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BRAINSTEM

Total questions: 95

Worksheet time: 51mins

Name
Class
Date
1.

Small group of neurons located to the part of superior colliculus

a)

Superior colliculus

b)

Occulomotor nucleus

c)

Pretectal nucleus

2.

Concerned with visual reflexes

a)

Superior colliculus

b)

Occulomotor nucleus

c)

Pretectal nucleus

3.

Curved part posterior to the substantia nigra

a)

Medial spinal

b)

Medial spinal and trigeminal lemnisci

c)

Trigeminal lemnisci

4.

In superior colliculus, afferent fiber forms:

a)

Tectospinal tract

b)

Tectobulbar tract

c)

Spinotectal tract

5.

In superior colliculus, efferent fibers form:

a)

Optic nerve

b)

Visual cortex

c)

Spinotectal tract

d)

Tectospinal tract

e)

Tectobulbar tract

6.

Located in the central gray mater close to the median plane

a)

Occulomotor nucleus

b)

Pretectal nucleus

c)

Medial spinal and trigeminal lemnisci

7.

STRUCTURE IN THE ANTERIOR ASPECT


Deep depression in the midline

a)

Posterior perforated substanc

b)

Crus Cerebri

c)

Interpeduncular fossa

8.

STRUCTURE IN THE ANTERIOR ASPECT


Located in the tegmentum lateral and posterior to the red nuclei

a)

Crus cerebri

b)

Red nucleus

c)

Reticular formation

9.

Arise on the groove at the medial side of crus cerebri and goes anterior in the lateral wall of the cavernous sinus

a)

Oculomotor nerve

b)

Cerebral aqueduct

c)

Posterior perforated substance

10.

vascula perforation in the floor of the fossa

a)

Substantia nigra

b)

Posterior perforated substance

c)

Red nucleus

11.

Red nucleus is highly vascular

a)

True

b)

False

12.

RED NUCLEUS

a)

located bet the cerebral aqueduct and substance nigra

b)

Cytoplasm has iron containing pigment

c)

Rounded masa of gray mater

d)

Avascular

13.

In the Red nucleus, EFFERENT FIBERS will come from:

-cerebral cortex thru corticospinal fiber

-cerebellum thru superior cerebellar peduncle

-lentiform nucleus - sub thalamic - hypothalamic nucle - substance nigra - spinal cord

a)

True

b)

False

14.

In the Red nucleus, AFFERENT FIBERS will go to the:

-spinal cord thru rubrospinal tract (decussate)

- reticular formation thru the rubroreticular tract

-thalamus

- substance nigra

a)

True

b)

False

15.

AFFERENT FIBERS will come from:

a)

CEREBRAL CORTEXT thru the CORTICOSPINAL FIBER

b)

CEREBELLUM thru the SUPERIOR CEREBELLAR PEDUNCLE

c)

LENTIFORM NUCLEUS - SUBTHALAMIC - HYPOTHALAMIC NUCLEI - SUBTANCE NIGRA - SPINAL CORD

d)

SPINAL CORD THRU THE RUBRORETICAR TRACT

16.

EFFERENT FIBERS will go to the:

a)

SPINAL CORD thru the RUBROSPINAL TRACT

b)

RETICULAR FORMATION thru the RUBRORETICULAR TRACT

c)

THALAMUS

d)

SUBTANCE NIGRA

17.

The narrow cavity of the midbrain connecting the 3rd and 4th ventricle

a)

Tectum

b)

Cerebral aqueduct

c)

Crus cerebri

d)

Substancia nigra

18.

Part of the midbrain posterior to the aqueduct overlied by the 4 colliculi

a)

Tectum

b)

Medial Lemniscus

c)

Reticular formation

d)

Inferior colliculus

19.

Located between the cerebral hemisphere and the spinal cord

a)

Medulla oblongata

b)

Pons

c)

Midbrain

d)

Brainstem

20.

Connects the spinal cord to other parts of the brain

a)

Midbrain

b)

Pons

c)

Medulla oblongata

d)

Brainstem

21.

Constituion of the Brainstem

a)

Medulla oblongata

b)

Pons

c)

Midbrain

d)

AOTA

22.

