Christina Was Bitten by a Black Widow Spider While Retrieving

question 92

Multiple Choice

 Christina was bitten by a black widow spider while retrieving some wood for her fireplace. Her abdominal muscles began to contract painfully, which was to be expected because black widow spider venom

• A) inhibits release of ACh at the neuromuscular junction.
• B) competes with ACh at nicotinic receptor sites.
• C) promotes greater than normal release of ACh at the neuromuscular junction.
• D) interferes with GABA inhibition of the motor system by blocking receptors.

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Definitions:

Transhumance

The seasonal movement of people with their livestock between fixed summer and winter pastures, often found in mountainous regions.

Nomadism

A lifestyle characterized by moving across landscapes in search of resources, such as pasture for livestock, rather than staying in one fixed location.

Semi-Sedentism

describes a way of life in which people regularly move within a certain area to exploit seasonal resources but also maintain some permanent or semi-permanent settlements.

Industrial Revolution

A period of major industrial growth and technological innovation that began in the 18th century, significantly transforming societies and economies.