Lymphatic System Flashcards Preview

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Flashcards in Lymphatic System Deck (40):
1

What are the functions of the lymphatics system?

Maintains fluid balance
Filtration
Phagocytosis
Production of lymphocytes
Production of antibodies
Fat absorption from the intestinal tract
Pathway for malignancy

2

What are the structures in the lymphatic system?

Lymph nodes
Collecting ducts
Lymph fluid- Lymphocytes
Spleen
Thymus
Tonsils
Adenoids
Peyer patches (small intestine)

3

Where does the right upper body drain?

right subclavian

4

What drains the majority of body's lymph?

thoracic duct via left subclavian

5

What is lymph movement dependent on?

venous system

6

Where are superficial nodes?

subcutaneous tissue

7

Where are deep nodes?

muscle fascia or within body cavity

8

Humoral immunity
Originate in bone marrow

B cells

9

Cell-mediated immunity
Originate in bone marrow and mature in thymus

T cells

10

Where is thymus located?

superior mediastinum, no function in adults life

11

What are tonsils composed into?

follicles and crypts, lymphoid tissues

12

What are pharyngeal tonsils?

adenoids

13

What are clusters of lymphoid cells in SI?

peyer patches

14

What do you inspect for lymph nodes?

Visible lymph nodes
Edema
Erythema
Red streaks
Skin lesions

15

What do you use to palpate lymph nodes?

2nd, 3rd, 4th finger pads

16

What do you note on PE?

Consistency
Mobility
Tenderness
Size
Warmth

17

How do you differientiate a cyst ?

will transilluminate

18

What divides A and P triangles of neck?

anterior border of SCM

19

What do you have pt do when examining tissue?

bend toward the side being examined - ease taut tissue

20

What is the head lymph PE?

Occipital Nodes base of skull
Postauricular nodes over mastoid process
Preauricular nodes in front of ears
Parotid and retropharyngeal nodes angle of mandible
Submandibular nodes mandible between angle and tip
Submental nodes behind mandible tip

21

What is the neck lymph PE?

Superficial cervical nodes at SCM
Posterior cervical nodes along anterior border trapezius
Cervical nodes deep to SCM
Supraclavicular nodes- angle formed by clavicle and SCM
Virchow nodes

22

What are the supraclavicular nodes called?

virchow

23

How do you examine axillary lymph nodes?

Pt sitting or laying
Support forearm with your contralateral arm
Examining hand-palm flat in axilla

24

How do you examine epitrochlear lymph nodes?

Hold pt’s wrist and relax elbow
Palpate groove in circular motion between triceps and biceps

25

What disease do you see epitrochlear lymph nodes?

hodgkin disease

26

How do you palpate inguinal lymph nodes?

Pt supine with knees slightly flexed
Superior superficial inguinal nodes closer to inguinal canals
Inferior superficial inguinal nodes deeper in the groin

27

Where does testes lymph drain?

abdomen

28

Where do penile and scrotal ssurfaces drain?

inguinal

29

Where do female internal genitals and pelvic drain?

pap aortic

30

What does lower vagina and vulva drain?

inguinal nodes

31

fixed hard and painless

malignancy

32

enlarged and tender

infection

33

palpable virchow

malignancy

34

slow enlarge over wks

benign

35

rapid enlarge w/o signs of infection

malignant

36

What is the onset of lymphedema?

gradual

37

An immune complex disease, Symptoms appear 7 to 10 days following use of a provoking substance, uticaria, lymphadenopathy, joint pain, fever

serum sickness

38

Occurs most frequently in adolescents and young adults — all races, Males are twice as likely as females to acquire, painless enlarged cervical , matted or rubbery

hodgkin's

39

What are risk factors for HIV?

Heterosexual contact with homosexual or bisexual men
Multiple and indiscriminate sexual contacts
IV drug use
Blood transfusion with infected blood or blood concentrates
Diagnosis of, or been treated for, hepatitis, TB, or an STI such as syphilis
Sexual activity with IV drug users

40

What is a shotty lymph node?

Nodes feel like BBs or buckshot.