CNS Exam 1 Palmer Questions and Answers Solved Correctly Rated A+
Role of the nervous system - Answers Coordination, association and integration
Mature nervous tissue has little ____ to store ______ - Answers -capacity
-oxygen or glucose
Nervous tissue has little ____ activity - Answers Mitotic
What makes up the CNS - Answers -Brian (encephalon)
- spinal cord ( medulla spinalis)
The PNS contains ____ cranial nerve pairs and ____ spinal nerve pairs - Answers 12 cranial nerves and
31 spinal nerve pairs
The PNS has ___ total nerve trunks - Answers 86
Somatic axon ending are ____ and are______, ________. - Answers Cholinergic : they release AcH
Skeletal
Voluntary
The autonomic nervous system innervates - Answers Glandular epithelium, smooth, and cardiac
musculature
Synonym for parasympathetic - Answers Vegetative
Nerves that are apart of the PNS - Answers Cranial nerves 3,7,9,10
Sacral nerves 2,3,4
Also known as the craniosacral subdivision
Sympathetic neurons - Answers Spinal nerves T1-L2
** efferent fibers
Parasympathetic and sympathetic systems use ___ neurons - Answers 2
Postganglionic sympathetic are generally ____ and release________. - Answers Adrenergic
norepinephrine
Exceptions to when postganglionic sympathetic release ACH - Answers Sweat glands and arrector pilli
muscles
Parasympathetic system effects on the body - Answers - slow heart rate
, - speed peristalsis
- constrict pupil
- constrict respiratory tree
Sympathetic system effects of the body - Answers - speeds heart rate
- decrease peristalsis
- dilates the pupil
- dilates respiratory tree
Parasympathetic ratio - Answers 1:2 and are therefore more precise
Sympathetic ratio - Answers 1:17
3 primary brain vesicles - Answers Prosenceohalon, mesencephalon, and rhombencephalon
Secondary vesicles that are derived from prosencephalon - Answers Telencephalon and diencephalon
Telencephalon gives rise to what structures - Answers Cerebral cortex
Basal ganglia
Lateral ventricles
Diencephalon gives rise to what structures - Answers Thalamus
Hypothalamus
Pineal gland
3rd ventricle
Mesencephalon is derived from what - Answers Mesencephalon
Mesencephalon gives rise to what structures - Answers Corpora quadrigemina
Cerebral peduncles
Cerebral aqueduct (slyvius)
Tectum
Secondary vesicles derived from rhombencephalon - Answers Metencephalon and myelencephalon
Metencephalon gives rise to what structures - Answers Cerebellum
Role of the nervous system - Answers Coordination, association and integration
Mature nervous tissue has little ____ to store ______ - Answers -capacity
-oxygen or glucose
Nervous tissue has little ____ activity - Answers Mitotic
What makes up the CNS - Answers -Brian (encephalon)
- spinal cord ( medulla spinalis)
The PNS contains ____ cranial nerve pairs and ____ spinal nerve pairs - Answers 12 cranial nerves and
31 spinal nerve pairs
The PNS has ___ total nerve trunks - Answers 86
Somatic axon ending are ____ and are______, ________. - Answers Cholinergic : they release AcH
Skeletal
Voluntary
The autonomic nervous system innervates - Answers Glandular epithelium, smooth, and cardiac
musculature
Synonym for parasympathetic - Answers Vegetative
Nerves that are apart of the PNS - Answers Cranial nerves 3,7,9,10
Sacral nerves 2,3,4
Also known as the craniosacral subdivision
Sympathetic neurons - Answers Spinal nerves T1-L2
** efferent fibers
Parasympathetic and sympathetic systems use ___ neurons - Answers 2
Postganglionic sympathetic are generally ____ and release________. - Answers Adrenergic
norepinephrine
Exceptions to when postganglionic sympathetic release ACH - Answers Sweat glands and arrector pilli
muscles
Parasympathetic system effects on the body - Answers - slow heart rate
, - speed peristalsis
- constrict pupil
- constrict respiratory tree
Sympathetic system effects of the body - Answers - speeds heart rate
- decrease peristalsis
- dilates the pupil
- dilates respiratory tree
Parasympathetic ratio - Answers 1:2 and are therefore more precise
Sympathetic ratio - Answers 1:17
3 primary brain vesicles - Answers Prosenceohalon, mesencephalon, and rhombencephalon
Secondary vesicles that are derived from prosencephalon - Answers Telencephalon and diencephalon
Telencephalon gives rise to what structures - Answers Cerebral cortex
Basal ganglia
Lateral ventricles
Diencephalon gives rise to what structures - Answers Thalamus
Hypothalamus
Pineal gland
3rd ventricle
Mesencephalon is derived from what - Answers Mesencephalon
Mesencephalon gives rise to what structures - Answers Corpora quadrigemina
Cerebral peduncles
Cerebral aqueduct (slyvius)
Tectum
Secondary vesicles derived from rhombencephalon - Answers Metencephalon and myelencephalon
Metencephalon gives rise to what structures - Answers Cerebellum
