Anatomy Flashcards

0
Q

Immovable joints

A

Synarthroses/Fibrous

i.e. sutures, syndesmosis, gomphosis

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1
Q

Zones of Osteogenesis

A
Resting Zone
Zone of Proliferation
Zone of Hypertrophy
Zone of Calcification
Zone of Ossification
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2
Q

Freely movable joints

A

Diarthroses/Synovial

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3
Q

Slightly movable joints

A

Amphiarthroses/Cartilagenous

i.e. synchondrosis, symphysis

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4
Q

Plane joints

A

Sternoclavicular
Acromioclavicular
Carpals

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5
Q

Hinge joints

A

Elbow
Knee
Ankle

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6
Q

Pivot joints

A

Atlantoaxial

Radioulnar

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7
Q

Condyloid joints

A

Metacarpophalangeal (knuckle)

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8
Q

Ellipsoidal joint

A

Wrist

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9
Q

Saddle joint

A

Carpometacarpal of thumb

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10
Q

Ball and socket joint

A

Shoulder

Hip

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11
Q

Structures that pass through the quadrangular space

A

Axillary Nerve

Posterior Circumflex Humeral Vessels

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12
Q

Structure that passes through the triangular space

A

Circumflex Scapular Vessels

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13
Q

Main FLEXOR of the forearm

A

Brachialis

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14
Q

Main SUPINATOR of the forearm

A

Biceps Brachii

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15
Q

Main EXTENSOR of the forearm

A

Triceps Brachii

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16
Q

Forearm:

Superficial Group

A

Pronator Teres
Flexor Carpi Radialis
Palmaris Longus
Flexor Carpi Ulnaris

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17
Q

Forearm:

Intermediate Group

A

Flexor Digitorum Superficialis

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18
Q

Forearm:

Deep Group

A

Flexor Pollicis Longus

Flexor Digitorum Profundus

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19
Q

All muscles of the anterior compartment of the forearm are innervated by the median nerve EXCEPT:

A

Flexor Carpi Ulnaris

Flexor Digitorum Profundus (medial side)

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20
Q

Subsartorial Canal

A

Hunter’s Canal

Adductor Canal

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21
Q

Contents of the Cubital Fossa

A
Medial to Lateral:
Median Nerve
Brachial Artery
Biceps Brachii Tendon
Radial Nerve
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22
Q

All thenar muscles are innervated by the median nerve EXCEPT:

A

Adductor Pollicis (Ulnar Nerve)

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23
Q

The _________ is not inside the femoral sheath.

A

Femoral Nerve

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24
Q

Contents of the Adductor Canal

A

Femoral Artery
Femoral Vein
Saphenous Nerve
Nerve to Vastus Medialis

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25
Q

The Achilles Tendon is what type of tissue?

A

Dense Regular Connective Tissue

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26
Q

Unpaired Cranial Bones

A

Frontal
Occipital
Sphenoid
Ethmoid

PAIRED: Parietal and Temporal

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27
Q

Paired Facial Bones

A
Palatine
Lacrimal
Maxilla
Nasal
Inferior Nasal Concha
Zygomatic

UNPAIRED: Vomer and Mandible

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28
Q

Tendinous sheet covering the calvaria, suspect damage in cases of gaping wound

A

Galea Aponeurotica

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29
Q

Allows free movement of the scalp proper (skin, subcutaneous tissue, aponeurosis), contains EMISSARY VEINS which are danger sites for infection

A

Loose Connective Tissue

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30
Q

Paralysis Agitans

A

Parkinson’s Disease

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31
Q

Involuntary, irregular, jerking movement

A

Chorea (degeneration of striatal neurons, presents with dementia)

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32
Q

Large flailing movements due to damage to contralateral SUBTHALAMIC NUCLEUS

A

Hemiballismus

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33
Q

Structures that maybe affected in Cavernous Sinus Thrombosis

A

CN’s III, IV, VI
CN V (Ophthalmic and Maxillary Divisions)
Internal Carotid Artery

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34
Q

Muscles of Mastication:

Closes the jaw

A

Temporalis
Masseter
Medial Pterygoid

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35
Q

Muscles of Mastication:

Opens the jaw

A

Lateral Pterygoid

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36
Q

Tic Douloureux: episodes of sharp, stabbing pain that radiate over the areas innervated by sensory branches maxillary or mandibular divisions of CN V

A

Trigeminal Neuralgia

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37
Q

Innervation:

Muscles of Mastication

A

Trigeminal Nerve

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38
Q

Innervation:

Muscles of Facial Expression

A

Facial Nerve

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39
Q

Innervation:

Muscles of Deglutition

A

Glossopharyngeal Nerve

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40
Q

Innervation:

