HAAR-Medical Laboratory Science Bundle Set

Which formula correctly describes the relationship between absorbance and %T ? A. A = 2 - log %T B. A = log 1/T C. A = -log T D. All of these options Answer D Absorbance is proportional to the inverse log of transmittance. A = -log T = log 1/T Multiplying the numerator and denominator by 10...

From the following, identify a specific component of the adaptive immune system that is formed in response to antigenic stimulation: A. Lysozyme B. Complement C. Commensal organisms D. Immunoglobulin Answer D. Immunoglobulin is a specific part of the adaptive immune system and is formed only in ...

What type of serological testing does the blood bank technologist perform when determining the blood group of a patient? A. Genotyping B. Phenotyping C. Both genotyping and phenotyping D. Polymerase chain reaction Answer B Phenotyping, or the physical expression of a genotype, is the ty...

Which statement regarding renal function is true? A. Glomeruli are far more permeable to H2O and salt than other capillaries B. The collecting tubule reabsorbs sodium and secretes potassium in response to antidiuretic hormone (ADH) C. The collecting tubule is permeable to H2O only in the pres...

The incorrect match between organism and the appropriate diagnostic procedure is: A. Onchocerca volvulus—examination of skin snips B. Cryptosporidium—modified acid-fast stain C. Echinococcus granulosus—routine ova and parasite examination D. Schistosoma haematobium—examination of urine ...

The aseptic collection of blood cultures requires that the skin be cleansed with: A. 2% iodin and then 70% alcohol solution B. 70% alcohol and then 2% iodine or an iodophor C. 70% alcohol and then 95% alcohol D. 95% alcohol only Answer Correct Answer: B When cleansing the skin with alcohol an...

Which of the following hormones is often decreased by approximately 25% in the serum of pregnant women who have a fetus with Down Syndrome? A. estriol (E3) B. human chorionic gonadotropin (hCG) C. progesterone D. estradiol (E2) Answer A The syndrome of inappropriate antidiuretic hormone secre...

which of the following biochemical processes is promoted by insulin a. glycogenolysis b. gluconeogenesis c. lipolysis d. uptake of glucose by cells Answer d which of the following hormones promotes hyperglycemia a. calcitonin b. growth hormone c. aldosterone d. renin Answer b which of ...

Which statement regarding renal function is true a. glomeruli are far more permeable to H2O and salt than other capillaries b. the collecting tubule reabsorbs sodium and secretes potassium in response to antidiuretic hormone c. the collecting tubule is permeable to H2O only in the presence of ald...

Which characteristic describes antithrombin (AT)? A. It is synthesized in megakaryocytes B. It is activated by protein C C. It is a cofactor of heparin D. It is a pathological inhibitor of coagulation Answer C. It is a cofactor of heparin C Antithrombin is heparin cofactor and it is the mos...