Blood Supply Of Lower Limb Flashcards

(50 cards)

1
Q

Most of the blood supply to the lower limb is carried in the ________ artery.
•This becomes the ____ artery as it enters the thigh by passing deep to the ______ at the groin.

A

external iliac

femoral

inguinal ligament

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2
Q

In the femoral triangle of the upper thigh, the femoral artery has a major branch; the ________ artery which supplies much of the thigh.

A

profunda femoris

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3
Q

The femoral artery leaves the femoral triangle and runs through the ______

then the femoral artery enters the ____ fossa by passing through the _____ muscle.

The name of the vessel then changes to the_____ artery.

A

adductor canal.

popliteal

adductor magnus

popliteal

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4
Q

Below the level of the knee joint, the popliteal artery divides into the ______ and _____ arteries.

A

anterior and posterior tibial

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5
Q

The anterior tibial artery

-enters the _____ compartment of the leg by passing between the ____ and ____ bones (above or below?) the interosseous membrane.

•It supplies the structures in the ____
compartment of the leg and continues onto the ______ of the foot as the ____ artery, which finally enters the ___ of the foot .

A

anterior

tibia and fibula

Above

anterior

dorsum

dorsalis pedis

sole

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6
Q

The posterior tibial artery continues through the shin, lying between the ___ and the deeper muscles and giving off the ____ artery, which enters the ____ compartment.
• It then enters the ____ of the foot by passing behind the ______

A

soleus

peroneal

lateral

sole

medial malleolus.

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7
Q

In the sole, the posterior tibial artery divides into the _____ and _______ arteries which anastomose with _____ and with the _______ artery to supply the (anterior or posterior ?) foot.

A

medial and lateral plantar

Each other

dorsalis pedis

Anterior

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8
Q

The veins of the lower limb drain (oxygenated or deoxygenated?) blood and return it to the heart.

They can be divided into two groups – ____ and ______:

A

deoxygenated

deep and superficial

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9
Q

Lower limb

Deep veins are located underneath the _____ of the lower limb, accompanying the _____

Superficial veins are found in the ________.

A

deep fascia

major arteries.

subcutaneous tissue

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10
Q

Superficial veins of lower limb eventually drain into the deep veins

T/F

A

T

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11
Q

both deep and superficial venous drainages of the lower limb anastomose through _______ veins.

A

perforating

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12
Q

Veins of both systems of the lower limb have few valves along their length.

T/F

A

F

Numerous

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13
Q

Deep veins of lower limb

The deep venous drainage system of the lower limb is located beneath the ________ of the lower limb.

A

deep fascia

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14
Q

Often, the artery and vein are located within the same vascular sheath

T/F

With reason

A

T

so that the arterial pulsations aid the venous return.

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15
Q

Anterior tibial vein:

Veins accompanying ______ arteries end in the ________ arch (_____ artery)

Venous arch continues as the anterior tibial vein

Finally joins with the posterior tibial vein to form _____ vein

A

dorsal metatarsal

dorsal venous

arcuate

popliteal

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16
Q

Posterior tibial vein:

_________ veins join to form ____ arch (continues as _____ vein)

This will join the _____ vein and continue as posterior tibial vein

This vein is joined by the _________ vein

A

Plantar metatarsal

plantar

lateral plantar

medial plantar

peroneal or fibular

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17
Q

Posterior tibial vein combines with the anterior tibial vein and continues as ______ vein

These veins receive many tributaries corresponding to the branches of the arteries of same name.

A

popliteal

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18
Q

Continuation of the popliteal vein is ????

A

Femoral vein

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19
Q

Femoral vein

Receives _______ vein and its tributaries
Many muscular veins form other tributaries of this vein

Continues as _______ vein

A

profunda femoris

external iliac

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20
Q

Factors responsible for venous return from lower limb

General factors :
•(positive or Negative?) intra thoracic pressure(_______ position ).
•The _____ of accompanying arteries.
•The valves allows the blood to flow in ____ direction only.
•The deep veins lie in the ______ compartment.
(____ position).