Brainstem contains few nuclei involved in vital body fxn

a)

False

b)

True

23.

Medulla Oblongata connects the pons _________ with the spinal cord _________.

a)

inferiorly; superiorly

b)

superiorly; posteriorly

c)

inferiorly; anteriorly

d)

superiorly; inferiorlly

24.

Most inferior part of the brainstem

a)

Medulla Oblongata

b)

Pons

c)

Midbrain

25.

Pons is conical in shape

a)

True

b)

False

26.

ANTERIOR PORTION OF THE MEDULLA OBLONGATA


-midline depression extending up to the spinal cord

a)

Anterior median fissure

b)

Pyramid

c)

Decussation of Pyramid

d)

Anterior external arcuate fiber

e)

Olives

27.

ANTERIOR PORTION OF MED OBLONGATA


-swelling lateral to the median fissure

a)

Anterior median fissure

b)

Pyramid

c)

Decussation of pyramid

d)

Anterior external arcuate fiber

e)

Olives

28.

ANTERIOR PORTION OF THE MEDULLA OBLONGATA


- point of crossing over of most of the descending fibers

a)

Anterior median fissure

b)

Pyramid

c)

Decussation of pyramid

d)

Anterior external arcuate fiber

e)

Olives

29.

ANTERIOR PORTION OF MED OBLONGATA


- made up of few nerve fiber emerging from the anterior median fissure just above the decussation

a)

Anterior median fissure

b)

Pyramid

c)

Decussation of pyramid

d)

Anterior external arcuate fiber

e)

Olives

30.

ANTERIOR PORTION OF MED OBLONGATA


- oval elevations posterolateral to the pyramids made by underlying inferior olivary nuclei

a)

Anterior median fissure

b)

Pyramid

c)

Decussation of pyramids

d)

Anterior external arcuate fiber

e)

Olives

31.

Medulla Oblongata contains the descending and ascending nerve tracts and discrete nuclei responsible for :

a)

Regulation of HR and blood vessel diameter

b)

Breathing

c)

Swallowing

d)

Vomiting

e)

Coughing and sneezing

32.

Junction between the spinal cord and the medulla oblongata is the site of origin of anterior and posterior root of C2 spinal nerves at the level of foramen magnum

a)

True

b)

False

33.

INTERNAL STRUCTURES OF THE MEDULLA OBLONGATA


4 Levels at which medulla oblongata is considered

a)

Level of decussation of pyramid

b)

Level of decussation of lemnisci

c)

Level of fasciculus cuneatus

d)

Level of the olives

e)

Level just inferior to the pons

34.

STRUCTURE AT THE LEVEL OF DECUSSATION PYRAMID

a)

Lateral Corticospinal tract and Substancia Gelatinosa

b)

Fasciculus Gracilis and Fasciculus Cuneatus

c)

Nucleus Gracilis and Cuneatus and Nucleus of the Spinal Tract CN V

d)

NOTA

e)

AOTA

35.

Posterior portion of the Medulla oblongata FOUND IN THE SUPERIOR HALF OF THE MED OBLONGATA

a)

Gracile Tubercle

b)

Cuneate Tubercle

c)

Posterior median sulcus

d)

Floor of the 4th Ventricle

36.

Posterior portion of the Medulla Oblongata ELONGATED ELEVATION LATERAL TO THE MEDIAN SULCUS MADE BY THE UNDERLYING GRACILE NUCLEUS

a)

Posterior median sulcus

b)

Gracile tubercle

c)

Cuneate tubercle

d)

Floor of the 4th Ventricle

37.

Posterior portion of the Med Oblongata MEDIAN DEPRESSION CONTINUES WITH THE SPINAL CORD

a)

Posterior median sulcus

b)

Nucleus gracilis

c)

Internal arcuate fiber

d)

Cuneate tubercle

38.

Posterior portion of the Med oblongata SWELLING TO THE GRACILE TUBERCLE AND MADE BY CUNEATE NUCLEUS

a)

Spinal tract of CN V

b)

Cuneate Tubercle

c)

Gracile tubercle

d)

Floor of the 4th Ventricle

39.

