What Triggers the Release of Cytokines, Which Signal the Hypothalamus

question 3

Multiple Choice

What triggers the release of cytokines, which signal the hypothalamus of the brain to raise the body's baseline temperature from 37°C to a higher temperature?

• A) interleukin 1
• B) interferon alpha
• C) prostaglandins
• D) tumor necrosis factor
• E) pyrogens

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Definitions:

Blastocyst

An early stage in human embryonic development, a hollow sphere of cells formed after several days of cell division following fertilization.

Placenta

An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to the growing baby while removing waste.

Umbilical Cord

A flexible cord-like structure connecting a fetus to the placenta, delivering nutrients and removing waste during pregnancy.

Endoderm

The inner layer of an embryonic disk, which will develop into the digestive system, liver, lungs, pancreas, salivary glands, and respiratory system.