Which Best Describes an Event That Occurs as Part of the Crossed-Extensor

question 15

Multiple Choice

Which best describes an event that occurs as part of the crossed-extensor reflex?

• A)It stimulates contraction of the contralateral flexor and inhibits contraction of the contralateral extensor.
• B)It stimulates contraction of the contralateral extensor and inhibits contraction of the contralateral flexor.
• C)It is initiated by stretch in the ipsilateral extensor muscle.
• D)Inhibitory interneurons are activated,which synapse onto contralateral extensor muscles.
• E)Monosynaptic excitatory stimulation of ipsilateral extensor muscles occurs.

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Definitions:

Claustrophobia

Claustrophobia is an anxiety disorder characterized by an irrational fear of enclosed or narrow spaces.

Hypochondriasis

A disorder characterized by excessive worry and preoccupation with having a serious illness despite medical reassurance.

Adenohypophysis

The anterior, glandular part of the pituitary gland responsible for the release of hormones.

Neurohypophysis

The posterior portion of the pituitary gland responsible for the storage and release of hormones like ADH and oxytocin.