Exam 9: Nervous System

Due to damage of a nervous structure during birth, a patient's arm is adducted, internally rotated, and his hand faces posteriorly, a condition known as Erb's Duchenne palsy. What nervous structure was damaged?

Normal, quiet, everyday activities like resting and digesting are controlled by which division of the autonomic nervous system?

Given the following five parts, place them in order of a reflex arc: (1) central nervous system, (2) effector, (3) motor neuron, (4) receptor, (5) sensory neuron.

What part of the brain contains the thalamus andhypothalamus, and processes sensory information?

The arbor vitae is part ofthe cerebrum.

What happens when the plasma membrane of a neuron becomes more permeable to potassium?

What is the relative distrubution of sodium and potassium ions across a neuronal membrane?

A physician shines a light into the right eye and the right pupil constricts in response. Which of the following cranial nerves is being tested in this scenario?

Which is not a method for clearing neurotransmitters from the synaptic cleft?

The gray commissure of the spinal cord surrounds the central canal.

The respiratory areas are in the pons and in the __________.

Botulism toxin prevents release of acetylcholine. Which of the following might result if a person had botulism toxin poisoning?

What branch of the peripheral nervous system controls skeletal muscle?

What type of conduction occurs when an impulse jumps from node to node along a myelinated axon?

Nodes of Ranvier connect adjacent neurons.

Cranial nerves connect the brain only to head and neck regions; spinal nerves connect to all regions below the neck.

Why are an infant's responses to stimuli coarse and undifferentiated?

What structure is a part of the diencephalon?

If a neuron's membrane potential measures +25mV, the neuron is __________.

Which glial cells produce the myelin sheath on neurons of the peripheral nervous system?