Muscles of Phonation

A

Vagus Nerve

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41
Q

Pharyngeal Arch Derivatives

A

muscles of MASTICATION: PA 1
muscles of FACIAL EXPRESSION: PA 2
muscles of DEGLUTITION: PA 3
muscles of PHONATION: PA 4,6

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42
Q

Lingual Papillae:

large and flat-topped, anterior to the terminal sulcus

A

Vallate

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43
Q

Lingual Papillae:

long and numerous, contains afferent nerve endings sensitive to touch

A

Filiform

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44
Q

Lingual Papillae:

mushroom-shaped, most numeroud at the APEX and SIDES

A

Fungiform

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45
Q

Lingual Papillae:

small lateral folds of the lingual mucosa, poorly developed

A

Foliate

46
Q

Innervation:

muscles of the TONGUE

A

Hypoglossal Nerve except for Palatoglossus (CN X)

47
Q

Innervation:

mucous membrane of the tongue

A

Anterior 2/3: CN V

Posterior 1/3: CN IX

48
Q

Innervation:

taste buds of the tongue

A

Anterior 2/3: CN VII

Posterior 1/3: CN IX

49
Q

Where does the spinal cord end at birth, at 6 months old and in adults?

A

L3, S1, L1 respectively

50
Q

Triangle of Auscultation

A

Latissimus Dorsi
Trapezius
Medial Border of Scapula

51
Q

Lumbar Triangle of Petit

A

External Oblique
Latissimus Dorsi
Iliac Crest

52
Q

Vertebral Level:
Hyoid Bone
Bifurcation of Common Carotid Artery

A

C3-C4

53
Q

Vertebral Level:
Thyroid Cartilage
Carotid Pulse

A

C5

54
Q

Vertebral Level:
Cricoid Cartilage
Start of Trachea and Esophagus

A

C6

55
Q

The only bone that does not articulate with another bone?

A

Hyoid

56
Q

Contents of the Carotid Sheath

A

Common and Internal Carotid Arteries
Internal Jugular Vein
Vagus Nerve

57
Q

Contents of the Carotid Triangle

A

Internal Carotid Artery
External Carotid Artery
Internal Jugular Vein

58
Q

Contents of the Muscular Triangle

A
Sternohyoid
Sternothyroid
Thyrohyoid
Thyroid
Parathyroids
Larynx
59
Q

A deep gash in the posterior triangle of the neck can cut the

A

External Jugular Vein and Subclavian Artery

These two vessels cross the supraclavicular/suboccipital triangle of neck.

60
Q

The Accessory Nerve crosses what triangle of the neck?

A

Occipital Triangle

61
Q

The first endocrine gland to develop (24 days after fertilization)

A

Thyroid Gland

62
Q

Forms the laryngeal prominence of the neck

A

Thyroid Cartilage

63
Q

All intrinsic muscles of the larynx are innervated by the inferior laryngeal nerve except

A

Cricothyroid (innervated by the external branch of the superior laryngeal nerve)

64
Q

The only muscle that ABDUCTS the vocal folds

A

Posterior Cricoarytenoid Muscle

65
Q

ADDUCT the vocal folds

A

Lateral Cricoarytenoid and Arytenoideus Muscles

66
Q

Relaxes the vocal folds

A

Thyroarytenoid Muscles

67
Q

Stretches and tenses the vocal folds

A

Crycoarytenoid

68
Q

Close the laryngeal aditus (sphincter function)

A

Transverse and Oblique Arytenoid Muscles

69
Q

Innervates the Thyrohyoid Membrane, sensory above vocal cord area

A

Internal Laryngeal Nerve

70
Q

Motor to muscles of phonation except cricothyroid, sensory below vocal cord area

A

Inferior/Recurrent Laryngeal Nerve

71
Q

Cutaneous branches of the cervical plexus

A
Lesser Occipital (C2)
Greater Auricular (C2 and C3)
Transverse Cutaneous (C2 and C3)
Supraclavicular (C3 and C4)
72
Q

Formed by fibers from the union of hypoglossal, C1, C2 and C3 nerves

A

Ansa Cervicalis (innervates the infrahyoid muscles)

73
Q

Zones of penetrating neck trauma:

Inferior border of the CRICOID cartilage

A

Zone I

Note: injuries to Zones I and III obstruct the airway and may have greater risk for morbidity and mortality

74
Q

Zones of penetrating neck trauma:

Above the level of the ANGLE OF THE MANDIBLE

A

Zone III

75
Q

Zones of penetrating neck trauma:

Extends from the cricoid cartilage to the level of the angle of the mandible

A

Zone II

Note: injury to this zone is most common but morbidity and mortality are lower because vascular damage may be controlled by direct pressure and structures involved are easily visualized

76
Q

Most commonly fractured ribs

A

Ribs 7-10

Note: lower rib fractures can potentially injure the diaphragm and cause hernia

77
Q

Weakest point of the rib

A

Anterior to the ANGLE

78
Q

Atypical ribs

A

Ribs 1, 2, 10, 11 and 12

79
Q

Atypical Cervical Vertebrae

A

C1, C2, C7

80
Q

A syndrome involving compression of the neurovascular bundle passing between the anterior scalene and middle scalene muscles.

