Mastering A&P Chapter 12 Homework

Which of the following is NOT associated with region B (the region the arrow is pointing to)?
A. post-central gyrus
B. conscious control of skeletal muscles
C. origin of corticospinal tracts
D. cell bodies of pyramidal neurons

A. post-central gyrus

Letter B indicates the....
A. thalamus
B. corpus callosum
C. hypothalamus
D. medulla

Which of the following are motor areas of the cerebral cortex that lie in the posterior part of the frontal lobes and control voluntary movement?
A. primary motor cortex; premotor cortex; prefrontal cortex; gustatory cortex
B. primary somatosensory cortex; somatosensory association cortex; visual areas
C. Broca's area; posterior association area; auditory areas; visual areas
D. primary motor cortex; premotor cortex; Broca's area; frontal eye field

D. primary motor cortex; premotor cortex; Broca's area; frontal eye field

Patients who have lesions involving Broca's area __________.
A. do not understand written communications, but they can speak clearly and intelligibly
B. can understand language, but have difficulty speaking
C. can communicate through writing or sign language, but they cannot speak
D. do not understand language

B. can understand language, but have difficulty speaking

__________ is a progressive degenerative disease of the brain in which beta-amyloid peptide deposits and neurofibrillary tangles appear and that ultimately results in dementia (mental deterioration).
A. Huntington's disease
B. Alzheimer's disease
C. Parkinson's disease
D. mad cow disease

B. Alzheimer's disease

NOT THE RIGHT PIC; JUST KNOW THIS IS WHAT EPENDYMAL CELLS (GLIAL TYPE) LOOK LIKE

Which protective covering of the brain provides passageways for cerebrospinal fluid (CSF) to drain into the superior sagittal sinus?
A. membranous part of the dura mater
B. periosteal part of the dura mater
C. pia mater
D. arachnoid mater

D. arachnoid mater

Which of the following regions of the brain provides the precise timing and appropriate patterns of skeletal muscle contraction for the smooth, coordinated movements and agility that are needed for our daily living?
A. medulla oblongata
B. midbrain
C. pons
D. cerebellum

D. cerebellum

Which of the following is NOT a feature of the major spinal cord tracts (pathways)?
A. decussation
B. relay
C. memory
D. somatotopy

C. memory

What part of the spinal cord represents the collection of nerve roots at the inferior end of the vertebral canal?
A. cauda equina
B. lumbar enlargement
C. conus medullaris
D. cervical enlargement

A. cauda equina

After Joe has a stroke, his doctor asks Joe to touch his right pointer finger to his chin—but Joe is unable to move his right hand. However, when the doctor stimulates Joe's pointer finger with a painful stimulus, Joe's muscles quickly move his hand away from the stimulus. The doctor concludes that ______.
A. the stroke caused damage to Joe's frontal eye field which interfered with his effort to touch his chin
B. the stroke caused damage to Joe's right primary motor cortex
C. the stroke caused damage to Joe's right premotor cortex
D. based on the doctor's observations, none of the listed answers are correct conclusions

D. based on the doctor's observations, none of the listed answers are correct conclusions

Which of the following hypothalamic control centers would you predict is the LEAST important for survival?
A. suprachiasmatic nucleus
B. autonomic control center
C. temperature control center
D. thirst center

A. suprachiasmatic nucleus

Which of the following is a characteristic of a coma but is NOT a characteristic of sleep?
A. absence of brain waves ("flat EEG")
B. irreversible brain damage
C. continuously reduced mitochondrial activity in brain neurons
D. All of the listed responses are correct.

C. continuously reduced mitochondrial activity in brain neurons

What area does the arrow indicate?

primary visual cortex

Region A includes which of the following?
A. Primary somatosensory cortex
B. Primary motor cortex
C. Broca's area
D. Pre-frontal cortex

D. Pre-frontal cortex

The groove indicated by C is the..
A. transverse fissue
B. post-central gyrus
C. longitudinal fissure
D. central sulcus

D. central sulcus

The cortical regions indicated by E are involved in which functions?
A. The production and interpretation of language.
B. The storage of motor patterns for skilled movements of skeletal muscles.
C. The generation of emotional responses.
D. The control centers for homeostatic and endocrine functions.

