Thin layer chromatography Samenvattingen, Aantekeningen en Examens

Barbituates Four main categories: 1. Ultra-short-acting - used to induce surgical anesthesia 2. Short-acting 3. Intermediate-acting - used as sedative-hypnotics 4. Long-acting Butalbital Barbituate. Used in treatment of migraines. Phenobarbital Barbituate. Used as anticonvulsant. Pentobarbital Barbituate. Used to relieve intracranial pressure following trauma. Atropine Belladonna Alkaloid. Derived from certain plants including jimson weed and deadly nightshade. Used as a preanest...

Distinction Level BTEC Applied Science Assignment C, Chromatography. Separate to identify chromatography Keywords Mixture : a mixture is made when two or more substance are combined , but they are not chemically bonded together Chromatography : a method used to separate chemical mixtures for analysis Soluble :solubility is the degree to which a substance dissolves in a solvent to make a solution Solvent : the substance in which a solute dissolved to produce a homogeneous mixture Mobile ph...

Diurnal variation -Answer Changes in concentration of an analyte based on the time of the day (measured at day vs. night time) What is increased in the AM? (b/c of diurnal variation) -Answer ACTH, Cortisol, Iron ACTH -Answer adrenocorticotropic hormone- stimulates adrenal cortex to secrete CORTISOL How does stress affect chemistry values? -Answer Increase in ACTH, cortisol, and catecholamines Catecholamines -Answer Hormones made by adrenal glands (on top of kidneys) du...

ABMDI Board Certification Exam Questions With Verified Answers Barbituates - answerFour main categories: 1. Ultra-short-acting - used to induce surgical anesthesia 2. Short-acting 3. Intermediate-acting - used as sedative-hypnotics 4. Long-acting Butalbital - answerBarbituate. Used in treatment of migraines. Phenobarbital - answerBarbituate. Used as anticonvulsant. Pentobarbital - answerBarbituate. Used to relieve intracranial pressure following trauma. Atropine - answerBelladonna Alka...

Which of the following aminoacidopathies is NOT caused by an enzyme deficiency? Choose one answer. a. phenylketonuria b. alkaptonuria c. maple syrup disease d. cystinuria d. cystinuria What method is most commonly used to measure total protein? Choose one answer. a. dye binding b. Kjeldahl c. Biuret d. refractometry c. Biuret Which of the following is the preferred reagent for measuring albumin by the dye binding method because there is less interfering substances? Cho...

Which reagent is not an oxidizing agent? a. NaOCl b. KMnO4 c. K2Cr2O7 d. CrO3 e. H2O - H2O Which statement is false about preparing alkyl halide from alcohol with hydrogen halide? a. it is an SN1 reaction b. tertiary alcohols react faster than secondary alcohols c. the intermediate is a carbocation d. alkyl halide is soluble in conc. HCl e. in the reaction, the slowest step is the formation of a carbocation - alkyl halide is soluble in conc. HCl 2‐Chloro‐2‐methylpentane was tr...

Which is the detector of choice for nephelometers? Select one: a. diode array b. photomultiplier tube c. gas photodiode d. LED - ACCURATE ANSWERS b Which statement regarding turbidimetry is NOT correct? Select one: a. light scattered by solutes in the solution at 180° from the incident light is measured by a photon detector b. the measurement of light is made at right angles to the incident light c. scattered light is directly proportional to the number of particles in solution d. ...

Chemistry MLT Exam Questions and Revised Answers Which results will be falsely decreased in hemolyzed sample? A. Acid phosphatase B. Bilirubin C. Iron D. Postassium - Answer-B Which enzyme is decreased in insecticide poisoning, due to organophosphates? A. Alkaline phosphatase B. Amylase C. Cholinesterase D. Creatine kinase - Answer-C The buret method for determining serum total protein is dependent upon.. A. Amino acid content B. Number of peptide bonds C. Nitrogen content D....

Which is the detector of choice for nephelometers? Select one: a. diode array b. photomultiplier tube c. gas photodiode d. LED - ANSWER-b Which statement regarding turbidimetry is NOT correct? Select one: a. light scattered by solutes in the solution at 180° from the incident light is measured by a photon detector b. the measurement of light is made at right angles to the incident light c. scattered light is directly proportional to the number of particles in solution d. measures t...

Use of chromatography and different types - Chromatography is useful because it enables the separation, isolation, purification, and identification of components of extremely complex mixtures - There are different chromatography techniques: - Paper chromatography - Column chromatography - Thin layer chromatography - The results of chromatographic analysis are called chromatograms - The number of spots or peaks correspond to the number of components in the sample - If only one spot...