Extremities Part 3 (Lower Circulation & Nerves) Flashcards

Circulation

1
Q

The bifurcations of the abdominal aorta themselves bifurcate into what two arteries?

A

Internal iliac arteries
External iliac arteries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How does the blood flow in the upper limb mirror that of the lower limb?

A

-one main arterial vessel.
-that artery bifurcates at elbow or knee.
-arterial and venous arches occur in the hand and foot.
-both had superficial and deep networks of veins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What blood vessel is the main arterial supply of the lower extremity?

A

External iliac artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What structure marks the superior border of the femoral artery?

A

Inguinal ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the borders of the femoral triangle?

A

Inguinal ligament
Sartorius
Adductor longus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What makes up the floor of the femoral triangle?

A

Iliopsoas and pectineus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What artery supplies the hip joint and the posterior structures of the thigh?

A

Deep femoral artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the inferior border fo the femoral artery?

A

The hiatus of the adductor magnus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What major artery lies posterior to the knee?

A

Popliteal artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The popliteal artery bifurcates into what two arteries?

A

Anterior and posterior tibial arteries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What artery supplies the anterior compartment of the leg?

A

Anterior tibial artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What artery supplies the posterior compartment of the leg?

A

Posterior tibial artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What artery supplies the lateral compartment of the leg?

A

Fibular artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Of the three arteries supplying the compartments of the leg, which can be palpated for a pulse? Where can it be palpated?

A

Posterior tibial artery
-posterior to the medial malleolus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What artery can be palpated on the dorsum of the foot just lateral to the first metatarsal?

A

Dorsalis pedis artery
(dorsal pedal artery)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What superficial vein originates on the medial side of the ankle and extends from there along the medial surface of the lower extremity to the femoral triangle where it drains into the femoral vein?

A

Great saphenous vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What superficial vein extends from the lateral ankle to the popliteal region where it drains into the popliteal vein?

A

Small saphenous vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What deep veins of the leg run parallel to the main arteries in this region?

A

Anterior tibial veins
Posterior tibial veins
fibular veins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The anterior tibial vein and the posterior tibial vein converge to form what vein?

A

Popliteal vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is the proximal border of the popliteal vein?

A

The hiatus of the adductor magnus

21
Q

What vein extends from the hiatus of the adductor magnus to the inguinal ligament?

A

Femoral vein

22
Q

What vein extends from the inguinal ligament to the merger of the vein with the internal iliac vein?

A

External iliac vein

23
Q

What vein is formed by the convergence of the external and internal iliac veins?

A

Common iliac vein

24
Q

The lumbar plexus arises from the anterior rami of what spinal nerves?

25
Q

What is the main nerve of the posterior division of the lumbar plexus?

A

Femoral nerve

26
Q

What is the motor innervation of the femoral nerve?

A

Anterior thigh muscles

27
Q

What is the cutaneous innervation of the femoral nerve?

A

Anterior and inferomedial thigh
medial aspect of the leg

28
Q

What is the main nerve of the anterior division of the lumbar plexus?

A

Obturator nerve

29
Q

What is the motor innervation of the obturator nerve?

A

Medial thigh muscles

30
Q

What is the cutaneous innervation of the obturator nerve?

A

Superomedial skin of the thigh

31
Q

What other regions of the body do small branches of the lumbar plexus innervate?

A

Abdominal wall
The scrotum and the labia
Interior portions of the abdominal muscles

32
Q

The anterior rami of what spinal nerves form the sacral plexus?

33
Q

Nerves emerging from the sacral plexus innervate what portions of the body?

A

Gluteal region
pelvis
perineum
posterior thigh
almost all of the leg and foot

34
Q

What are the two main divisions of the sacral plexus?

A

Anterior
Posterior

35
Q

Nerves of the sacral plexus arising from the anterior division tend to innervate what muscles?

A

Muscles that flex (or plantar flex) parts of the lower limb

36
Q

Nerves of the sacral plexus arising from the posterior division tend to innervate what muscles?

A

Muscles that extends (or dorsiflex) part of the lower limb

37
Q

What is the largest and longest nerve in the body?

A

Sciatic nerve

38
Q

What nerve is formed from the anterior divisions of the sciatic nerve?

A

Tibial nerve

39
Q

What division of what nerve innervates the hamstrings?

A

Tibial division of the sciatic nerve

40
Q

Within the leg what nerve innervates the plantar flexos of the foot and the flexors of the toes?

A

Tibial nerve

41
Q

What is the cutaneous innervations of the tibial nerve?

A

Plantar surface of the foot

42
Q

What nerve is formed from the posterior division of the sciatic nerve?

A

Common fibular nerve

43
Q

What division of what nerve innervates the short head of the biceps femoris?

A

Common fibular division of the sciatic nerve

44
Q

What are the two main divisions of the common fibular nerve?

A

Deep fibular nerve
Superficial fibular nerve

45
Q

What is the motor innervation of the deep fibular nerve?

A

Anterior leg muscles
Muscles of the dorsum of the foot

46
Q

What is the cutaneous innervation of the deep fibular nerve?

A

Skin between the first and second toes on the dorsum of the foot

47
Q

What is the motor innervation of the superficial fibular nerve?

A

Muscles of the lateral compartment

48
Q

What is the cutaneous innervation of the superficial fibular nerve?

A

Anteroinferior part of the leg
Most of the dorsum of the foot