A

Negative; Recumbent

pulsations

upward

tight fascial ; upright

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21
Q

Factors responsible for venous return from lower limb

Local factors:

Muscular : When the limb is active, muscular contraction _____ the ___ veins and drives the blood in them _____.

Fascial : Tight sleeve of deep fascia makes the muscular compression of the veins _______ by limiting _______ of the muscles.

A

compresses

deep

upwards

much more effective

outward bulging

22
Q

Veins of lower limb are muscular

T/F

23
Q

Superficial veins of lower limb

-Lie in _____ fascia.
•Drain into ____ veins at their termination.
•Connect to deep veins through _____ veins.

A

superficial

deep

perforating

24
Q

Superficial Veins of lower limb include:

  • _________
  • ________________ vein.
  • __________________ vein
A

Dorsal Venous arch.

Great or long saphenous

Small or short saphenous

25
Dorsal venous arch Begins behind _____ of ____
heads of metatarsals
26
Small Saphenous vein •From plexus on (plantar or dorsum?) & (medial or lateral?) aspect of foot •Courses upwards (behind or infront of?) ________ to median line of calf, accompanied by ____ nerve •Empties into ______ vein • _____ valves, __ near termination •Communicates with ___ veins & with _______ vein
Dorsum Lateral behind lat malleolus sural popliteal 7-13; 1 deep; great saphenous
27
Great saphenous vein Longest vein •Continuation of (medial or lateral?) end of dorsal venous arch •This vein is a conjunction of the dorsal vein of the _______ and the _______ of the foot. •It travels up the leg, (anterior or posterior?) to the _________ ), and ascends all the way up the lower limb on the inner aspect of ______ and ______ •At the height of the upper thigh, it enters through the saphenous opening of the ____ and empties into the _____ vein.
Medial great toe dorsal venous arch Anterior medial malleolus leg and thigh. fascia lata; femoral
28
Small Saphenous Vein Bifurcates to drain into : •________ vein •_________ vein
Great saphenous Popliteal
29
VARICOSE VEIN: Varicose disease of the ____ veins of the lower limb is the most common chronic venous disease, affecting ___% of the adult population.
superficial 15
30
Primary varices generally result from _____ of the wall of the vein leading to (constricted or dilated?) , ____ vessels and incompetent venous _____. Secondary varices can develop from ______ of the deep veins with incompetence of the ____ veins. This causes a reversal of flow through the perforating veins. As the superficial veins dilate with increased volume, valve leaflets _____ and become _______.
degeneration Dilated tortuous valves chronic occlusion perforator separate; incompetent
31
Varicose veins are due to ______ valves within the _____ veins, with blood no longer passing from ______ to _____ veins. •The superficial veins become _____ and______ because blood can now flow from ___ to ____ veins.
incompetent perforating superficial to deep Tortuous and dilated deep to superficial
32
If valve incompetence is at sapheno-femoral junction, it is known as a ________.
saphena varix
33
DEEP VEIN THROMBOSES (DVT) Thromboses (blood clots) in the deep veins of the leg result from ____, the ____ or _____ of blood. •This can result from prolonged ____ or anatomic abnormalities such as ____ of the ____ fascia. * Thrombi from the legs can break off and travel to the heart and lungs, lodging in the pulmonary arterial tree as pulmonary ____. * Large clots can severely impair lung function and even cause death.
stasis slowing or pooling inactivity laxity crural emboli
34
Thrombophlebitis is the ______ of vein caused by ________.
inflammation thrombosis
35
Superficial inguinal Lymph nodes Exist in the _____ fascia of the _____ region. They can be ordered in 2 groups: upper and lower, resembling the letter “ ___ ”. The upper horizontal group includes _____ nodes, which are located (above or below?) the inguinal ligament.
superficial inguinal T 5 or 6 Below
36
