Exam 4: The Peripheral Nervous System: Sensory, Autonomic, Somatic

Which of these statements does NOT apply to botulinum toxin

Which of these statements applies to EPP

When an individual sees pure red, only the red cones are stimulated.

Pain may be elicited by thermal or chemical stimuli.

The preganglionic fibres of the autonomic nervous system are cholinergic fibres.

The ____________________ is the region of the retina where rods and cones are absent.

The Pacinian corpuscle is sensitive mainly to temperature changes.

A(n) ____________________ neuron sends impulses away from the CNS.

Depolarization of the motor end plate results from more ____________________ ions entering the cell than ____________________ ions leaving the cell.

____________________ is our conscious interpretation of the external world as created by the brain from a pattern of nerve impulses delivered to it from sensory receptors.

____________________ are travelling vibrations of air that consist of alternating regions of low and high pressure caused by rarefaction of the molecules.

Which statement does NOT apply to slow pain

Compare and contrast the divisions of the autonomic nervous system.

Match the ear parts, labelled a. through e., with their characteristics. (Options may be used more than once or not at all.) -contains receptive hair cells

Which of these statements applies to acetylcholine

Match the part of the autonomic nervous system, labelled a. through d., with its description(s). (Options may be used more than once or not at all.) -predominates in fight-or-flight situations

Through lateral inhibition, a more intensely activated receptor pathway halts transmission of impulses in surrounding, less intensely stimulated pathways.

Match the chemicals, labelled a. through d., with their characteristics. -blocks release of ACh

Match the part of the autonomic nervous system, labelled a. through d., with its description(s). (Options may be used more than once or not at all.) -has a short preganglionic fibre and a long postganglionic fibre

A generator potential in a receptor begins with the influx of ____________________ ions into the cell.