Olivary nuclear complex consists of 3 nuclei whose function is associated with involuntary muscle complex

a)

True

b)

False

40.

Vestibulocochlear Nuclei a nuclear complex that consists of 2 nuclear components

a)

True

b)

False

41.

Olivary Nuclear Complex

a)

A. Inferior Olivary Nuclei

b)

B. Dorsal and Medial Acessory Olivary Nuclei

c)

C. Superior Olivary Nuclei

d)

Both A and B

e)

Both B and C

42.

Largest nucleus in the complex; shaped like a crumpled bag with its mouth directed medially; underlying N of the olive is in the surface of the medulla oblongata

a)

Superior Olivary Nuclei

b)

Inferior Olivary Nuclei

c)

Dorsal and Medial Acessory Olivary Nuclei

43.

Found at the supero-medial and infero-medial and respectively of the inferior olivary nucleus

a)

Vestibulocochlear nuclei

b)

Dorsal and medial acessory olivary nuclei

c)

Inferior Olivary Nuclei

d)

Superior Olivary Nuclei

44.

Consist of nuclei found beneath the floor of the 4th ventricle

a)

Olivary nuclear complex

b)

Vestibular nuclear complex

c)

Cochlear nuclear complex

45.

Component of the vestibular nuclear complex


i. Medial vestibular nucleus

ii. Inferior vestibular nucleus

iii. Lateral vestibular nucleus

iv. Superior vestibular nucleus

a)

i and ii only

b)

i and iii only

c)

ii, iii, and iv

d)

i, ii, iii, iv

e)

NOTA

46.

Found in the anterolateral aspect of the inferior cerebellar peduncle

a)

Anterior Cochlear nucleus

b)

Posterior Cochlear Nucleus

47.

Located posterior to the peduncle lateral to the floor of the 4th ventricle

a)

Posterior Cochlear Nucleus

b)

Anterior Cochlear Nucleus

48.

Central Gray Mater

a)

Made up of large motor neurons found within the retucular formation

b)

Nerve fiber join the CN IX, X, & part of CN XI then distributed to voluntary skeletal muscles

c)

Level of olives, lies beneath the floor of the 4th ventricle

d)

Significant structures (medial to lateral)

49.

Nucleus Ambigous

a)

Made up of large motor neurons found within the reticular formation

b)

Nerve fiber join CN IX, X, & part of CN XI then distributed to voluntary skeletal muscles

c)

Level of olives, lies beneath the floor of the 4th ventricle

d)

Significant structures (medial to lateral)

50.

Fiber route of the inferior olivary nuclei:

Spinal olivary tract (from the spinal cord, cerebellum, cerebral cortex)

--> cell body --> decussate thru the inferior cerebellar peduncle --> cerebellum

a)

TRUE

b)

FALSE

51.

Gray mater increase in amount due to structures present

a)

True

b)

False

52.

Located close to the midline beneath the floor of the lower part of the 4th ventricle ; receives cortinuclear fibers from the cerebral hemisphere

a)

Dorsal Nucleus of the Vagus

b)

Nucleus of the tractus solitarius

c)

Hypoglossal Nucleus

d)

Pontine nuclei

e)

Medial and inferior vestibular nuclei

53.

Parasympathetic nucleus of the vagus ; lies beneath the floor of the lower part of the 4th ventricle posterolateral to the hypoglossal nucleus

a)

Dorsal nucleus of the vagus

b)

Hypoglossal nucleus

c)

Pontine nuclei

d)

Medial and inferior vestibular nuclei

54.

Sensory nucleus of the facial nerve and lies close to the motor nucleus

a)

Medial and inferior vestibular nuclei

b)

Pontine nuclei

c)

Nucleus of the tractus solitarius

d)

Dorsal nucleus of the vagus

e)

Hypoglossal nucleus

55.

Forms part of the vestibular nuclear complex

a)

Anterior external arcuate fiber

b)

Pontine nuclei

c)

Pyramids

d)

Medial and inferior vestibular nuclei

56.

Located in the anterior surface of the pyramid

a)

Pyramid

b)

Pontine nuclei

c)

Anterior external arcuate fiber

d)

Medial lemniscus

57.