A. The production and interpretation of language.

The letter A in the figure below represents which of the following structures?
A. thalamus
B. midbrain
C. hypothalamus
D. medulla

A. thalamus

Which part of the brain is the "executive suite" for all brain activity?
A. cerebellum
B. cerebral cortex
C. diencephalon
D. brain stem

B. cerebral cortex

Which parts of the brain constitute the "emotional brain" known as the limbic system?
A. diencephalic and brain stem structures
B. cerebral and diencephalic structures
C. cerebral and brain stem structures
D. diencephalic and mesencephalic structures

B. cerebral and diencephalic structures

1. Thalamus: Gateway to the cerebrum
2. Cerebellum: Motor command center
3. Brain stem: Survival center
4. Cerebrum: Executive suite
5. Hypothalamus: Visceral command center

STUDY

1. Thalamus: A major relay station for sensory information ascending to primary sensory areas of the cerebral cortex. Contains many specialized nuclei.
2. Prefrontal area: This brain area associates experiences necessary for the production of abstract ideas, judgment, and conscience.
3. Primary motor cortex: The axons from this area form the major pyramidal tracts.
4. Hypothalamus: This area is the main visceral control center of the body.

STUDY

1. Temporal lobe: Auditory area.
2. Parietal lobe: Primary sensory cortex.
3. Frontal lobe: Somatic motor cortex.
4. Frontal lobe: Motor speech area.
5. Frontal lobe: Premotor area.
6. Occipital lobe: Visual area.
7. Insula: Taste (gustatory) area.
8. Frontal lobe: Seat of intelligence, abstract reasoning.

STUDY

The frontal lobe is separated from the temporal lobe by the ________.
A. cranial fossa
B. lateral sulcus
C. longitudinal fissure
D. central sulcus

B. lateral sulcus

Broca's area ________.
A. corresponds to Brodmann's area 8
B. is considered a motor speech area
C. serves the recognition of complex objects
D. is usually found in the right hemisphere

B. is considered a motor speech area

The blood-brain barrier is effective against ________.
A. alcohol
B. anesthetics
C. nutrients such as glucose
D. metabolic waste such as urea

D. metabolic waste such as urea

All of the following are structures of the limbic system except the ________.
A. amygdaloid nucleus
B. cingulate gyrus
C. caudate nucleus
D. hippocampus

C. caudate nucleus

Tremor at rest, shuffling gait, stooped posture, and expressionless face are characteristics of ________.
A. Parkinson's disease
B. Huntington's disease
C. spinal cord disease
D. cerebellar disease

A. Parkinson's disease

The area of the cortex that is responsible for sensations of the full bladder and the feeling that your lungs will burst when you hold your breath too long is the ________.
A. vestibular cortex
B. gustatory cortex
C. olfactory cortex
D. visceral sensory area

D. visceral sensory area

A disturbance of posture, muscle tremors at rest, and uncontrolled muscle contraction are all symptoms of damage to the basal nuclei.
A. True
B. False

A. True

What CNS associated structure is illustrated in this figure?
A. choroid plexus
B. cerebral aquaduct
C. hypothalamus
D. proprioceptor

A. choroid plexus

Which meninx is a delicate connective tissue membrane that clings tightly to the brain like cellophane wrap following its every convolution?
A. periosteal layer of the dura mater
B. meningeal layer of the dura mater
C. pia mater
D. arachnoid mater

C. pia mater

The subarachnoid space lies between what two layers of meninges?
A. dura and epidura
B. arachnoid and epidura
C. arachnoid and dura
D. arachnoid and pia

D. arachnoid and pia

Which of the following is not a site where a tumor is likely to cause hydrocephalus?
A. fourth ventricle
B. cerebral aqueduct
C. pia mater
D. subarachnoid space

C. pia mater

In spina bifida, the cerebrum and part of the brain stem never develop.
A. True
B. False

B. False

Which of the following is the LEAST likely to be structurally affected if spina bifida develops in a fetus?
A. cauda equina
B. roots of sacral spinal nerves
C. sacrum
D. laminae of thoracic vertebrae

D. laminae of thoracic vertebrae

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Mastering A&P Chapter 12 Homework

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Which of the following is NOT associated with region B (the region the arrow is pointing to)?
A. post-central gyrus
B. conscious control of skeletal muscles
C. origin of corticospinal tracts
D. cell bodies of pyramidal neurons

A. post-central gyrus

Letter B indicates the….
A. thalamus
B. corpus callosum
C. hypothalamus
D. medulla

Which of the following are motor areas of the cerebral cortex that lie in the posterior part of the frontal lobes and control voluntary movement?
A. primary motor cortex; premotor cortex; prefrontal cortex; gustatory cortex
B. primary somatosensory cortex; somatosensory association cortex; visual areas
C. Broca’s area; posterior association area; auditory areas; visual areas
D. primary motor cortex; premotor cortex; Broca’s area; frontal eye field

D. primary motor cortex; premotor cortex; Broca’s area; frontal eye field

Patients who have lesions involving Broca’s area __________.
A. do not understand written communications, but they can speak clearly and intelligibly
B. can understand language, but have difficulty speaking
C. can communicate through writing or sign language, but they cannot speak
D. do not understand language

B. can understand language, but have difficulty speaking

__________ is a progressive degenerative disease of the brain in which beta-amyloid peptide deposits and neurofibrillary tangles appear and that ultimately results in dementia (mental deterioration).
A. Huntington’s disease
B. Alzheimer’s disease
C. Parkinson’s disease
D. mad cow disease

B. Alzheimer’s disease

NOT THE RIGHT PIC; JUST KNOW THIS IS WHAT EPENDYMAL CELLS (GLIAL TYPE) LOOK LIKE

Which protective covering of the brain provides passageways for cerebrospinal fluid (CSF) to drain into the superior sagittal sinus?
A. membranous part of the dura mater
B. periosteal part of the dura mater
C. pia mater
D. arachnoid mater

D. arachnoid mater

Which of the following regions of the brain provides the precise timing and appropriate patterns of skeletal muscle contraction for the smooth, coordinated movements and agility that are needed for our daily living?
A. medulla oblongata
B. midbrain
C. pons
D. cerebellum

D. cerebellum

Which of the following is NOT a feature of the major spinal cord tracts (pathways)?
A. decussation
B. relay
C. memory
D. somatotopy

C. memory

What part of the spinal cord represents the collection of nerve roots at the inferior end of the vertebral canal?
A. cauda equina
B. lumbar enlargement
C. conus medullaris
D. cervical enlargement

A. cauda equina

After Joe has a stroke, his doctor asks Joe to touch his right pointer finger to his chin—but Joe is unable to move his right hand. However, when the doctor stimulates Joe’s pointer finger with a painful stimulus, Joe’s muscles quickly move his hand away from the stimulus. The doctor concludes that ______.
A. the stroke caused damage to Joe’s frontal eye field which interfered with his effort to touch his chin
B. the stroke caused damage to Joe’s right primary motor cortex
C. the stroke caused damage to Joe’s right premotor cortex
D. based on the doctor’s observations, none of the listed answers are correct conclusions

D. based on the doctor’s observations, none of the listed answers are correct conclusions

Which of the following hypothalamic control centers would you predict is the LEAST important for survival?
A. suprachiasmatic nucleus
B. autonomic control center
C. temperature control center
D. thirst center

A. suprachiasmatic nucleus

Which of the following is a characteristic of a coma but is NOT a characteristic of sleep?
A. absence of brain waves ("flat EEG")
B. irreversible brain damage
C. continuously reduced mitochondrial activity in brain neurons
D. All of the listed responses are correct.

C. continuously reduced mitochondrial activity in brain neurons

What area does the arrow indicate?

primary visual cortex

Region A includes which of the following?
A. Primary somatosensory cortex
B. Primary motor cortex
C. Broca’s area
D. Pre-frontal cortex

D. Pre-frontal cortex

The groove indicated by C is the..
A. transverse fissue
B. post-central gyrus
C. longitudinal fissure
D. central sulcus

D. central sulcus

The cortical regions indicated by E are involved in which functions?
A. The production and interpretation of language.
B. The storage of motor patterns for skilled movements of skeletal muscles.
C. The generation of emotional responses.
D. The control centers for homeostatic and endocrine functions.

