Lymphatic system

Question 1

Nonspecific Resistance (Innate Immunity)

Answer 1

Present at birth and includes defense
mechanisms that provide general protection
against invasion by a wide range of pathogens

Question 2

Immunity (Adaptive Immunity)

Answer 2

Involves activation of specific lymphocytes that
combat a particular pathogen or other foreign
substance

Question 3

The lymphatic system functions to:

Answer 3

1. Drain excess interstitial fluid
2. Transport dietary fats
3. Carries out immune responses

Question 4

Lymphatic vessels begin as____ which are____

Answer 4

lymphatic capillaries, which are closed on one end

Question 5

Lymphatic capillaries are located between cells of

Answer 5

Many tissues

Question 6

Lymphatic capillaries merge to form_____which have thin____ and many

Answer 6

-Lymphatic vessels
-which have thin
walls
- many valves

Question 7

The lymphatic vessels return
the lymph to the venous
system via two main channels:

Answer 7

-right lymphatic duct
- The
thoracic duct drains

Question 8

right lymphatic duct drainage

Answer 8

drains the right thorax, upper
limb, head and neck.

Question 9

The
thoracic duct drainage

Answer 9

drains all lymph
from the lower half of the
body.

Question 10

Formation and Flow of Lymph

Answer 10

Interstitial fluid—>lymphatic capillaries—>afferent lymph
vessels —>lymph nodes—>efferent lymphatic vessels—>lymph ducts—>subclavian veins

Question 11

Primary lymphatic organs are organs where immune
cells become immunocompetent. What are they?

Answer 11

Red bone marrow
* Thymus

Question 12

Red bone marrow produces

Answer 12

60–70% of
lymphocytes in human
adults.