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OS 203 Samplex > 2nd exam > Flashcards

2nd exam Flashcards

1
Q

Father of archaic anatomy?

A

Galen

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2
Q

Father of modern anatomy?

A

Andreas Vesalius

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3
Q

Usual naming of body parts

a) superior to inferior
b) inferior to superior
c) distal to proximal
d) proximal to distal
A

proximal to distal

e.g. sternoclavicular ligament, coracobrachialis

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4
Q

Auto-regulation except

a) respiration
b) circulation
c) hematopoeisis
d) energy absorption
A

energy regulation

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5
Q

The following functions for shoulder flexion except:

a) deltoid
b) biceps
c) triceps
d) none of these
A

triceps

the question is weird daw

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6
Q

What type of movement involves rotating the shoulders medially towards the midsagittal plane?

a) flexion
b) extension
c) abduction
d) adduction
A

adduction

the question is weird daw

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7
Q

Innervation of teres major

A

lower subscapular nerve

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8
Q

The hip joint with the action of weight bearing exhibits this type of lever.

a) First
b) Second
c) Third
d) All of the above
A

First class lever

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9
Q

Yield to opposing forces is defined as:

a) load
b) stress
c) strain
d) NOTA
A

strain

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10
Q

What tissue has the highest energy absorption?

a) skin
b) muscle
c) bone
d) ligament
A

bone

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11
Q

Microtrauma of joints will cause the following except:

a) Capsulitis
b) Synovitis
c) Bursitis
d) Myositis
A

Myositis

because myositis is caused by over-use of muscles

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12
Q

State of formaldehyde at room temperature

a) Liquid
b) Solid
c) Gas
d) Plasma
A

gas

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13
Q

State of formalin at room temperature

a) Liquid
b) Solid
c) Gas
d) Plasma
A

liquid

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14
Q

This blade will fit Scalpel #3 except:

a) 10
b) 11
c) 15
d) 20
A

20

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15
Q

Which of the following are symptomatic of a preganglionic injury?

a) Negative for Tinne’s Test, Positive for Horner’s Test, Severe Pain in an Aneasthetic Part
b) Positive Horner’s Test, Positive Tinne’s Test, Hyperflexia
c) Absence in Horner’s Test, Negative in Tinne’s Test, Hyperflexia
d) Positive Horner’s Test, Negative Tinne’s Test, Hyperflexia
e) Absence in Horner’s Test, Positive in Tinne’s Test, Severe Pain in an Aneasthetic Part

A

a) Negative for Tinne’s Test, Positive for Horner’s Test, Severe Pain in an Aneasthetic Part

:)

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16
Q

Main flexor of the arm

A

brachialis

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17
Q

What is the primary supinator of the forearm?

a) pronator teres
b) pronator quadratus
c) supinator muscle
d) biceps brachii
A

biceps brachii

weird daw ata yung tanong

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18
Q

Winging of the scapula is indicative of which injury?

A

Long thoracic nerve (innervates the serratus anterior)

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19
Q

In an elderly patient suffering from degenerative vertebral disc disorder, which of the following types of structures will be involved?

a) spongy bone
b) compact bone
c) fibrocartilage 
d) hyaline cartilage
A

hyaline cartilage

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20
Q

Because one type of cartilage has a low coefficient of friction, it makes it an ideal tissue component of within what structure?

a) Intervertebral disc
b) Joint
c) Tendon
d) Ligament
A

joint

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21
Q

Structures found in the cartilage when the chondrocytes divide by mitosis.

a) Interterritorial matrix
b) Lacunae
c) Perichondrium
d) Isogenous groups
A

Isogenous groups

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22
Q

Children in impoverished areas rarely reach their full bone growth potential. This is due to deficiency in which substance?

A

vitamin D (needed for calcium absorption)

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23
Q

Water molecules within cartilage are held by electrostatic forces generated by what structures?

a) Type 2 collagen bundles
b) Lacunae
c) Isogenous groups
d) Proteoglycan aggregates
A

type 2 collagen bundles

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24
Q

The ability of cartilage to be compressed or deformed and still go back to its original shape is because of which property?

a) Hydration of ground substance
b) Elasticity of elastic fibers
c) Long-lasting collagen fibers
d) Mitotic activity of chondrocytes
A

Elasticity of elastic fibers

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25
Q

When cartilage breaks, what happens to the site of injury

a) Fracture healing
b) Formulation of granulation tissues
c) Endochondral ossification
A

