Chemistry MT AAB board exam review #1 Questions With Complete Solutions

Specimens that can be analyzed for carbon dioxide - Answer-1. Serum 2. Plasma 3. Whole blood What will happen if blood is exposed to air during specimen collection for pH and blood gases? - Answerp C O 2 decreases Henderson-Hasselbalch equation - Answer-p H = p k a + log salt / acid What is the ratio of bicarbonate:carbonic acid in normal plasma - Answer-20:1 Lab results on a known diabetic patient revealed a decreased bicarbonate and decreased ph. Which acid base disorder would most likely cause these lab values? - Answer-Metabolic acidosis Decrease Bicarbonate decrease p H Normal range for pH of blood - Answer-7:35 to 7:45 Beer law concerning optical density it is: - Answer-Directly proportional to the concentration For the ultraviolet range what part must be employed - Answer-Quartz cuvette Quartz cuvette When performing spectrophotometer quality checks, what is the holmium oxide glass filter used to assess? - Answer-Wavelength accuracy What is the principle of flame photometry? - Answer-Emission of a color when an element is burnedWhat is the principle of atomic absorption spectrophotometry? - Answer-It measures light absorption of electromagnetic radiation What is the light source in atomic absorption instrumentation - Answer-Cathode lamp Quenching is a disadvantage in which type of instrumentation - Answer-Fluorometry Which analytical method measures the amount of light scattered by the particles in solution - AnswerNephelometry p c o 2 electrode - Answer-The actual pH of the sample has no effect The protein at its isoelectric point - Answer-Net zero charge In immunoelectrophoresis - Answer-There must be excess antibody present and constant trough distance between antibody and antigen To achieve the best levels of sensitivity and specificity, a gas chromatograph may be coupled with a - Answer-Mass spectrophotometer Which colligative property is most commonly used in osmometry - Answer-Freezing point Zimmerman reaction is used to detect - Answer-17-ketosteroids Hormone appears to function solely in the initiation and maintenance of lactation? - Answer-Prolactin Hormone acts on the renal tubules to increase water reabsorption - Answer-Anti diuretic hormone What is the major binding protein for thyroxine - Answer-Thyroid binding globulinWhat is T3 uptake measuring - Answer-Thyroid binding globulin Which hormone is important in bone and calcium metabolism - Answer-Calci tonin Which hormone stimulates the renal production of vitamin D - Answer-PTH Cathecholamines are secreted by - Answer-Adrenal medulla The metabolite of epinephrine - Answer-Vanillymandelic acid