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Anatomy > Theory Test #5 - Feb 20th > Flashcards

Theory Test #5 - Feb 20th Flashcards

1
Q 
The spinal cord extends from the brain stem to which vertebral level
A) T12
B) S1
C) L5
D) L2
A

D) L2

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2
Q 
The dorsal root of the spinal cord contains \_\_\_\_ fibres, and the ventral root of the spinal cord contains \_\_\_\_ fibres
A) Motor/Sensory
B) Sensory/Motor
C) Sympathetic/Parasympathetic
D) Efferent/Afferent
A

B) Sensory/Motor

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3
Q 
A nerve signal travelling from the gall bladder to the brain is which type of message?
A) Somatic afferent
B) Visceral Efferent
C) Somatic Efferent
D) Visceral Afferent
A

D) Visceral Afferent

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4
Q 
Which branch of the ANS is responsible for maintaining the body’s rest and digestion functions?
A) Sympathetic
B) Somatic
C) Sensory
D) Parasympathetic
A

D) Parasympathetic

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5
Q

Which statement about the sympathetic nervous system is FALSE?
A) It originates in the thoracolumbar region
B) It contains relatively short preganglionic fibres
C) It Only innervated structures in the trunk
D) Pathways include paravertebral ganglia

A

C) It only innervates structures in the trunk

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6
Q 
Nerve plexuses are formed by \_\_\_\_ rami, which are branches of \_\_\_\_ spinal nerves.
A) Ventral/Motor
B) Dorsal/Motor
C) Ventral/Mixed
D) Dorsal/Mixed
A

C) Ventral/Mixed

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7
Q 
The cervical plexus arises from the ventral rami of which spinal segments
A) C1-C2
B) C4-C8
C) C5-T1
D) C1-C4
A

D) C1-C4

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8
Q 
The splenius muscles are innervated by which nerve structure?
A) Cervical plexus
B) Ventral rami of the cervical spine
C) Brachial Plexus
D) Dorsal rami of the cervical spine
A

D) Dorsal rami of the cervical spine

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9
Q

Which statement about the brachial plexus is TRUE?
A) It gives rise to nerves that innervated the shoulder, arm, forearm and hand
B) It is formed by intermixing of the ventral rami of C2-C8 spinal nerves
C) Two cords give rise to four trunks from which the terminal branches rise
D) It is palpated inferior to the clavicle at the medial aspect of the Pectoralis muscles

A

A) It gives rise to nerves that innervated the shoulder, arm, forearm and hand

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10
Q 
Which nerve only innervates one muscle?
A) Suprascapular
B) Long Thoracic
C) Median
D) Axillary
A

B) Long Thoracic

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11
Q 
Which nerve innervates the muscles of the anterior Brachium?
A) Axillary
B) Radial
C) Median
D) Musculocutaneous
A

D) Musculocutaneous

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12
Q 
Which muscle does the radial nerve innervate?
A) Adductor Pollicis
B) Brachioradialis
C) Pronation Teres
D) Brachialis
A

B) Brachioradialis

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13
Q 
Which group of muscles is innervated primarily by the median nerve?
A) Anterior Antebrachial
B) Anterior Brachial
C) Posterior Brachial
D) Posterior Antebrachial
A

A) Anterior Antebrachial

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14
Q 
Which nerve passes through on the medial aspect of the elbow?
A) Radial
B) Median
C) Ulnar
D) Musculocutaneous
A

C) Ulnar

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15
Q 
Which muscle do intercostal Nerves NOT innervate?
A) Rectus Abdominus
B) Intercostal
C) Serratus Posterior Inferior
D) Erector Spinae
A

D) Erector Spinae

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16
Q 
Which ‘trunk’ connects the lumbar and sacral plexuses together?
A) Paravertebral
B) Posterior
C) Lumbosacral
D) Sympathetic
A

C) Lumbosacral

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17
Q 
Which branch of the lumbar plexus transmits sensory information from the skin of the anterior and inferomedial aspect of the thigh?
A) Obturator
B) Iliohypogastric
C) Ilioinguinal
D) Femoral
A

