Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

DPT 500 > Quiz Questions > Flashcards

Quiz Questions Flashcards

1
Q

Which of the following is a proprioceptor?
- free nerve ending
- meisssner’s corpuscle
- muscle spindle
- merkel’s disk

A

Muscle spindle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which of the following is true of the somatosensory tract conveying light touch and conscious proprioceptive information from the upper limb?

  • 2nd order neuron located in the VPL nucleus of the thalamus
  • 2nd order neuron located in a dorsal root ganglion of a cervical spinal nerve
  • 2nd order neuron cell body located in the nucleus cuneatus of the medulla
  • 2nd order neuron cell body located in the nucleus gracious of the medulla
A
  • 2nd order neuron cell body located in the nucleus cuneatus of the medulla
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which of the following is a component of the medial lemniscus?

  • fasciculus gracilis
  • inferior cerebellar peduncle
  • internal capsule
  • anterolateral column
A
  • fasciculus gracilis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

A lesion in the left dorsal column of the lumbar spinal cord would most likely result in _____________.

  • loss of the ability to sense light touch of the left leg
  • loss of the ability to sense fast pain of the left leg
  • loss of the ability to sense fast pain of the right leg
  • loss of the ability to sense light touch of the right leg
A
  • loss of the ability to sense light touch of the left leg
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The dorsal column/medial lemniscus pathway decussates in the ____________.

  • medulla
  • thalamus
  • spinal cord
  • primary somatosensory cortex
A
  • medulla
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which of the following is true of the primary somatosensory cortex?

  • contains a somatotropin map of the body
  • amount of tissue in the primary somatosensory cortex dedicated to processing information from body parts is based on the size of the body part
  • located in the pre central gurus
  • located in the frontal lobe
A
  • contains a somatotropin map of the body
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

1st order neurons conveying fast nociceptive pain information ___________________.

  • decussate in the spinal cord
  • ascend the spinal cord in the spinothalamic tract
  • have their cell bodies in the spinal cord
  • synapse in the dorsal horn of the spinal cord
A
  • synapse in the dorsal horn of the spinal cord
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The cuneocerebellar pathway __________________.

  • transmits proprioceptive information from the upper limb to the cerebellum
  • includes a first order neuron with its cell body in the ventral horn of the spinal cord
  • transmits light touch information from the upper limb to the cerebellum
  • includes a 3rd order neuron with its cell body in the VPL nucleus of the thalamus
A
  • transmits proprioceptive information from the upper limb to the cerebellum
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Discriminative (fast) pain information travels in the ___________________.

  • dorsal column of the spinal cord
  • inferior cerebellar peduncle
  • medial lemniscus
  • anterolateral column of the spinal cord
A
  • anterolateral column of the spinal cord
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which of the following is true of an internal feedback tract?

  • transmits motor information to the cerebral cortex
  • posterior spine cerebellar tract is an internal feedback tract
  • includes proprioceptors with cell bodies in a dorsal root ganglion
  • rostrospinocerebellar tract is an internal feedback tract
A
  • rostrospinocerebellar tract is an internal feedback tract
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The anterior spinocerebellar tract _________________.

  • is a high fidelity spinocerebellar tract
  • enters cerebellum via the superior cerebellar peduncle
  • transmits information from the cervical spinal cord
  • projects only to the ipsilateral cerebellum
A
  • enters cerebellum via the superior cerebellar peduncle
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which of the following provides information about descending motor tracts to the cerebellum?

  • high-fidelity spinocerebellar pathways
  • posterior spinocerebellar pathways
  • internal feedback tract
  • cuneocerebellar pathway
A
  • internal feedback tract
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Medial motor tracts ________________.

  • control posture and gross movements
  • control fractionated movements
  • are all classified as pyramidal tracts
  • travel through the lateral column of the spinal cord
A
  • control posture and gross movements
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which of the following is true of the reticulospinal tract?

  • contains upper motor neurons located in the reticular formation of the midbrain
  • originates in the red nucleus
  • control fractionated movements of the upper limbs
  • contains upper motor neurons located in the motor cortex
A
  • contains upper motor neurons located in the reticular formation of the midbrain
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which of the following is the most important pathway controlling voluntary movements of limbs?

