UPDATED Exam Questions and CORRECT
Answers
The circulatory system:
Arteries carry _____% of blood from heart to blood capillary.
Veins carry _____% of blood from blood capillary to heart.
Lymphatic system carries ____% of fluid from peripheral to heart. - CORRECT
ANSWER - 100
90
10
What is lymphatic fluid made of? - CORRECT ANSWER - Transparent fluid
Water, proteins, fat, waste, cells and particles (bacteria, cancer cells)
How many liters of lymphatic fluid is passes through circulatory system per day? - CORRECT
ANSWER - 2-3
The lymphatic system is a crucial component of the body's _________ and __________ systems
- CORRECT ANSWER - Circulatory, immune
*sanitation system
Primary functions of lymphatic system:
,Helps balance the body's ________
Protects the body from _________ - CORRECT ANSWER - Fluid
Infection
-gets rid of virus, bacteria, etc from the body
Superficial system:
Where does it drain from?
Where is it located? - CORRECT ANSWER - Drains the skin and subcutaneous tissue
Close to surface of skin; in the subcutaneous fatty tissue
Deep system:
Where does it drain lymph from?
Where is it located? - CORRECT ANSWER - Drains from muscle, tendon sheaths,
peripheral NS, periosteum, joints
Located by blood vessels
Is there lymphatics in the cornea of the eye, nails, hair, teeth, bone? - CORRECT
ANSWER - No
Is there lymphatics in the brain? - CORRECT ANSWER - Yes- protect against stroke and
other brain injuries
, 5 lymphatic system components - CORRECT ANSWER - - lymphatic vessels- cover
whole body; bring fluid back to heart; larger proximally
- lymph fluid- inside vessels
-lymph tissue/organs
-thoracic duct
-R lymphatic duct
Function of lymphatic vessels
What 3 things do the lymphatic vessel consist of? - CORRECT ANSWER - Absorb,
collect, and transport lymphatic fluid back into circulatory system
Initial lymphatics (lymph capillaries), precollectors, collectors
What is an important difference between lymphatic and venous systems? - CORRECT
ANSWER - What they can pass- large molecules can pass in lymphatic system, but not
venous system
Structure of initial lymphatics (lymphatic vessel) - CORRECT ANSWER - -tubular
protrusions with overlapping cellular walls
-anchoring filaments connect to cellular walls and surrounding connective tissue
How do the anchoring filaments work in initial lymphatics (lymphatic vessel)? - CORRECT
ANSWER - -tension (as fluid builds up) allows walls of initial lymphatics to open
-opening of walls allows larger molecules to enter lymphatic system- proteins, waste, etc
What do precollectors connect (lymphatic vessel)? - CORRECT ANSWER - Connects
initial lymphatics with collectors
-run vertically