chapter 11 Quiz TEST Q & A 2023 VERIFIED
what organism is responsible for toxoplasmosis infections? correct answers toxoplasma gondii
How is toxoplasmosis contracted? correct answers by the mother via contact with cat feces or from
eating raw meat. The organism is transmitted from the mother to the fetus through the placenta
With toxoplasmosis In the neonate, symptoms may be present when correct answers immediately or
may be delated for several weeks
The symptoms of toxoplasmosis include correct answers neurological abnormalities
microcephaly
coma
convulsions
hydrocephalus
hepatosplenomegaly
jaundice with both direct and indirect hyperbilirubinemia
petechiae of the skin
pallor secondary to anemia
The diagnosis of toxoplasmosis is verified by correct answers the presence of specific toxoplasma IgM
antibodies in the blood serum
Fetal immunity is provided from the mother in the form of correct answers antibodies
What is the role of the IgA antibody correct answers -not transported transplacentally
-not produced by the neonate until approximately 1 month of age
-IgA lies in a subclass called secretory IgA
-secretory IgA found in tears, saliva, bronchial and intestinal secretions, breast milk
-IgA enables the body to defend against antigens at the source of entry into the body
What is the role of IgD? correct answers -specialized protein found in serum tissue
-exact role is unknown, but increases in quantity in the presence of allergic reactions to milk, penicillin,
insulin, and various toxins
What is the role of IgE? correct answers -concentrated in the lung skin and the cells of the mucus
membranes
-responsible for allergic reactions
-provides protection against environmental antigens
What is the role of IgG? correct answers -only immunoglobulin is transported through the placenta from
to fetus
-protects the neonate from infections to which the mother has acquired immunity. Ex: pneumococcus,
menigococcus, viruses, and toxins of tetanus and diphtheria