  • medial vestibulospinal tract
  • rubrospinal tract
  • reticulospinal tract
  • lateral corticospinal tract
A
  • lateral corticospinal tract
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which of the following is a pyramidal tract?

  • rubrospinal tract
  • lateral corticospinal tract
  • lateral vestibulospinal tract
  • reticulospinal tract
A
  • lateral corticospinal tract
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Most fibers of the lateral corticospinal tract decussates in the _________________________.

  • pyramids of the medulla
  • internal capsule
  • spinal cord
  • pons
A
  • pyramids of the medulla
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Which of the following integrates balance information and facilitates motor neurons that control postural muscles of the trunk and lower limbs?

  • reticulospinal tract
  • lateral vestibulospinal tract
  • rubrospinal tract
  • lateral corticospinal tract
A
  • lateral vestibulospinal tract
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Corticospinal fibers are NOT found in which of the following structures?

  • inferior cerebellar peduncle
  • cerebral peduncle
  • pyramids of the medulla
  • internal capsule
A
  • inferior cerebellar peduncle
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Hematoxylin ______________________.

  • binds mostly to structures in the extracellular matrix of tissue
  • binds to nuclei acids in the nuclei of cells
  • dyes cellular structures pink
  • is an acidic dye
A
  • binds to nuclei acids in the nuclei of cells
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Which of the following is true of collagen synthesis?
- modifications to pro collagen occurs in the rough endoplasmic reticulum
- vitamin D required for hydrorxylation of amino acids
- insoluble bundles of collagen fibers form in the Golgi body
- collagen is synthesized by macrophages

A
  • modifications to pro collagen occurs in the rough endoplasmic reticulum
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Which of the following is true of type I collagen?

  • has a high tensile strength
  • found in the basement membrane and acts to anchor epidermis to dermis
  • composed of short fibrils that are easily stretched
  • is the most prominent type of collagen in hyaline cartilage
A
  • has a high tensile strength
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Which of the following is NOT true of glycosaminoglycans?

  • hyaluronic acid and chondroitin sulfate are gylocosaminoglycans
  • are long chains of repeating disaccharides units that bind to water
  • decrease the viscosity of a liquid and increase frictional forces
  • found in the ground substance of cartilage and fibrous connective tissue
A
  • decrease the viscosity of a liquid and increase frictional forces
24
Q

Which of the following is NOT true of sulfates glycosaminoglycans?

  • bind to core proteins along their length, forming proteoglycans
  • collagen is a sulfated glycosaminoglycans
  • have high negative charge forces that trap water
  • chondroitin sulfate is a sulfated glycosaminoglycans
A
  • collagen is a sulfated glycosaminoglycans
25
Q

Which of the following is NOT true of fibronectin?

  • binds to glycosaminoglycans
  • is a soluble protein that makes up the cell’s cytoskeleton
  • binds to integrins
  • binds to collagen
A
  • is a soluble protein that makes up the cell’s cytoskeleton
26
Q

Preganglionic sympathetic neuronal cell bodies are found in _______________.

  • the brain stem
  • the sacral spinal region
  • spinal segments T1-L2
  • the paravertebral sympathetic trunk
A
  • spinal segments T1-L2
27
Q

The left geniculate body of the thalamus . . .

  • contains information from only the right visual field
  • contains information from both the left and right visual field
  • receives projections from only the right eye (not the left eye)
  • projects to the right visual cortex
A
  • contains information from only the right visual field
28
Q

Which of the following is true of the paravertebral trunk?

  • contains preganglionic fibers originating from the brain stem
  • left and right paravertebral trunks are connected at the ganglion impair
  • found on the abdominal aorta
  • contains postganglionic parasympathetic fibers
A
  • left and right paravertebral trunks are connected at the ganglion impair
29
Q

Which of the following is true peripheral sympathetic inner action at the level of origin of a preganglionic fiber (e.g. cutaneous inner action of abdominal region)?

  • preganglionic fibers synapse with postganglionic neurons in a paravertebral ganglion
  • preganglionic fibers travel through the poster root and posterior root ganglion
  • preganglionic fibers reach the skin by traveling through posterior or anterior rami of thoracic spinal nerves
  • postganglionic fibers travel through splanchnic nerves that arise from prevertebral ganglia
A
  • preganglionic fibers synapse with postganglionic neurons in a paravertebral ganglion
30
Q

For peripheral sympathetic innervation above or below the level of origin of the preganglionic fiber (e.g. cutaneous innervation of the head or feet) _______________.

