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lymphatic system
a&p test
24
Nursing
Graduate
10/21/2013

Additional Nursing Flashcards

 


 

Cards

Term
Lymph
Definition
interstitial fluid in the lymphatic vessels
Term
2 main functions of the lymphatic system?
Definition

1. maintain fluid balance in tissues

2. Defends against microorganisms and foreign substances

Term
4 lymphoid tissues and organs?
Definition

1. Lymph nodes

2. Tonsils

3. Spleen

4. Thymus

Term
Palatine tonsils
Definition
Either side of the posterior end of the oral cavity.
Term
Lingual Tonsils
Definition
Lie at the base of the tongue
Term
Pharyngeal Tonsils
Definition

Posterior wall of the nasopharynx

(adnodes)

Term
Medulla
Definition
inside
Term
Cortex
Definition
Outside
Term
Trabecula
Definition
dividing plates
Term

White pulp 

(in the spleen)

Definition

"fight" 

lymphocytes involved in immune fuctions

Term

Red pulp 

(in the spleen)

Definition

"clean"

disposing of worn-out RBC's and bloodborne pathogens

Term
Spleen
Definition
limited reservoir for blood
Term

Short answer on the test:

 

Why is the spleen different from other lymphatic organs?

Definition
The spleen the is the only lymph node that filters lymph as well as blood.
Term
Thymus
Definition
not a filter for lymph or blood makes T-cells
Term
Example of adaptive immunity?
Definition
chicken pox
Term
Example of Innate immunity
Definition
suckling in an infant
Term
Interferons
Definition

chemical mediators;

 

stimulates neighboring cells to produce proteins to prevent replication of viruses. 

Term
Chemotaxis
Definition
ability of white blood cells to move to tissues that release certain chemicals
Term
Phagocytosis
Definition
ingestion and destruction of materials performed on macrophages
Term
2 fuctions of Innate immunity?
Definition

Rapid response

No memory

Term
3 functions of Adaptive immunity
Definition

Antigen-specific

systemic

memory 

Term
b-cells
Definition

bone marrow 

(memory cells)

Term
T-cells
Definition

Thymus

(detect viruses)

Term
T supressor cells
Definition
Tells t-cells to stop
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