The lateral members of upper group (2 or 3 nodes) of superficial inguinal lymph nodes receive afferent from: * _____ region. * (Upper or lower?) part of the (medial or lateral?) side of the thigh. * ______ and ____ of the abdominal wall below the _____ plane.
Gluteal Upper Lateral Flank and rear umbilical
37
The medial members of the upper group of superficial inguinal lymph nodes receive afferent from: •______ tissue of the ——— abdominal wall below the ____ •Penis consisting of ____ and ___ in male, ____ and _____ (above or below?) the hymen in female. •______ and (upper or lower?) part of the anal canal (above or below?) the pectinate line. •Few lymphatics from the _____ angle of uterus which accompany the _______________
Subcutaneous ; anterior ;umbilicus prepuce and scrotum vulva and vagina; Below Perineum; lower; below superolateral; round ligament of uterus.
38
The lower vertical group of superficial inguinal lymph nodes is composed of _______ nodes. They can be set along either side of the terminal part of _________ vein. They receive afferent from the skin and fasciae of the majority of the lower limb (great saphenous land), with the exception of ______, which drain into upper lateral group and the ______, which drain into ___ nodes.
4 or 5 great saphenous buttock short saphenous land popliteal
39
The efferents from all the superficial inguinal nodes pierce the _____ fascia and terminate into the _______ nodes.
cribriform deep inguinal
40
Deep lymph nodes of the lower limb _____ ______ _______
INGUINAL POPLITEAL ANTERIOR TIBIAL
41
Deep inguinal lymph nodes These are about ____ in number, and are located on the (medial or lateral?) side of the (upper or lower ?) part of the ____ vein in the femoral triangle. • The most proximal node of the group (gland of _____ or ______ ) is located in the femoral canal. These nodes receive afferents from: • (a) the _____ nodes, • (b)_______ nodes, • (c)__________, and • (d)________ of the lower limb accompanying femoral vessels.
4 to 5 Medial Upper femoral Cloquet or Rosenmuller superficial inguinal; popliteal; glans of penis/clitoris; deep lymphatics
42
Their efferent vessels from the deep inguinal lymph nodes drain into the ______ nodes after piercing the ______, which shuts the _____
external iliac femoral septum femoral ring.
43
Popliteal lymph nodes The popliteal lymph nodes (about _____ in number) are embedded in the ________ near the _______ of the ______ vein; The popliteal nodes receive afferents from: a) the land of _______ vein b) deep parts of the ___, running along the ____________ vessels, and the ____ joint.
3 to 6 popliteal pad of fat conclusion of the small saphenous small saphenous leg; anterior and posterior tibial ; knee
44
3 nodes are located between the popliteal artery and the oblique popliteal ligament. T/F
F | 1
45
The efferents from the popliteal nodes run along the ____ and _____ vessels to terminate into the _______ nodes.
popliteal and femoral deep inguinal
46
The popliteal lymph nodes are exceptional, meaning they are the only ______, which ___________________
deep nodes receive both the superficial and deep lymph vessels.
47
Anterior tibial lymph node The anterior tibial lymph node is seen along the (upper or lower?) part of _____ artery. When present, it gets the afferents from the _____ compartment of the leg, and its efferents enter the ______ nodes.
Upper anterior tibial anterior popliteal
48
The anterior tibial lymph node is an inconstant node T/F
T
49
The testicles follow a different lymphatic route and drain directly to the ______ nodes and therefore will rarely cause inguinal lymph node enlargement.
para aortic
50
Elephantiasis: The lymph vessels of the lower limb in many cases are _____, especially in the endemic regions, by the _____ parasites (_________). This causes enormous edema of the lower limb creating a clinical condition named elephantiasis. In this illness, there’s hypertrophy of the ______ and _____ to an uncommon percentage.
obstructed microfilarial Wuchereria bancrofti skin and subcutaneous tissue