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Anatomy > Final Exam: Nerve/Artery paths > Flashcards

Final Exam: Nerve/Artery paths Flashcards

1
Q

What does the genitofemoral supply and where is it found?

A
  • genital portion supplies the cremastor muscle, scrotum, and labia majora
  • femoral portion supplies skin over lateral part of femoral triangle
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2
Q

Sciatic nerve divides into what two branches?

A

common fibular nerve and tibial nerve

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3
Q

What muscle is innervated by common fibular?

A

short head of the biceps femoris

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4
Q

What does common fibular break off into?

A

superficial fibular nerve (lateral) and deep fibular nerve (anterior)

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5
Q

Where can you first find the femoral nerve?

A

lateral to psoas major

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6
Q

What nerves are medial and lateral to psoas major?

A 
medial = obturator
lateral = femoral
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7
Q

What does obturator nerve divide into?

A

anterior and posterior obturator nerves

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8
Q

Does the femoral nerve pass under or over inguinal ligament?

A

under

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9
Q

The saphenous nerve is a branch of what?

A

femoral nerve

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10
Q

Where does the sciatic divide? What does it divide into?

A

divides into tibial nerve and common fibular nerve usually in the popliteal fossa

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11
Q

Medial and lateral plantar nerves are branches off of what?

A

tibial nerve

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12
Q

What innervates the lateral lower leg?

A

superficial fibular nerve

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13
Q

What innervates the anterior lower leg?

A

deep fibular nerve

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14
Q

Branches from what two nerves make up the sural nerve?

A

common fibular and tibial nerves

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15
Q

What does the sural nerve innervate?

A

skin to posterior and lateral side of leg and lateral foot

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16
Q

Medial and lateral plantar nerves are branches of what nerve?

A

tibial nerve

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17
Q

What does the superior gluteal nerve innervate?

A

gluteus medius, minimus, and tensor fascia latae

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18
Q

What are the branches off of the celiac trunk?

A

common hepatic, left gastric, and splenic

19
Q

What supplies blood to the midgut?

A

superior mesenteric a.

20
Q

What does the splenic artery supply?

A

spleen, body of pancreas, greater and lesser curvatures of stomach

21
Q

What supplies blood to the liver and gallbladder?

A

hepatic artery (which bifurcates into right and left)

22
Q

What nerve stimulates the liver to produce bile?

A

vagus (because vagus does foregut, and liver is in foregut)

23
Q

What is the primary artery that supplies the stomach?

A

celiac a.

24
Q

T/F: The suprarenal arteries give blood supply to the kidneys.

A

false, they do adrenal gland while the renal arteries do the kidneys

25
Q

Discuss the path of the sciatic down to its ends.

A

1) sciatic -> common fibular and tibial nerves
2) common fibular -> superficial and deep fibular nerves
3) tibial -> medial and lateral plantar nerves

26
Q

What does the femoral artery branch off of?

A

external iliac

27
Q

What is the relationship of the femoral nerve, artery, and vein in the cadaver?

A

lateral to medial: nerve -> artery -> vein

28
Q

What does the femoral nerve branch into?

A

saphenous nerve and cutaneous branches

29
Q

Medial and lateral plantar ARTERIES are branches of what?

A

posterior tibial artery

30
Q

What artery do the medial and lateral circumflexes come off of?

A

deep femoral artery

31
Q

What does anterior tibial nerve become in the foot?

A

dorsalis pedis a.

32
Q

What innervates the anterior lower leg?

A

deep fibular nerve

33
Q

Discuss blood flow starting with common iliac.

A

1) common iliac -> external and internal iliac
2) external iliac -> femoral artery
3) femoral artery -> deep femoral a. and femoral a.
4) deep femoral -> medial/lateral circumflex
femoral artery -> popliteal a.
5) popliteal -> fibular a. and tibial a.
6) tibial -> ant. and post. tibial a.
7) ant. tibial a. -> dorsal pedis a.
post. tibial a. -> med/lat plantar a.

34
Q

What artery gives off genicular branches that anastemose to supply the knee?

A

popliteal a.

35
Q

Where does the external iliac artery become the femoral artery?

A

at the inguinal ligament

36
Q

What supplies the skin to the anterior and lateral thigh?

A

lateral cutaneous nerve to thigh (L2-3)

37
Q

What muscle does ilioinguinal and iliohypogastric pierce?

A

transverse abdominus

38
Q

Do ilioinguinal and iliohypogastric run anterior or posterior to quadratus lumborum?

A

anterior

39
Q

Pelvic splanchnic innervates what part of the gut?

A

hindgut (vagus does the fore and mid)

40
Q

What veins form the portal vein?

A

superior mesenteric and splenic veins

41
Q

Anterior lower leg is given blood supply by what?

A

anterior tibial a.

42
Q

Posterior lower leg is given blood supply by what?

A

posterior tibial a.

43
Q

Lateral lower leg is given blood supply by what?

A

fibular a.

44
Q

T/F: Fibular artery is a branch of anterior tibial a.

A

false, it’s posterior tibial a.

Anatomy (9 decks)

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