Microbiology
This is the optimum sample when culturing a wound for possible anaerobic organisms.
What is a syringe aspirate of pus obtained before antibiotics are administered?
This vitamin deficiency is associated with Pernicious Anemia.
What is vitamin B12/cobalamin?
Two heavy chains and two light chains held together by disulfide bonds.
What is the basic structure of an immunoglobulin?
Pregnant women with symptoms of thirst, frequent urination, or unexplained weight loss should have this test performed?
What is a glucose tolerance test?
Upon review of a sputum Gram stain, the technician notes that all of the neutrophil nuclei in the smear stained dark blue. This is the best explanation for this finding.
What is the slide was inadequately decolorized?
This red blood cell precursor is the last stage to undergo mitosis.
What is the polychromatophilic normoblast/ rubriblast?
Reduced ag/ab complexes due to antibody excess. Can cause false-negative in serological tests. Diluting serum and retest can resolve issues.
What is a prozone reaction?
A biochemical process that is promoted when insulin is released into circulation?
What is the uptake of glucose by cells?
This condition is associated with enterotoxin-producing strains of Staphylococcus aureus.
What is intoxication, rapid development of vomiting, or food poisoning?
Patients with this anemia may have a hemolytic response when they ingest fava beans.
What is G6PD deficiency?
What are IgM and secretory IgA?
The hormone renin is released in response to this physiological condition.
What is decreased blood pressure or decreased blood volume?
A 3yo unimmunized patient presents to the ER with a severe cough, fever, and flulike symptoms. The parents reported that the child had vomited a few times due to the severe coughing. Culture on traditional media did not demonstrate growth of any pathogenic organisms. This organism is the most likely cause of this patient's infection.
What is Bordetella pertussis?
A tech performs a reticulocyte count and observes 63 retics among 1000 RBCs. This would be their reticulocyte count.
What is 6.3%?
This is the recognition unit for the classical pathway of complement?
What is C1qrs?
Two consecutive measurements that exceed the 95% confidence interval in quality control indicate a violation of this Westgard rule.
What is 22s?
The following biochemical reactions were reported on a non-lactose fermenting Gram negative rod. This is the most likely genus of the organism.
Oxidase negative, TSI K/A H2S negative, motility positive, citrate positive, PAD positive, urease positive, VP negative
What is Providencia?
This is the most likely hemoglobin present when cellulose acetate electrophoresis shows a band at the Hgb S position (95%), a negative hemoglobin solubility test, and 70% target cells on the peripheral blood smear.
What is Hgb C?
What is a type IV hypersensitivity reaction?
Patients with a diagnosis of hyperparathyroidism can demonstrate kidney damage due to the accumulation of calcium also known as these.
What are kidney stones?