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23610 Microbiology

A 26-year-old obstetric patient becomes acutely ill during her first trimester with infectious mononucleosis-like symptoms, but her heterophil antibody test was negative. A careful history reveals that the family has two cats in the house. The appropriate laboratory tests indicate the expectant mother is infected with Toxoplasma gondii. Months later, the woman delivers a full term baby with no obvious signs of infection with the protozoan parasite. The best test to diagnose acute infection in the neonate would be a parasite-specific ELISA for which isotype of immunoglobulin?

AIgA
BIgG 1
CIgG 4
DIgM
Microbiology
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23615 Physiology

The inverse stretch reflex

AOccurs when muscle length changes
BIs a monosynaptic reflex initiated by activation of the Golgi tendon organ
CIs a disynaptic reflex activated on change in tension
DUses type II afferent fibres from the Golgi tendon organ
Physiology
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