The Venom of Cobras Contains a Mixture of Substances That

question 28

Multiple Choice

The venom of cobras contains a mixture of substances that have a variety of physiological effects. One substance in the venom works by preventing acetylcholine from binding to muscle receptors. How does the venom affect the prey of the cobra?

• A) Action potentials would be continuously generated, causing convulsive muscle contractions.
• B) Muscle contractions would be prevented, causing paralysis.
• C) Muscle contractions could still occur, but relaxation of the muscle would be impaired.
• D) Action potentials would be continuously generated, causing convulsive muscle contractions; muscle contractions would then be prevented, causing paralysis.

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Definitions:

Short-Term Memory Capacity

The amount of information that can be held in the mind briefly, typically for about 20 to 30 seconds.

Between 5 and 9 Items

Refers to the average number of objects an adult can hold in working memory, often cited in psychological literature.

Approximately 10 to 12 Items

An estimate indicating a range or quantity that is near but not exactly between 10 and 12 entities.

Working Memory

A mental framework that temporarily stores information for processing, crucial for logical thinking, guiding decisions, and influencing actions.