Flattened tract on each side of the midline posterior to the pyramid; emerge from decussation of the lemnisci to convey sensory info to the thalamus

a)

Medial lemniscus

b)

Inferior cerebellar peduncle

c)

Medial longitudinal fasciculus

d)

Pyramids

58.

Arises from the arcuate nuclei at the base of the medulla oblongata and pass around the surface of the medulla and together with the posterior external arcuate fiber enters the cerebellum as component of the restiform portion of the inferior cerebellar peduncle

a)

Pyramids

b)

Medial lemniscus

c)

Spinal tract of the trigeminal n. and its nuclei

d)

Anterior external arcuate fiber

59.

Situated in the anterior part of the medulla separated by anterior median fissure; contains corticospinal and some corticonuclear fibers

a)

inferior cerebellar peduncle

b)

Pyramids

c)

Spinal lemniscus

d)

Reticular formation

60.

Tracts of nerve bundles located lateral to the midline posterior to the medial lemniscus and anterior to the hypoglossal nucleus

a)

Spinal lemniscus

b)

Medial lemniscus

c)

Medial longitudinal fasciculus

d)

Spinal tract of the trigeminal n. and its nuclei

61.

found in the anteromedial aspect of the inferior cerebellar peduncle

a)

Anterior spinocerebellar tract

b)

Spinal lemniscus

c)

Spinal tract of trigeminal n. and its nuclei

d)

Reticula formation

62.

diffuse mixture of nerve fibers and small group of nerve cells deeply placed posterior to the olivary nuclei

a)

Pyramids

b)

hypoglossal nucleus

c)

Anterior spinocerebellar tract

d)

Reticular formation

63.

Consist of the anterior and lateral spinothalamic and the spinotectal tract

a)

inferior cerebellar peduncle

b)

Spinal lemniscus

c)

Medial longitudinal fasciculus

d)

Medial lemniscus

64.

Found in the posterolateral corner of the section on lateral side of 4th ventricle

a)

Inferior cerebellar peduncle

b)

Anterior spinocerebellar tract

c)

CNs IX, X, XI

d)

CN XII

65.

Runs in the anterolateral direction thru the reticular formation and its nerve fiber arise between the pyramids and olives

a)

CNs IX, X, XI

b)

CN XII

c)

Spinal lemniscus

66.

Found superficially in the interval between the inferior olivary nucleus and the nucleus of the spinal tract of trigeminal n.

a)

Spinal lemniscus

b)

CN XII

c)

Anterior spinocerebellar tract

d)

CN IX, X, XII

67.

Runs in the anterolateral direction thru reticular formation and its nerve fiber arise between pyramids and olives

a)

CN XII

b)

CNs IX, X, XI

c)

spinal lemniscus

d)

Medial fasciculus

68.

Runs in the anterolateral direction thru reticular formation and fibers emerge between olives and inferior cerebellar peduncle

a)

Cochlear nucleus

b)

Lateral Vestibular Nucleus

c)

CNs IX, X, XI

d)

CN XII

69.

There's not much change in the distribution of white and gray mater

a)

True

b)

False

70.

A.k.a Nucleus of Deiters

a)

Cochlear nucleus

b)

Lateral vestibular nucleus

71.

Part of the brainstem; anterior to the cerebellum and connects medulla oblongata to the midbrain

a)

Pons

b)

Forebrain

c)

Cerebral hemisphere

72.

Bridge connecting right and left cerebellar hemisphere

a)

Longitudinal fissure

b)

Pons

c)

Midbrain

73.

Structures in the anterior surface (Pons)


MIDDLE CEREBELLAR PEDUNCLE

a)

Transverse fibers w/c converge laterally

b)

Shallow groove in the midline lodging basilar artery

c)

Lateral limitation of the posterior surface of the pons

74.

BASILAR GROOVE

a)

Shallow groove in the midline lodging the basilar artery

b)

Symmetrically divide the posterior surface

c)

Lateral boundary of the medial eminence

75.

Cranial nerves located in the anterior surface of pons

a)

Trigeminal n. emerges on the anterolateral surface of the pons

b)

Abducens nerve

c)

Hypoglossal nerve

d)

Facial nerve

e)

Vestibulocochlear nerve

76.

