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Medical Anatomy > Midterm Stickies > Flashcards

Midterm Stickies Flashcards

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USMLE® Step 1 flashcards
1
Q

Radial N. innervates

A

Brachioradialis & ECRL

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2
Q

Deep Radial N. innervates

A

ECRB & Supinator

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3
Q

Posterior Interosseous innervates

A

ED, EDM, ECU, APL, EPL, EPB, EI

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4
Q

Bile duct relationship with intestine

A

bile duct over 2nd part of duodenum

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5
Q

Lumbrical 1 & 2 innervation

A

median n.

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6
Q

FDP clinical significance?

A

Damage leads to inability to make circle

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7
Q

Subscapularis M.

A

I: Subscapular N. (upper & lower)
Action: Medial rotation & prevents anterior displacement of humerus

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8
Q

Pringle manoeuvre

A

Clamp hepatic A. & Portal V,

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9
Q

Most common female inguinal hernia

A

Indirect

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10
Q

SMA relationship with pancreas

A

SMA posterior to uncinate process

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11
Q

Gall stones most common obstructive location?

A

Common bile duct

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12
Q

Deep branch of ulnar innervates?

A

All intrinsic muscles, 3rd & 4th lumbrical, adductor pollicis

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13
Q

2 types of Meckel’s diverticulum

A
  1. Gastric mucosa 2. Pancreatic
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14
Q

Where does ascites fluid collect in a Pt lying supine?

A

Pouch of Morrison, a.k.a. hepataorenal recess

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15
Q

Biceps brachii reflex tests which nerve roots?

A

C5 & C6

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16
Q

Triceps reflex tests which nerve roots?

A

C7

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17
Q

Brachioradialis reflex tests which nerve roots?

A

C6

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18
Q

Depuytren’s contracture?

A

thickening of & contracture of palmar aponeurosis which may cause flexion of digits & make extension difficult

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19
Q

Swan-neck deformity?

A

Slight flexion of MCP joints; hyperextension of PIP joints & slight flexion of DIP joints

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20
Q

Positive Psoas Sign

A

Parietal peritoneum in iliac fossa irritated when psoas stretched; produces somatic pain from peritoneum

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21
Q

SMA

A

compression of 3rd part of duodenum; congenital: short suspensory ligament of duodenum; L. Renal V.

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22
Q

Klippel-Feil syndrome

A

Short neck, cervical vertebral bodies fused, Sx.: scoliosis, spina bifidia

23
Q

Lymph node over scapula spine?

A

Subscapular//Posterior

24
Q

External Intercostal M. deficient where

A

anteriorily

25
Q

Internal Intercostal M. deficient where

A

posteriorily

26
Q

Innermost Intercostal M. deficient where

A

anteriorily & posteriorily

27
Q

Parietal pleura A & I

A

A: Intercostal, internal thoracic, & musculophrenic
I: pain receptor -> intercostal n

28
Q

Mediastinal pleura & diaphragm

A

I: phrenic n.

29
Q

Intercostal V, A, N b/w?

A

Internal intercostal and innermost intercostal m.

30
Q

Where to palpate radial pulse?

A

Anterior forearm, lateral to FCR

31
Q

Ulnar n. pathway?

A

Canal of Guyon -> hypothenar

32
Q

Fracture of humerus on shaft near epicondyle damages which nerve?

A

Median N.

33
Q

Retroperitoneal structures

A 
Suprarenal (1)
Aorta (1)
Duodenum (2)
Pancreas (2)
Ureters (1)
Colon (2)
Kidney (1)
Esophagus (1)
Rectum (1)
34
Q

Axillary A. branches

A 
Superior 
Thoracoacromial a.
Lateral thoracic a..
Subscapular a.
Anterior humeral circumflex
Posterior humeral circumflex
35
Q

Somatic plexus consists of?

A

Ventral rami of spinal n.

36
Q

S. Epigastric A. branch of?

A

Internal thoracic a.

37
Q

Conjoint tendon formed by?

A

Lower part of transverse abdominus

Internal oblique M.

38
Q

Spermatic Cord contents?

A

3 arteries: testicular, ductus deferens, cremasteric
3 nerves: genital branch of genitofemoral, cremasteric, autonomics
3 others: ductus deferens, pampilliform plexus, lymphatics

39
Q

Describe Lesser Sac (Omental Bursa)?

A

Extension of peritoneal cavity posterior to stomach

  • Stomach perforations fills this space
  • Splenic vessels at risk
40
Q

Describe Omental foramen?

A

Opening into lesser sac from greater sac
aka Foramen of Winslow
near IVC

41
Q

Branches of Proper Hepatic A.?

A

L. Hepatic & R. Hepatic -> Cystic A.

42
Q

which layer of tissue is found immediately deep to the rectus abdominus muscle?

A

Transversalis Fascia

43
Q

Which layer of the abdominal wall gives rise to the cremasteric muscle?

A

Internal oblique muscles

44
Q

A male neonate was born with a large swelling of the proximal end of its umbilical cord. Examination of the swelling revealed coils of small bowel in the proximal part of the cord. Surgery was scheduled to place the bowel back in the abdominal cavity and repair the defect of the anterior abdominal wall. What is this condition?

A

Umbilical hernia

45
Q

What passes through the triangular interval?

A

Radial n. & Profundus Brachial a.
Inferiror: Teres major
Lateral: Long head of triceps

46
Q

What passes through the quadrangular space?

A

Axillary N. & Post circumflex humeral a.
above/superior: the subscapularis and teres minor.
below/inferior: the teres major
medially: the long head of the triceps brachii
laterally: the surgical neck of the humerus

47
Q

What passes through the triangular space?

A

Scapular circumflex vessels
Inferiror: Teres major
Lateral: Long head of triceps

48
Q

Blood supply to Ureter

A

Uteric branches of:

  1. Renal a.
  2. Ovarian a.
  3. Common Iliac
  4. S. Vesical a.
49
Q

Innervations of Ureter

A
  1. Renal plexus
  2. Aortic plexus
  3. S. & I. Hypogastric
50
Q

Renal plexus consists of?

A
  1. Sympathetics: T12 to L1 <- Least
  2. Parasympathetics: Vagus
  3. Visceral pain: T11 & T12
51
Q

Blood supply to Suprarenal?

A
  1. Superior: Inferior Phrenic a.
  2. Middle: Aorta
  3. Inferior: Renal a.
52
Q

Spermatic cord layers?

A
  1. Transversalis fascia -> Internal spermatic fascia
  2. Internal oblique m. -> Cremasteric fascia
  3. External oblique m. -> External spermatic fascia
53
Q

Sympathetics in Ab Viscera

A
  1. Greater (T5-T9) -> Coeliac -> Coeliac & Vagus _. Foregut
  2. Lesser (T10-T11) -> S. Mesenteric -> S. Mesenteric & Vagus -> Midgut
  3. Least (T12) -> Aorticorenal -> Renal & Vagus -> Urogenital & Suprarenal
  4. Lumbar (L1-L2) -> I. Mesenteric -> I. Mesenteric & S2-4 -> Hindgut
54
Q

Which vessel does not drain into the coronary sinus?

A

Anterior cardiac vein

Medical Anatomy (18 decks)

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