  • postganglionic cell bodies are located in the posterior horn of the spinal cord
  • preganglionic fibers originate in the brain stem or sacral spinal cord
  • preganglionic fibers can ascend or descend the sympathetic trunk and synapse with postganglionic neurons in paravertebral ganglia associated with spinal nerves that do not have sympathetic input directly from the spinal cord (spinal nerves other than T1 to L2)
  • postganglionic fibers originate from spinal cord segments in the cranial and sacral spinal cord and travel to the skin through cranial and sacral spinal nerves
A
  • preganglionic fibers can ascend or descend the sympathetic trunk and synapse with postganglionic neurons in paravertebral ganglia associated with spinal nerves that do not have sympathetic input directly from the spinal cord (spinal nerves other than T1 to L2)
31
Q

Which of the following is true of sympathetic innervation of the heart?

  • cardiac nerves branch off the anterior rami of thoracic nerves T1-T4
  • preganglionic fibers synapse with postganglionic motor neurons in a prevertebral ganglion
  • postganglionic sympathetic fibers reach the heart by traveling through the anterior rami of spinal nerves
  • cardiac nerves emerge from paravertebral ganglia and contain postganglionic fibers
A
  • cardiac nerves emerge from paravertebral ganglia and contain postganglionic fibers
32
Q

Which of the following is true of sympathetic innervation of organs in the abdomen and pelvic regions?

  • preganglionic fibers emerge from prevertebral ganglia and travel through the gray communicants to reach spinal nerves
  • preganglionic sympathetic fibers pass through paravertebral ganglia without synapsing and form splanchnic nerves which travel to prevertebral ganglia
  • preganglionic fibers synapse with postganglionic fibers in the paravertebral ganglia
  • postganglionic fibers ascend or descend the paravertebral trunk
A
  • preganglionic sympathetic fibers pass through paravertebral ganglia without synapsing and form splanchnic nerves which travel to prevertebral ganglia
33
Q

Which of the following cranial nerves does NOT contain parasympathetic general visceral efferent fibers?

  • CN III
  • CN 6
  • CN 7
  • CN 9
  • CN 10
A

CN 6

34
Q

Parasympathetic preganglionic fibers in the oculomotor nerve synapse with postganglionic cells in

  • paravertebral ganglia
  • the ciliary ganglion
  • the submandubular ganglion
  • prevertebral ganglia
A
  • the ciliary ganglion
35
Q

Which of the following contain preganglionic parasympathetic fibers?

  • the olfactory nerve
  • pelvic splanchnic nerves that branch off the anterior rami of spinal nerves S2-S4
  • CN VIII
  • the paravertebral trunk
A
  • pelvic splanchnic nerves that branch off the anterior rami of spinal nerves S2-S4
36
Q

Which cranial nerve contains special visceral efferent fibers that innervation muscles of mastication (chewing)?

  • IX
  • X
  • VII
  • V
A

V

37
Q

Which of the following cranial nerves contains general visceral efferent fibers that originate from the superior salivatory nucleus in the pons?

  • VII
  • III
  • IV
  • V
  • XI
A

VII

38
Q

Special visceral afferent fibers that carry taste information from the tongue __________________.

  • synapse in the solitary nucleus (nucleus of the solitary tract)
  • are found in CN XI
  • synapse in the nucleus ambiguus of the medulla
  • are found in CN VI
A
  • synapse in the solitary nucleus (nucleus of the solitary tract)
39
Q

Which of the following is true of the superior oblique muscle?

  • innervation by the oculomotor nerve
  • innervation by the abductees nerve
  • acts to elevate the eyeball (move pupil upward) when the eye is adducted
  • acts to depress the eyeball (move pupil downward) when the eye is adducted
A
  • acts to depress the eyeball (move pupil downward) when the eye is adducted
40
Q

The medial recuts muscle ____________.

  • acts to abduct the eyeball
  • is innervated by CN VI
  • originates on the common tendinous ring
  • is innervated by CN IV
A
  • originates on the common tendinous ring
41
Q

The 2nd order neuronal cell body for the tribe in Al light touch pathway is located

  • in the trigeminal ganglion
  • in the VPM of the thalamus
  • in the main sensory nucleus of the pons
  • in the primary somatosensory cortex
A
  • in the main sensory nucleus of the pons
42
Q

Special visceral efferent fibers that carry efferent signals for the corneal reflex originate in ______________.