Abducens nerve, facial nerve, and vestibulocochlear nerve arise medial to lateral in the groove between pons and medulla oblongata

a)

False

b)

True

77.

Structures in the posterior surface


SUPERIOR CEREBELLAR PEDUNCLE

a)

Symmetrically divide the posterior surface

b)

Lateral limitation of the posterior surface of the pons

c)

Elongated elevation lateral to the median sulcus

78.

MEDIAN SULCUS

a)

Elevation lateral to the sulcus limitans produces by underlying vestibular nuclei

b)

Elongated elevation lateral to median sulcus

c)

Symmetrically divide posterior surface

d)

Lateral boundary of the medial eminence

79.

MEDIAL EMINENCE

a)

Elongated elevation lateral to median sulcus

b)

Lateral boundary of medial eminence

c)

Slightly expanded inferior end of medial eminence

80.

Sulcus limitans -laterally

Median sulcus - medially

a)

True

b)

False

81.

SULCUS LIMITANS

a)

Symmetrically divide posterior surface

b)

Slightly expanded inferior end of the medial eminence

c)

Lateral boundary of the medial eminence

82.

Which is NOT TRUE regarding Facial colliculus?

a)

Slightly expanded inferior end of medial eminence

b)

Found distal to medial eminence

c)

Formed by root of facial nerve winding around nerve of CN VI

d)

Expanded portion of medial eminence

e)

Bluish gray color of superior part of the floor of sulcus limitans

83.

Bluish-gray color of the superior part of the floor of the sulcus limitans

a)

Area vestibuli

b)

Substantia ferruginea

84.

Elevation lateral to the sulcus limitans produced by the underlying vestibular nuclei

a)

Area vestibuli

b)

Substantia ferruginea

85.

Structures in the caudal part of the pons

a)

Medial lemniscus

b)

Facial nucleus

c)

Facial colliculus

d)

Medial longitudinal fasciculus

e)

Medial vestibular nucleus

86.

Found in most anterior part of tegmentum with its axis running trasversely

a)

Medial Lemniscus

b)

Facial nucleus

c)

Facial colliculus

d)

Medial longitudinal fasciculus

e)

Medial vestibular nucleus

87.

Lies posterior to the lateral part of the medial lemniscus

a)

Medial lemniscus

b)

Facial nucleus

c)

Facial colliculus

d)

Medial longitudinal fasciculus

e)

Medial vestibular nucleus

88.

Termed by winding of the nerve of the facial nerve around the nucleus of the abducens nerve

a)

Medial lemniscus

b)

Facial nucleus

c)

Facial colliculus

d)

Medial longitudinal fasciculus

e)

Medial vestibular nucleus

89.

Formed beneath the floor of the 4th ventricle on either side of the midline.

a)

Medial lemniscus

b)

Facial nucleus

c)

Facial colliculus

d)

Medial longitudinal fasciculus

e)

Medial vestibular nucleus

90.

Main pathway that connects vestibular and cochlear nuclei with the nuclei that control the extraoculat muscle (CNs III, IV, VI)

a)

Medial lemniscus

b)

Facial nucleus

c)

Facial colliculus

d)

Medial longitudinal fasciculus

e)

Medial vestibular nucleus

91.

Located lateral to the abduscent nucleus and medial to the inferior cerebellar peduncle

a)

Medial Lemniscus

b)

Facial nucleus

c)

Facial colliculus

d)

Medial longitudinal fasciculus

e)

Medial vestibular nucleus

92.

MIDBRAIN

a)

Mesencephalon

b)

Connects pons and cerebellum with the forebrain

c)

Inclines anteriorly as it ascends thru the tentorium cerebelli

93.

Midbrain is traversed by ___________

a)

tentorium cerebelli

b)

Cerebral peduncle

c)

Cerebral aqueduct

94.

Gross appearance of the Midbrain

a)

2 cm in length

b)

Structure lying supero-posterior to the pons

c)

Structure lying supero-anterior to the cerebellum

95.

Nainom ka tuba?

a)

Yes

b)

No

c)

Waray ka choice

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