A. The production and interpretation of language.

The letter A in the figure below represents which of the following structures?
A. thalamus
B. midbrain
C. hypothalamus
D. medulla

A. thalamus

Which part of the brain is the "executive suite" for all brain activity?
A. cerebellum
B. cerebral cortex
C. diencephalon
D. brain stem

B. cerebral cortex

Which parts of the brain constitute the "emotional brain" known as the limbic system?
A. diencephalic and brain stem structures
B. cerebral and diencephalic structures
C. cerebral and brain stem structures
D. diencephalic and mesencephalic structures

B. cerebral and diencephalic structures

1. Thalamus: Gateway to the cerebrum
2. Cerebellum: Motor command center
3. Brain stem: Survival center
4. Cerebrum: Executive suite
5. Hypothalamus: Visceral command center

STUDY

1. Thalamus: A major relay station for sensory information ascending to primary sensory areas of the cerebral cortex. Contains many specialized nuclei.
2. Prefrontal area: This brain area associates experiences necessary for the production of abstract ideas, judgment, and conscience.
3. Primary motor cortex: The axons from this area form the major pyramidal tracts.
4. Hypothalamus: This area is the main visceral control center of the body.

STUDY

1. Temporal lobe: Auditory area.
2. Parietal lobe: Primary sensory cortex.
3. Frontal lobe: Somatic motor cortex.
4. Frontal lobe: Motor speech area.
5. Frontal lobe: Premotor area.
6. Occipital lobe: Visual area.
7. Insula: Taste (gustatory) area.
8. Frontal lobe: Seat of intelligence, abstract reasoning.

STUDY

The frontal lobe is separated from the temporal lobe by the ________.
A. cranial fossa
B. lateral sulcus
C. longitudinal fissure
D. central sulcus

B. lateral sulcus

Broca’s area ________.
A. corresponds to Brodmann’s area 8
B. is considered a motor speech area
C. serves the recognition of complex objects
D. is usually found in the right hemisphere

B. is considered a motor speech area

The blood-brain barrier is effective against ________.
A. alcohol
B. anesthetics
C. nutrients such as glucose
D. metabolic waste such as urea

D. metabolic waste such as urea

All of the following are structures of the limbic system except the ________.
A. amygdaloid nucleus
B. cingulate gyrus
C. caudate nucleus
D. hippocampus

C. caudate nucleus

Tremor at rest, shuffling gait, stooped posture, and expressionless face are characteristics of ________.
A. Parkinson’s disease
B. Huntington’s disease
C. spinal cord disease
D. cerebellar disease

A. Parkinson’s disease

The area of the cortex that is responsible for sensations of the full bladder and the feeling that your lungs will burst when you hold your breath too long is the ________.
A. vestibular cortex
B. gustatory cortex
C. olfactory cortex
D. visceral sensory area

D. visceral sensory area

A disturbance of posture, muscle tremors at rest, and uncontrolled muscle contraction are all symptoms of damage to the basal nuclei.
A. True
B. False

A. True

What CNS associated structure is illustrated in this figure?
A. choroid plexus
B. cerebral aquaduct
C. hypothalamus
D. proprioceptor

A. choroid plexus

Which meninx is a delicate connective tissue membrane that clings tightly to the brain like cellophane wrap following its every convolution?
A. periosteal layer of the dura mater
B. meningeal layer of the dura mater
C. pia mater
D. arachnoid mater

C. pia mater

The subarachnoid space lies between what two layers of meninges?
A. dura and epidura
B. arachnoid and epidura
C. arachnoid and dura
D. arachnoid and pia

D. arachnoid and pia

Which of the following is not a site where a tumor is likely to cause hydrocephalus?
A. fourth ventricle
B. cerebral aqueduct
C. pia mater
D. subarachnoid space

C. pia mater

In spina bifida, the cerebrum and part of the brain stem never develop.
A. True
B. False

B. False

Which of the following is the LEAST likely to be structurally affected if spina bifida develops in a fetus?
A. cauda equina
B. roots of sacral spinal nerves
C. sacrum
D. laminae of thoracic vertebrae

D. laminae of thoracic vertebrae

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