Lymphatic System

Question 1

Which of the following structures carry lymph into the node’s subscapular sinus, through the cortical sinus into the superficial cortex and paracortex?

Answer 1

AFFERENT LYMPHATIC VESSELS

Question 2

Which of the following vessels are characterized by the presence of valves?

Answer 2

LYMPHATICS AND VEINS

Question 3

Which of the following vessels are characterized by the presence of valves?

Answer 3

LYMPHATICS AND VEINS

Question 4

T cells are produced in the ____ and mature in the _____.

Answer 4

BONE MARROW, THYMUS

Question 5

Posterior 1/3 of the tongue drains into:

Answer 5

DEEP CERVICAL NODES

Question 6

When antigen recognition occurs by a lymphocyte, B cells are activated and migrate to which area of the lymph node?

Answer 6

GERMINAL CENTERS

Question 7

The lymph from the lower extremities drains into the:

Answer 7

JUNCTION OF THE LEFT INTERNAL JUGULAR AND SUBCLAVIAN VEINS

Question 8

Which of the following is NOT a function of spleen?

Answer 8

FORMING CRYPTS THAT TRAP BACTERIA

Functions:

Removal of old defective blood cells from blood

Storage of blood platelets

Storage of iron

Question 9

Which of the following tonsil(s) is/are coved by non keratinized stratified squamous epithelium?

Answer 9

LINGUAL AND PALATAL TONSILS

Question 10

Primary lymphatic organs
- resp. for generation and selection of lymphocytes

Answer 10

THYMUS AND BONE MARROW

Question 11

Secondary lymphatic organs

Answer 11

TONSILS
SPLEEN
LYMPH NODES
APPENDIX

Question 12

Parotid lymph nodes drains into the (efferent)

Answer 12

Deep cervical nodes

Question 13

Submandibular lymph nodes receive lymph from the:

Answer 13

Scalp
Nose
Adjacent cheek
Upper and lower lip ( sides )
Paranasal sinuses
Maxillary and Mandi teeth (except the mandi INSCISORS)
Anterior 2/3 of the tongue (except the tip)
Floor of the mouth

Question 14

Dominated by T cells

Answer 14

Paracortical region

Question 15

Source of plasma cells (secretes antibodies). Contains medullary sinuses

Answer 15

Inner medullary region

Question 16

Collects lymph from the right upper quadrant only and empties into the right venous angle

Answer 16

RIGHT LYMPHATIC DUCT

Question 17

Lies in the left hypochondriac region of the abdominal cavity between the fundus and diaphragm

Answer 17

Spleen

Question 18

Secondary immune system

Answer 18

Tonsils

Question 19

Located on the posterior wall of the nasopharynx.

Lining?

Answer 19

Adenoids (pharyngeal tonsil)

Ciliated pseudostratified columnar epi.

Question 20

Located on the posterateral walls of the throat.

Lining?

Answer 20

Palatine tonsils

Nonkerarinized stratified squamous epi.

Question 21

Smaller and more numerous. There are collection of lymphoid follicles on the posterior portion of the dorsum of the tongue

Lining?

Answer 21

Nonkerarinized stratified squamous epi.

Question 22

Three groups of tonsils

Answer 22

Waldeyer’s ring / Tonsillar ring

Question 23

Three groups of tonsils

Answer 23

Waldeyer’s ring / Tonsillar ring