Formulation of granulation tissues

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26
Q 
Which is responsible for the concentric arrangement of lamellae?
	a)
	b) hydroxyapatite crystals
	c) collagen synthesis
	d) arrangement of canals
A

collagen synthesis

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27
Q

Growth hormone affects skeletal growth because it affects which structure:

a) Compact bone
b) Bone marrow
c) Periosteum
d) Epiphyseal plate
A

Epiphyseal plate

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28
Q

Which double stranded polypeptide binds with F- Actin and lies on its groove?

a) Desmosine
b) Troponin
c) Tropomyosin
d) Myosin
A

Tropomyosin

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29
Q

The sheath of connective tissue covering a muscle fascicle:

a) Epimysium
b) Perimysium
c) Endomysium
d) Sarcolemma
A

perimysium

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30
Q

Characteristic unique to cardiac muscle?

a) Lack of t tubules
b) Striations
c) Single nucleus per cell
d) Branching
A

branching

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31
Q

Which is true for actin?

a) It is in the A band
b) It is connected to the M line
c) It has a globular head
A

it is in the a band

32
Q

What is the Sequence of depolarization after acetylcholine passes into the synaptic cleft?

A

Sarcolemma -> t-tubule -> terminal cisternae

33
Q

A sarcomere:

a) Is the equivalent of the mitochondrion in skeletal muscles
b) Is limited by two Z-lines
c) Has a central I-band with A-bands on either side and I-bands outer to it
d) Does not contract

A

is limited by two z-lines

34
Q

Tito Boy, your trustworthy carpenter, severed his right hand while making a doll house for his boss’ daughter’s friend’s younger sister’s doll. How much function is lost on Tito Boy’s (your trustworthy carpenter) right arm?

A

90% (of that arm’s functionality)

35
Q

What structure prevents anterior glenoid dislocation?

A

glenohumeral joint

36
Q

What muscle is used when we do push-ups?

a) pectoralis major
b) rhomboids
c) latissimus dorsi
d) supraspinatus
A

pectoralis major

37
Q

In case of a fracture in the surgical neck of the humerus, what structures may be injured?

A

axillary nerve

38
Q

An LU3 medical student complains of pain and point tenderness in the upper back above the scapular spine. This is fibromyalgia affecting the:

a) Upper trapezius
b) Levator scapulae
c) A or B
d) Neither A nor B
A

Upper trapezius

39
Q

A person injured his shoulder. He exhibited scapular winging when pushing off the wall. What nerve was injured?

A

Long thoracic nerve

40
Q

A tumor forms on the suprascapular notch of a patient. Which of the following happens?

a) Atrophy of the deltoid
b) Loss of ability to adduct arm
c) Loss of ability to retract scapula
d) Atrophy of the supraspinatus and infraspinatus

A

Atrophy of the supraspinatus and infraspinatus

41
Q

With the arm in neutral rotation, abduction of the shoulder is limited to 90 degrees due to the impingement of this structure to the acromion process.

a) lesser tubercle
b) greater tubercle
c) anatomical neck
d) surgical neck
A

greater tubercle

42
Q

. A man is stabbed by an ice pick on the anterior surface of his shoulder. He later complains of numbness in the lateral aspect of his forearm. What could have been injured?

a) Axillary Nerve
b) C7 Nerve Root
c) Ulnar Nerve
d) Musculocutaneous Nerve
A

Musculocutaneous Nerve

43
Q

Muscle important in wall climbing

A

Latissimus dorsi

44
Q

In the distal part of the arm, what structure passes through the brachioradialis and the brachialis?

a) Radial Nerve
b) Musculocutaneous Nerve
c) Medial Nerve
d) Ulnar Nerve
A

radial nerve

45
Q

This nerve passes the Cubital Fossa

a) Radial Nerve
b) Ulnar Nerve
c) Median Nerve
d) Masculocutaneous Nerve
A

Median nerve

46
Q

In the midshaft of the humerus, which structure is closest?

a) brachial artery
b) radial nerve
c) ulnar nerve
d) median nerve
A

radial nerve

47
Q

Which of the following will result from a mid-humeral fracture or injury?

a) brachialis muscle rupture
b) brachioradialis muscle rupture
c) median nerve damage
d) radial nerve damage
A

radial nerve damage

48
Q

The elbow carrying angle is determined by the

a) trochlear tilt
b) capitellar tilt
c) hip width
d) radial bow
A

trochlear tilt

49
Q

The lacertus fibrosus is an expanded attachment of the:

a) brachioradialis
b) brachialis
c) biceps brachii
d) pronator teres
A

biceps brachii

50
Q

All of these muscles are elbow flexors, except:

a) coracobrachialis
b) brachialis
c) biceps brachii
d) brachioradialis
A

coracobrachialis

51
Q

All of these muscles are innervated by the musculocutaneous nerve, except:

a) biceps brachii
b) brachioradialis
c) coracobrachialis
d) brachialis
A

brachioradialis

52
Q

The primary flexor of the forearm

A

brachialis

53
Q

acts as a supinator of the forearm

A

biceps brachii

54
Q

Volkmann’s ischemic contracture results from fibrosis of forearm volar muscles brought about by compression on:

a) Brachial artery
b) Radial artery
c) Ulnar artery
d) Common interosseous artery
A

brachial artery

55
Q

The deep brachial artery anastomoses with the

a) Suprascapular artery
b) Recurrent radial artery
c) Anterior ulnar recurrent artery
d) Posterior ulnar recurrent artery
A

recurrent radial artery

56
Q

What structure passes through the Arcade of Frohse?

A

radial nerve

57
Q

The posterior interosseous nerve is a continuous with what?

a) radial nerve
b) ulnar nerve
c) median nerve
A

radial nerve

58
Q

The posterior interosseous artery branches from what?

a) Radial artery
b) Ulnar artery
c) Radial recurrent artery
d) Posterior ulnar recurrent artery
A

ulnar artery

59
Q

The anterior interosseous artery branches from what?

a) Radial artery
b) Radial Recurrent artery
c) Ulnar artery
d) Dorsal Ulnar recurrent artery
A

ulnar artery

60
Q

Which forearm muscle acts exclusively on the elbow joint?

a) Pronator teres
b) Brachioradialis
c) Extensor carpi radialis longus
d) Extensor carpi radialis brevis
A

brachioradialis

61
Q

The medial border of the cubital fossa is the…

a) brachioradialis
b) pronator teres
c) supinator
d) palmaris longus
A

pronator teres

62
Q

The following describes red skeletal muscles?

a) low level of myoglobin
b) low level of mitochondria
c) low cytochrome
d) capable of rapid contraction
e) capable of sustained contraction
A

capable of sustained contraction

63
Q

De Quervain’s syndrome is characterized by pain and tenderness at the radial styloid. What structures are affected?

a) abductor pollicis longus and extensor pollicis brevis
b) extensor pollicis longus and extensor digiti minimi
c) extensor digitorum

A

abductor pollicis longus and extensor pollicis brevis

64
Q

Which carpal bones articulate with the distal radius?

a) triquetrum and pisiform
b) triquetrum and scaphoid
c) lunate and scaphoid
d) scaphoid and pisiform
A

lunate and scaphoid

65
Q

The test for pure radial sensory function

a) Tip of thumb
b) Tip of little finger
c) Dorsum of first web
d) Dorsal carpus
A

dorsum of first web

66
Q

The following structure passes through the carpal tunnel

a) Flexor carpi radialis
b) Flexor pollicis longus
c) Radial artery
d) Ulnar artery
A

flexp pollicis longus

67
Q

What structure passes through the Guyon canal?

a) Flexor carpi radialis
b) Flexor pollicis longus
c) Radial artery
d) Ulnar artery
A

Ulnar artery

68
Q

The patient has Saturday night palsy, which conditions will he have?

A

wrist drop

69
Q

Sensation in the thumb area is representative of which dermatome?

A

C6

70
Q 
Chronic carpal tunnel syndrome
	a) … PIP joints
	b)
	c) Atrophy of thenar muscles
	d) Atrophy of hypothenar muscles
A

Atrophy of thenar muscles

71
Q

Alterations of calcium are essential in the normal function of skeletal muscle. In the presence of high calcium

a) The binding site of myosin heads on actin are blocked by the troponin-tropomyosin complex
b) The troponin I is responsible of the interaction of actin and myosin
c) Binding of calcium to troponin c exposes the binding site of myosin on actin
d) NOTA

A

Binding of calcium to troponin c exposes the binding site of myosin on actin

72
Q

What causes the striations we see in skeletal muscles?

A

Different refractive indices of the components

73
Q

The release of synaptic transmitter by exocytosis is best prevented by

A

Disrupting snare protein function

74
Q

What is the order of energy transformation from action potential to muscle movement?

A

Electrical, chemical, mechanical

75
Q

Dystrophin is the protein missing in patients with muscle dystrophy, it is also important for SNARE proteins because of its role in

a) Muscle cell membrane and glycoproteins
b) Terminal cisternae

A

Muscle cell membrane and glycoproteins

76
Q

Increasing the frequency of muscle stimulation will result to?

a) Summation of action potential
b) Summation of contraction
c) Calcium ion accumulation

A

Summation of contraction

77
Q

Which of the following has a protruding spinous process?

a) C1
b) C3
c) C5
d) C7

A

C7

OS 203 Samplex (1 decks)

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