  • the solitary nucleus of the pons/medulla
  • the dorsal motor nucleus of the medulla
  • the hypoglossal motor nucleus of the medulla
  • the facial motor nucleus of the pons
A
  • the facial motor nucleus of the pons
43
Q

The glossopharyngeal nerve _______________.

  • contains general visceral afferent fibers that convert blood pressure information from the carotid sinus
  • travels through the foramen rotundum
  • contains special visceral efferent fibers that control muscles of facial expression
  • travels through the superior orbital fissure
A
  • contains general visceral afferent fibers that convert blood pressure information from the carotid sinus
44
Q

The vagus nerve _____________.

  • contains general visceral afferent fibers that synapse in the vestibular nucleus
  • travels through cribb form plate foramina
  • contains preganglionic parasympathetic fibers that synapse in the optic ganglion
  • contains general visceral efferent fibers that originate in the dorsal motor nucleus
A
  • contains general visceral efferent fibers that originate in the dorsal motor nucleus
45
Q

The hypoglossal nerve

  • contains general somatic efferent fibers that originate in the medulla
  • conveys sensory information from the abdominal viscera
  • contains three branches (V1, V2, V3)
  • provides sensory information from the pharynx, posterior tongue and middle ear
A
  • contains general somatic efferent fibers that originate in the medulla
46
Q

Spinal nerve C3 ______________.

  • emerges from the intervertebral foramen between vertebrae C2 and C3
  • contains fibers originating from spinal segment C4
  • contains fibers originating from spinal segment C2
  • emerges from the intervertebral foramen between vertebrae C3 and C4
A
  • emerges from the intervertebral foramen between vertebrae C2 and C3
47
Q

Where are you most likely to find a motor neuron cell body (soma)?

  • ventral horn of spinal cord
  • anterior ramus of spinal nerve
  • white mater of spinal cord
  • posterior root ganglion
A
  • ventral horn of spinal cord
48
Q

The median portion of the cerebellum that connects the two cerebellar hemispheres is the _________________.

  • vermis
  • flocculus
  • floculonodular lobe
  • tonsil
A

Vermis

49
Q

The ansa cervicalis ____________.

  • innervated the trapezius muscle
  • gives rise to cutaneous nerves that carry sensory information from the skin in the head and neck region
  • innervates the infrahyoid muscles (strap muscles)
  • innervates the diaphragm
A
  • innervates the infrahyoid muscles (strap muscles)
50
Q

Which of the following is NOT composed of myleinated axons?

  • insula
  • cerebellar peduncle
  • pyramid
  • internal capsule
A

Insula

51
Q

Spinal segment L5 _______________.

  • is associated with the S1 spinal nerves
  • is located at the level of the L5 vertebrae
  • is located inferior of the conus medullaris
  • is associated with the L5 spinal nerves
A
  • is associated with the L5 spinal nerves
52
Q

The sciatic nerve __________.

  • contains two divisions — tibial & common fibular
  • is formed from the posterior rami of lumbar spinal nerves
  • innervates anterior thigh muscles
  • is formed from spinal nerves T3 - L3
A
  • contains two divisions — tibial & common fibular
53
Q

Which of the following does NOT contribute fibers to the radial nerve?

  • anterior division of inferior trunk
  • posterior division of superior trunk
  • posterior division of middle trunk
  • C7 spinal root
A
  • anterior division of inferior trunk
54
Q

The cervical plexus includes which of the following spinal nerve roots?

  • C1-C3
  • C1-C4
  • C3-C5
  • C1-C8
A

C1-C4

55
Q

Where are you most likely to find both afferent and efferent fibers?

  • anterior ramus of spinal nerve
  • anterior root
  • dorsal root ganglion
  • posterior root
A
  • anterior ramus of spinal nerve
56
Q

Which of the following is true of the striatum?

  • is a component of the basal ganglia
  • composed of the substantia Niagara and amygdala
  • contains motor fibers of the corticospinal tract
  • located in the medulla
A
  • is a component of the basal ganglia

DPT 500 (11 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions