Exam 33: Nervous Coordination: Nervous System and Sense Organs

You are watching a horror movie,and you notice that your heart is beating fast,your mouth is dry,you are breathing rapidly.What division of the nervous system is directly responsible for these reactions?

A fly will start its wings flapping if its feet are not touching the ground,and stop its wings when its feet touch the ground,even when its head has been cut off.This "decision" to fly has therefore been made by

The midbrain consists mainly of the ____________,which contains centers for visual and auditory reflexes.

Trace the neuromuscular sequence of events that occur from when your finger tip touches a sharp tack to the action of pulling your hand back and feeling the pain.

A cross-section of the spinal cord shows two zones,the outer one called white matter,and an inner zone containing interneurons and cell bodies,called _____ _____.

Explain how the parasympathetic and sympathetic subdivisions of the autonomic system interact.

The ultimate limitation to the number of nerve action potentials we can send to a muscle per second is

Which statement is NOT true about the autonomic nervous system?

You spray an insect with an organophosphate insecticide.How does it kill the insect?

The arthropod compound eye is composed of numerous independent visual units called _________.

Explain how some insects are better at detecting motion while others can see a fuller field.

Why is the giant squid or the marine snail Aplysia so important in neurology?

The movement of sodium and potassium ions across the nerve cell membrane involves