D) Femoral

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18
Q 
Which nerve does the saphaneous nerve branch from?
A) Femoral
B) Obturator
C) Superior Gluteal
D) Sciatic
A

A) Femoral

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19
Q 
Which muscle does the Obturator nerve NOT innervate?
A) Adductor fibres of Adductor Magnus
B) Hamstring fibres of Adductor Magnus
C) Adductor Longus
D) Obturator Externus
A

B) Hamstring fibres of Adductor Magnus

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20
Q

Which statement about nerves is FALSE?
A) The superior gluteal nerve innervates the tensor Fascia Lata
B) The sciatic nerve innervates muscles in the gluteal region
C) The sciatic nerve arises from the L4-S3 spinal segments
D) The inferior gluteal nerve innervates the Gluteus Maximus

A

B) The sciatic nerve innervates muscles in the gluteal region

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21
Q 
The sensory Innervation of the plantar aspect of the foot arises from which nerve?
A) Common fibular
B) Deep fibular
C) Superficial fibular
D) Tibial
A

D) Tibial

22
Q 
Which nerve does NOT exit the pelvis via the common pathway (through the greater sciatic foramen, inferior to the piriformis muscle)?
A) Nerve to Quadratus Femoris
B) Superior Gluteal
C) Nerve to Obturator Internus
D) Inferior Gluteal
A

B) Superior Gluteal

23
Q 
Which nerve exits the pelvis through the greater sciatic foramen superior to the piriformis muscle?
A) Femoral
B) Superior Gluteal
C) Inferior Gluteal
D) Sciatic
A

B) Superior Gluteal

24
Q 
Which nerve arises from the L2-L4 spinal cord segmental levels?
A) Sciatic nerve
B) Superior Gluteal Nerve
C) Nerve to Piriformis
D) Femoral Nerve
A

D) Femoral Nerve

25
Q 
Which muscle does the sciatic nerve innervate?
A) Gastrocnemius
B) Semimembranosus
C) Vastus Medialis
D) Adductor Brevis
A

B) Semimembranosus

26
Q 
Which nerve is located in the anterior compartment of the leg?
A) Sciatic
B) Superficial Fibular
C) Deep Fibular
D) Tibial
A

C) Deep Fibular

27
Q 
Which muscle does the superficial fibular nerve innervate?
A) Fibularis Brevis
B) Tibialis Anterior
C) Tibialis Posterior
D) Fibularis Tertius
A

A) Fibularis Brevis

28
Q

Which statement about the nerve to the piriformis is TRUE?
A) It supplies Motor Innervation to the six deep external rotators of the hip
B) It is a branch off the sacral plexus, from the nerve roots L5-S2
C) It provides sensory Innervation to the lower back and buttocks
D) It exits the pelvis via the lesser sciatic foramen inferior to the piriformis

A

B) It is a branch off the sacral plexus, from nerve roots L5-S2

29
Q 
In which pair are the nerve and muscle it innervates correctly matched?
A) Femoral-Gracialis
B) Tibial-Fibularis Tertius
C) Sciatic-Biceps Femoris
D) Obturator-Pectineus
A

C) Sciatic-Biceps Femoris

30
Q 
Which muscle does the femoral nerve NOT innervate?
A) Sartorius
B) Adductor Brevis
C) Quadriceps Femoris
D) Iliacus
A

B) Adductor Brevis

31
Q 
Which term is described by motor fibres arising from the anterior aspect of the spinal cord?
A) Ventral nerve root
B) Spinal cord
C) Dorsal nerve root
D) Spinal nerves
A

A) Ventral nerve root

32
Q

Which statement describes a dermatomes pattern of Innervation?
A) An area of skin innervated by nerves originating from several spinal cord segments
B) A group of muscles innervated by a nerve originating from a single spinal cord segment
C) An area of skin innervated by nerve fibres originating from a single spinal cord segment
D) A group of muscles innervated by nerves originating from several spinal cord segments

