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23 Cards in this Set

  • Front
  • Back
The somatic nervous system consists of:
SENSORY AND MOTOR NEURONS
The autonomic nervous system consists of:

INPUT FROM SENSORY RECEPTORS

The axon of a single, myelinated somatic motor neuron extends from the _______ to the _______ it innervates.
CENTRAL NERVOUS SYSTEM TO THE SKELETAL MUSCLE FIBER
Most autonomic motor pathways consist of what two motor neurons in series?

PREGANGLIONIC NEURON


AND


POSTGANGLIONIC NEURON

The _________ neuron consists of the cell body in the CNS, and an axon that extends to an


autonomic ganglion

PREGANGLIONIC NEURON

The ________ consists of an axon from the


ganglion to the effector (smooth muscle, cardiac


muscle, or gland).

POSTGANGLIONIC NEURON
The autonomic nervous system is divided into what two divisions?

THE SYMPATHEIC NERVOUS SYSTEM


AND


THE PARASYMPATHETIC NERVOUS SYSTEM

Describe the sympathetic nervous system:
FIGHT OR FLIGHT DIVISION
Describe the parasympathetic nervous system:

REST AND DIGEST
In the sympathetic division, there are cell bodies of __________________.
PREGANGLIONIC NEURONS
The _____________ includes the lateral horns of the gray matter, 12 thoracic segments, and the first 2 or 3 lumbar segments.
PREGANGLIONIC NEURONS

The ______________ includes cell bodies of the


preganglionic neurons.

PARASYMPATHETIC DIVISION
Cell bodies of the _________ include nuclei of four cranial nerves (III, VII, IX, and X) and lateral gray matter of sacral segments 2-4.
PREGANGLIONIC NEURONS

What are the two major type of sympathetic


ganglia?

1- SYMPATHETIC TRUNK GANGLIA




2- PREVERTEBRAL GANGLIA

____________ lie in a vertical row on either side of the vertebral column.




A- Sympathetic trunk ganglia


B- Prevertebral ganglia

A- SYMPATHEIC TRUNK GANGLIA


_________ lie anterior to the vertebral column, close to the large abdominal arteries.




A- Sympathetic trunk ganglia


B- Prevertebral ganglia

B- PREVERTEBRAL GANGLIA

The ________ and _________ contain these major autonomic plexuses:


- often named after the artery along which they are distributed


- celiac (solar) plexus


- superior mesenteric plexus


- inferior mesenteric plexus


- renal plexus


- hypogastric plexus

ABDOMEN AND PELVIS
Autonomic neurons are either ______ or ______.

CHOLINERGIC OR ADRENERGIC



_____ release the neurotransmitter acetylcholine.




A- Adrenergic autonomic neurons


B- Cholinergic autonomic neurons

B- CHOLINERGIC AUTONOMIC NEURONS

________ release norepinephrine (noradrenalin) and include nicotinic receptors and muscarinic receptors.




A- Adrenergic autonomic neurons


B- Cholinergic autonomic neurons

A- ADRENERGIC AUTONOMIC NEURONS
In general, the sympathetic and parasympathetic divisions of the autonomic nervous system are _____ to each other.
ANTAGONISTC

Integration and control of autonomic functions include:


-HERAT RATE


-FORCE OF VENTRICULAR CONTRACTION


-BLOOD PRESSURE


-BLOOD VESSEL DIAMETER


-ARE CONTROLLED BY AUTONMIC REFLEX ARC

The reflex arc is composed of a _____, a _______, and ________, ______ and an ________.
RECEPTOR, SENSORY NEURON, INTEGRATING CENTER, MOTOR NEURONS, EFFECTOR .