CVR 37 Veins and Lymphatics

Question 1

Main reasons for veins

Answer 1

bring blood back to heart

capacitance

sympathetic innervation

Question 2

Central venous pressure is measured with _____. CVP can change with ___,___,___.

Answer 2

right heart catheterizaino
posture
volume
heart function

Question 3

How can we investigate CVP

Answer 3

jugular venous pulsation

Doppler ultrasound IVC

Supine is 0-10 mmHg

Question 4

Why does JVC mirror RA

Answer 4

no valves

Question 5

Lymph from lower extremities empty into the _______ and then into venous system at the junction of the ________ and _______.
Lymph from the left side of the head, arm and chest into the _______.
Lymph from right side of head, arm and right thorax into right lymph duct and into the______ and ________.

Answer 5

thoracic duct
left internal jugular and subclavian veins

thoracic duct

right subclavian and right jugular vein

Question 6

Small lymph vessels are at the mercy of?

Answer 6

hydrostatic pressure (interstitial > lymph)

Moved by peristalsis and have valves like veins

Question 7

What is lymph made of?

Answer 7

PEC
protein
electrolytes
Cells