2nd exam Flashcards
1
Q
Father of archaic anatomy?
A
Galen
2
Q
Father of modern anatomy?
A
Andreas Vesalius
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
4
Q
Auto-regulation except
a) respiration b) circulation c) hematopoeisis d) energy absorption
A
energy regulation
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
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
7
Q
Innervation of teres major
A
lower subscapular nerve
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
9
Q
Yield to opposing forces is defined as:
a) load b) stress c) strain d) NOTA
A
strain
10
Q
What tissue has the highest energy absorption?
a) skin b) muscle c) bone d) ligament
A
bone
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
12
Q
State of formaldehyde at room temperature
a) Liquid b) Solid c) Gas d) Plasma
A
gas
13
Q
State of formalin at room temperature
a) Liquid b) Solid c) Gas d) Plasma
A
liquid
14
Q
This blade will fit Scalpel #3 except:
a) 10 b) 11 c) 15 d) 20
A
20
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
:)
16
Q
Main flexor of the arm
A
brachialis
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
18
Q
Winging of the scapula is indicative of which injury?
A
Long thoracic nerve (innervates the serratus anterior)
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
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
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
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)
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
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
25
When cartilage breaks, what happens to the site of injury
a) Fracture healing
b) Formulation of granulation tissues
c) Endochondral ossification
Formulation of granulation tissues
26
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Which is responsible for the concentric arrangement of lamellae?
a)
b) hydroxyapatite crystals
c) collagen synthesis
d) arrangement of canals
```
collagen synthesis
27
Growth hormone affects skeletal growth because it affects which structure:
a) Compact bone
b) Bone marrow
c) Periosteum
d) Epiphyseal plate
Epiphyseal plate
28
Which double stranded polypeptide binds with F- Actin and lies on its groove?
a) Desmosine
b) Troponin
c) Tropomyosin
d) Myosin
Tropomyosin
29
The sheath of connective tissue covering a muscle fascicle:
a) Epimysium
b) Perimysium
c) Endomysium
d) Sarcolemma
perimysium
30
Characteristic unique to cardiac muscle?
a) Lack of t tubules
b) Striations
c) Single nucleus per cell
d) Branching
branching
31
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
it is in the a band
32
What is the Sequence of depolarization after acetylcholine passes into the synaptic cleft?
Sarcolemma -> t-tubule -> terminal cisternae
33
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
is limited by two z-lines
34
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?
90% (of that arm's functionality)
35
What structure prevents anterior glenoid dislocation?
glenohumeral joint
36
What muscle is used when we do push-ups?
a) pectoralis major
b) rhomboids
c) latissimus dorsi
d) supraspinatus
pectoralis major
37
In case of a fracture in the surgical neck of the humerus, what structures may be injured?
axillary nerve
38
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
Upper trapezius
39
A person injured his shoulder. He exhibited scapular winging when pushing off the wall. What nerve was injured?
Long thoracic nerve
40
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
Atrophy of the supraspinatus and infraspinatus
41
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
greater tubercle
42
. 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
Musculocutaneous Nerve
43
Muscle important in wall climbing
Latissimus dorsi
44
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
radial nerve
45
This nerve passes the Cubital Fossa
a) Radial Nerve
b) Ulnar Nerve
c) Median Nerve
d) Masculocutaneous Nerve
Median nerve
46
In the midshaft of the humerus, which structure is closest?
a) brachial artery
b) radial nerve
c) ulnar nerve
d) median nerve
radial nerve
47
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
radial nerve damage
48
The elbow carrying angle is determined by the
a) trochlear tilt
b) capitellar tilt
c) hip width
d) radial bow
trochlear tilt
49
The lacertus fibrosus is an expanded attachment of the:
a) brachioradialis
b) brachialis
c) biceps brachii
d) pronator teres
biceps brachii
50
All of these muscles are elbow flexors, except:
a) coracobrachialis
b) brachialis
c) biceps brachii
d) brachioradialis
coracobrachialis
51
All of these muscles are innervated by the musculocutaneous nerve, except:
a) biceps brachii
b) brachioradialis
c) coracobrachialis
d) brachialis
brachioradialis
52
The primary flexor of the forearm
brachialis
53
acts as a supinator of the forearm
biceps brachii
54
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
brachial artery
55
The deep brachial artery anastomoses with the
a) Suprascapular artery
b) Recurrent radial artery
c) Anterior ulnar recurrent artery
d) Posterior ulnar recurrent artery
recurrent radial artery
56
What structure passes through the Arcade of Frohse?
radial nerve
57
The posterior interosseous nerve is a continuous with what?
a) radial nerve
b) ulnar nerve
c) median nerve
radial nerve
58
The posterior interosseous artery branches from what?
a) Radial artery
b) Ulnar artery
c) Radial recurrent artery
d) Posterior ulnar recurrent artery
ulnar artery
59
The anterior interosseous artery branches from what?
a) Radial artery
b) Radial Recurrent artery
c) Ulnar artery
d) Dorsal Ulnar recurrent artery
ulnar artery
60
Which forearm muscle acts exclusively on the elbow joint?
a) Pronator teres
b) Brachioradialis
c) Extensor carpi radialis longus
d) Extensor carpi radialis brevis
brachioradialis
61
The medial border of the cubital fossa is the...
a) brachioradialis
b) pronator teres
c) supinator
d) palmaris longus
pronator teres
62
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
capable of sustained contraction
63
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
abductor pollicis longus and extensor pollicis brevis
64
Which carpal bones articulate with the distal radius?
a) triquetrum and pisiform
b) triquetrum and scaphoid
c) lunate and scaphoid
d) scaphoid and pisiform
lunate and scaphoid
65
The test for pure radial sensory function
a) Tip of thumb
b) Tip of little finger
c) Dorsum of first web
d) Dorsal carpus
dorsum of first web
66
The following structure passes through the carpal tunnel
a) Flexor carpi radialis
b) Flexor pollicis longus
c) Radial artery
d) Ulnar artery
flexp pollicis longus
67
What structure passes through the Guyon canal?
a) Flexor carpi radialis
b) Flexor pollicis longus
c) Radial artery
d) Ulnar artery
Ulnar artery
68
The patient has Saturday night palsy, which conditions will he have?
wrist drop
69
Sensation in the thumb area is representative of which dermatome?
C6
70
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Chronic carpal tunnel syndrome
a) … PIP joints
b)
c) Atrophy of thenar muscles
d) Atrophy of hypothenar muscles
```
Atrophy of thenar muscles
71
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
Binding of calcium to troponin c exposes the binding site of myosin on actin
72
What causes the striations we see in skeletal muscles?
Different refractive indices of the components
73
The release of synaptic transmitter by exocytosis is best prevented by
Disrupting snare protein function
74
What is the order of energy transformation from action potential to muscle movement?
Electrical, chemical, mechanical
75
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
Muscle cell membrane and glycoproteins
76
Increasing the frequency of muscle stimulation will result to?
a) Summation of action potential
b) Summation of contraction
c) Calcium ion accumulation
Summation of contraction
77
Which of the following has a protruding spinous process?
a) C1
b) C3
c) C5
d) C7
C7
