sodium loss, increased water retention correct answer: Causes of hyponatremia Hypoaldosteronism, K deficiency, diuretic use, salt-losing nephropathy, severe burns correct answer: Causes of increased sodium loss Renal failure, SIADH, nephrotic syndrome, chronic heart failure, hepatic cirrhosis correct answer: Causes of increased water retention GI loss, cellular shift, renal loss, decreases intake correct answer: Causes of hypokalemia Vomiting,diarrhea, gastric suction, ...

Glucose testing is done in which tube? correct answer: Grey, sodium flouride Electrolytes that increase in plasma during hemolysis? correct answer: K+, LD, ALD, ACP, Mg2+, PO4 Glucose levels decrease ____mg/dL per hour? correct answer: 10 mg/dL Fasting glucose RR? correct answer: 70-99 mg/dL Normal CSF glucose values? correct answer: 60-65% of serum glucose arterial/capillary glucose is ____ higher than venous? correct answer: 2-3 mg/dL Insulin source? correct answer: be...