Oxytocin Helps Initiate Labour in Mammals

question 1

Multiple Choice

Oxytocin helps initiate labour in mammals. During labour and delivery, the contraction of uterine muscles increases the release of oxytocin. This is an example of

• A) a hormone that is involved in a positive feedback loop.
• B) signal transduction immediately changing gene expression in its target cells.
• C) a negative feedback system.
• D) the key role of the anterior pituitary gland in regulating uterine contraction.
• E) a hormone that acts in an antagonistic way with another hormone.

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Belgium

A country located in Western Europe, known for its medieval towns, Renaissance architecture, and as headquarter of the European Union and NATO.

Disjoint

Referring to sets that have no elements in common; also used to describe events that cannot occur at the same time.

Proportion

The fraction of times an event occurs relative to the total number of trials or instances.