A

C) An area of skin innervated by nerve fibres originating from a single spinal cord segment

33
Q 
Which dermatomes pattern closely resembles the cutaneous pattern of the saphenous nerve?
A) L5
B) S2
C) S1
D) L4
A

D) L4

34
Q 
A person has no sensation on the plantar and dorsal surfaces of the foot. Which structure has likely been damaged?
A) Deep fibular nerve
B) Medial leg below the knee
C) L5 Nerve root
D) Obturator nerve
A

C) L5 Nerve root

35
Q

Which of the following is correctly matched?
A) Perineurium: Covers the peripheral nerve
B) Perineurium: Covers the individual neuronal fibres
C) Epineurium: Covers the nerve
D) Endoneurium: Covers fascicles of neuronal fibres

A

C) Epineurium: Covers the nerve

36
Q 
Which ankle movement would be most affected if the deep fibular nerve were compressed?
A) Eversion
B) Plantarflexion
C) Inversion
D) Dorsiflexion
A

D) Dorsiflexion

37
Q 
A lesion to the radial nerve will result in sensory dysfunction of which areas of the skin?
A) Forearm and medial third of the hand
B) Shoulder and Anterior brachium
C) Anterolateral aspect of the forearm
D) Most of the posterolateral upper limb
A

D) Most of the posterolateral upper limb

38
Q

Which statement about cranial nerves is TRUE?
A) Cranial nerves are part of the CNS
B) Some cranial nerves carry autonomic fibres
C) Only one cranial Nerve innervates extrinsic eye muscles
D) There are 14 pairs of cranial nerves

A

B) Some cranial nerves carry autonomic fibres

39
Q 
Which cranial nerve only carries special sense fibres?
A) CN III - Oculomotor
B) CN I - Olfactory
C) CN V - Trigeminal
D) CN IV - Trochlear
A

B) CN I - Olfactory

40
Q 
Which cranial nerve contains parasympathetic fibres?
A) Hypoglossal
B) Facial
C) Vestibulocochlear
D) Optic
A

B) Facial

41
Q 
Which cranial nerve is the only one to extend beyond the head and neck region?
A) Vagus
B) Hypoglossal
C) Oculomotor
D) Accessory
A

A) Vagus

42
Q 
Which facial nerve innervates the muscles of facial expression?
A) Accessory
B) Glosspharyngeal
C) Trigeminal
D) Facial
A

D) Facial

43
Q 
The brachial plexus exits the neck by passing between the \_\_\_\_ and \_\_\_\_
A) Levator Scapula/Middle Scalene
B) Middle Scalene/Sternocleidomastoid
C) Trapezius/Posterior Scalene
D) Middle Scalene/Anterior Scalene
A

D) Middle Scalene/Anterior Scalene

44
Q 
Which nerve travels through the carpal tunnel?
A) Radial
B) Median
C) Ulnar
D) Musculocutaneous
A

B) Median

45
Q 
The sciatic nerve usually exits the sciatic foramen \_\_\_\_\_ the piriformis muscle
A) Opposite to
B) Inferior to
C) Through
D) Superior to
A

B) Inferior to

46
Q 
Which nerve passes through the spiral groove of the humerus?
A) Axillary
B) Radial
C) Ulnar
D) Median
A

B) Radial

47
Q 
What is the most superficial meninx called?
A) Dura Mater
B) Periosteum
C) Arachnoid
D) Pia Mater
A

A) Dura Mater

48
Q 
What are the divisions of the cerebral hemispheres called?
A) Pia
B) Fissures
C) Sulci
D) Lobes
A

D) Lobes

49
Q 
Which term names the tapered inferior end of the spinal cord?
A) Peripheral nerves
B) Sacral nerves
C) Conus Medullaris
D) Cauda Equina
A

C) Conus Medullaris

50
Q 
Which nerve travels within the lateral compartment of the leg?
A) Common fibular
B) Deep fibular
C) Superficial Fibular
D) Tibial
A

C) Superficial Fibular

Anatomy (30 decks)

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