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126111 Microbiology

Cytotoxic T lymphocytes (CTLs):

ARecognize the same antigens as CD4 T cells
BSecrete cytokines that stimulate the differentiation and proliferation of B cells
CAre impoant in the control of viral infections
DMost often recognize antigens that have been phagocytosed, degraded, and presented on the surface of an APC
Microbiology
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126114 Gynaecology & Obstetrics

A 27-year-old G1P0 woman at 39 weeks’ gestation presents to the labor and delivery suite and progresses through the stages of labor normally. During delivery of the infant, the head initially progresses beyond the perineum and then retracts. Gentle traction does not facilitate delivery of the infant.Which of these options is the first step in the management:

AAbduct mothers thigh and apply suprapubic pressure.
BApply fundal pressure.
CFlex mothers thigh against her abdomen.
DPush infants head back into the uterus and do cesarean section.
Gynaecology & Obstetrics
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