A

Thoracic Outlet Syndrome

Structures involved:
Brachial Plexus
Subclavian Artery and Vein

81
Q

What is the last tissue layer that the needle must traverse in order to reach the accumulating blood in pericardiocentesis?

A

Parietal Pericardium

skin - fascia - rectus sheath - rectus abdominis - fibrous layer - serous layer (parietal pericardium)

83
Q

Muscles that depress the ribs

A

Serratus Posterior Inferior
Internal Intercostals
Transversus Thoracis

Mnemonic: “SIT”

84
Q

Supplies the left atrium and ventricle

A

Circumflex Branch of the Left Coronary Artery

85
Q

Supplies the interventricular septum and apex

A

Anterior Interventricular Branch of the Left Coronary Artery

LAD

86
Q

Supplies the right ventricle

A

Anterior Interventricular Artery and Marginal Branch of Right Coronary

87
Q

Supplies the right atrium

A

Right Coronary Artery

88
Q

Eparterial Bronchus

A

Right Superior Bronchus

89
Q

A foreign body is more likely to lodge in the RIGHT MAIN BRONCHUS because

A

It is SHORTER, WIDER and MORE VERTICAL

90
Q

Common locations of aspirated foreign body

A

Posterior Basal BPS: standing or sitting
Superior BPS: supine
Posterior BPS: lying on the right
Inferior Lingular BPS: lying on the left

91
Q

In doing thoracentesis, to avoid injury to intercostal nerve and vessels, the needle should be inserted

A

ABOVE the rib,

passing through the following structures:

skin - superficial fascia - external intercostal - inner intercostal - innermost intercostal - parietal pleura

92
Q

The superior vena cava drains into the right atrium at the level of

A

3rd right chondrosternal junction

93
Q

Level I LN

A

Mnemonic: “LAP”

Lateral/Humeral
Anterior/Pectoral
Posterior/Subscapular

94
Q

Level II LN

A

Central

Interpectoral (Rotter’s Nodes)

95
Q

Level III LN

A

Apical

96
Q

Most common site of axillary LN metastasis

A

Lateral/Humeral Nodes

97
Q

Inguinal Falx or Conjoint Tendon

A

Aponeurotic fibers of Internal Oblique and Transversus Abdominis

98
Q

Tenses the Linea Alba

A

Pyramidalis (not always present)

99
Q

Inguinal Triangle

A

Superior and lateral: Inferior Epigastric Artery
Inferior and lateral: Inguinal Ligament
Medial: Rectus Abdominis

100
Q

Inguinal Canal

A

Anterior: EO Aponeurosis
Posterior: Transversalis Fascia and Conjoint Tendon
Superior: IO and TA
Inferior: Inguinal Ligament

101
Q

Contents of the Inguinal Canal

A

Males: spermatic cord and ilioinguinal nerve

Females: round ligament and ilioinguinal nerve

102
Q

Cremater Muscle is derived from

A

Internal Oblique

103
Q

Average distance between external orifice of the nose and stomach

A

17.2 inches or 44 cm

Note: this is important in Sengstaken-Blakemore balloon insertion

24 inches: up to duodenum

104
Q

Stomach Bed

A
Left dome of the diaphragm
Spleen
Left kidney and suprarenal gland
Splenic artery
Pancreas
Transverse mesocolon and colon
105
Q

The head of the pancreas drains to the

A

SMA

Note: the rest drains to the splenic vein

106
Q

Accounts for most cases of extrahepatic biliary obstruction

A

Cancer of the head of pancreas

107
Q

The ligamentum teres (round ligament) and ligamentum venosum are remnants of

A

Umbilical vein and ductus venosus respectively

108
Q

Clamping of the hepatoduodenal ligament (which contains the hepatic artery and portal vein) to reduce hemorrhage during liver surgery

A

Pringle’s Maneuver

109
Q

Usual site for liver biopsy

A

Right 10th ICS MAL

110
Q

Triangle of Calot

A

superior: Liver
inferior: Cystic Duct
medial: Common Hepatic Duct

111
Q

In renal transplantation, which vessels are anastomosed?

A

Renal artery to the Internal Iliac artery

Renal vein to the External Iliac vein

112
Q

The Internal Carotid Artery is a derivative of

A

Distal part if the 3rd Aortic Arch

Note: proximal part forms the common carotid artery

113
Q

Serves as a landmark in doing pudendal block anesthesia

A

Ischial Spine