One of the important inherited defects in the second line of immune defense is a condition called chronic granulomatous disease. What is this disease, and how is it caused?
What will be an ideal response?
Chronic granulomatous disease is a type of primary immunodeficiency. It is an inherited condition seen in children who have recurrent infections, especially with bacteria. It is due to the inability of phagocytes to produce reactive forms of oxygen and therefore fail to kill ingested bacteria. A CBC would have normal levels of lymphocytes.
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Due to the relationship between the rate of enzyme catalysis and temperature, organisms living in boiling hot springs are also rapid growers with fast doubling times
Indicate whether the statement is true or false.
A microbiologist inoculates Staphylococcus epidermidis and Escherichia coli into a culture medium. Following incubation, only the E. coli grows in the culture. What is the most likely explanation?
A. The microbiologist used too much inoculum. B. The culture medium was differential. C. The culture was contaminated. D. The incubation temperature was incorrect. E. The culture medium was selective.
________ is the minimum distance two points can be apart and still be distinguished as two separate points.
Fill in the blank(s) with the appropriate word(s).
Which of the following causes opportunistic infections in AIDS patients?
A) Pneumocystis B) Aspergillus C) Rhizopus D) Mucor E) All of the answers are correct.