CAMP is the correct answer because the case is typical of Streptococcus agalactiae(Group B strep). The main presumptive identification test is CAMP. Bile solubility is positive for Streptococcus pneumonia. Coagulase would be positive for Staphylococcus aureus. PYR is positive for Streptococcus pyogenes (Group A strep) which is ruled out by the resistance to bacitracin.
Microbiology
Spinal fluid cultures on a 3-day-old infant revealed beta-hemolytic, Gram-positive cocci occurring in pairs and chains. The organism was catalase-negative and bile esculin-negative. Resistance to 0.04 U disk of bacitracin was noted. The other test necessary to identify this organism is a positive test by:
When an antigen comes in contact with the skin, the antigen is processed by cells in the epidermis and come in contact with T lymphocytes. T lymphocytes recognize the antigen as foreign and circulate through the bloodstream back to the epidermis and produce an inflammatory response to eliminate the antigen, but this immune response can produce a characteristic rash in the skin called contact dermititis.
Contact dermatitis is mediated by:
Primary- Target glands (such as thymus, thyroid, parathyroid, etc.)
Secondary- Pituitary gland
Tertiary- Hypothalamus
Match the type of endocrine dysfunction with the appropriate organ:
1. Target gland
2. Pituitary gland
3. Hypothalamus
The A and B antigens are present on the red cells of an AB patient. H antigen is a precursor to the ABO antigens.
An individual with type AB blood will demonstrate the complete absence of which of the following antigen sites?
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