Inactivation - Study guides, Class notes & Summaries

Which of the following is a local anesthetic subject to inactivation by plasma esterases? a) procaine b) lidocaine c) prilocaine d) mepivacaine e) bupivacaine - procaine - only ester listed, rest are amides Procaine differs from lidocaine in that a) procaine is a p-aminobenzoic acid ester and lidocaine isn't b) lidocaine is meta-aminobenzoic acid ester and procaine isn't c) the duration of action of procaine is longer than that of an equal dose of lidocaine d) procaine hydrochlori...

CBNS 120 FULL PROBLEM SET QUESTIONS AND ANSWERS, GRADED A+/ VERIFIED. The slow AHP (after-hyperpolarization lasting for tens of milleseconds to seconds) results from: - -Calcium Activated gK In the Hodgkin-Huxley squid axon experiments, the late outward current could be isolated by: - -B & C Only (treating the axon with TTX (tetrodotoxin) & Stepping the membrane potential to the Na equilibrium potential) At threshold for the action potential: - -The outward leak K current equals the i...

As the Metabolic Syndrome progresses towards overt type 2 diabetes, symptoms typically arise chronologically. Which of the following arrangements best represents the chronological order of their development, from earliest to latest. A. Hyperinsulinemia, insulin resistance, central adiposity, retinopathy. B. Central adiposity, insulin resistance, hyperinsulinemia, retinopathy C. Retinopathy, central adiposity, insulin resistance, hyperinsulinemia D. Insulin resistance, hyperinsulinemia, cen...

______ helps you locate the origin of a sound. - Answer-intensity differences, time differences, sound shadows ______ neurons tend to have fast effects by changing ion permeability, whereas _____ neurons typically produce slower effects on postsynaptic cells. - Answer-Ionotropic, metabotropic ______ of the cerebral cortex is involved in processing vision and is found ______. - Answer-The occipital lobe, near back of the brain ________ receptors sense the acceleration of touch, whereas ____...

Disinfection - destruction of vegetative pathogens; usually on inanimate objects. Antiseptic - agent which prevents bact. contamination and growth; usually on living tissue. Which agent doesn't necessarily work better at higher concentrations? - Alcohol, 70% (goldie lock zone)(60-80% most effective) (Ethyl and Isopropyl) -Alcohol is very effective to resistant to inactivation by organic materials (halogens are not good at this) Name the factors that affect a disinfectant activity. - -Cont...

MICR221 TEST QUESTIONS WITH ALL CORRECT ANSWERS Define disinfectant - Answer-Chemicals that are capable of killing microorganisms, cannot be applied to tissues, in the laboratory they are applied to inanimate surfaces and used in discard jars and buckets Define antiseptics - Answer-Chemical agents that kill or inhibit growth of microorganisms and are sufficiently non-toxic to be applied to living tissues Define preservatives - Answer-Included in pharmaceutical preparations or foods to pr...

Disposal of infectious materials: Off-site activationPackaging and shipping of untreated wastes to an offsite facility for inactivation and disposal Stericycle Spectrophotometry Automation AnalyzersContinuous Flow Liquids are pumped through system of continuous tubing. Centrifugal Analysis Force of centrifugation transfers & contains liquids. Discrete Analysis (Most popular) Separation of each sample & reagent in a separate container Beer's lawThe concentration of a substance is direc...

fixitive used for specimens CORRECT ANSWER-10% neutral buffered Formalin Marking Margins CORRECT ANSWER-- to identify resection margins, if tumour too close to these margins they know they have to go in and cut more out - Guide to embedding What is used to clean grossing station CORRECT ANSWER-phenolic disenfectant or gluteroldehyde how long is specimens stored for CORRECT ANSWER-1-3 months some legal cases kept indefinitly Why is fresh tissue not stored? CORRECT ANSWER-Would decom...

Examples of pathogens that cause human disease include: a. bacteria b. viruses c. fungi d. parasites (protozoans and worms) e. All of the above - e. All of the above Which of the following is not associated with mucosal surfaces? a. mucus-secreting goblet cells b. lysozyme c. M cells d. beating cilia e. white pulp - e. white pulp One reason that pathogenic microorganisms have an advantage in the host they infect is because they: a. have previously been encountered th...

Maryville NURS 615- Exam V/ EXAM 5 What assessments should be made before prescribing any antihypertensive agent? - ANSWER BP, RF, and head to toe assessment. Assess diet, sodium intake, electrolytes, and potassium levels. Prior to prescribing any antihypertensives, creatinine and BUN levels should be evaluated. Confirmation of elevated BP at 3 different times. Children over 3 years old should be assessed at least once at every visit-prefer...