VN17 Test 9

Question 1

What are Lymph Nodes?

Answer 1

Oval and bean shaped structures found along the length of lymphatics.
Also known as lymph glands.
They range in size from 1 to 25mm in length ( about 0.04 to 1 inch) , looking like small seeds or almonds

Question 2

What are the three regions of Lymph node aggregation in the body?

Answer 2

Groin, armpits, and the neck

Question 3

What are afferent lymphatic vessels?

Answer 3

Lymphatic vessels that enter the lymph node at various sites

Question 4

What are lymphatic sinuses?

Answer 4

Spaces between these groups of lymphatic tissue

Question 5

What do efferent vessels unite to form

Answer 5

to form lymphatic trunks

Question 6

What does the lumbar trunk do?

Answer 6

Drains lymph from the lower extremities , the walls and viscera of the pelvis , the kidney , and the adrenal glands , and most of the abdominal wall

Question 7

What does the Jugular trunk do?

Answer 7

Drains the head and the neck

Question 8

What does the thoracic trunk do?

Answer 8

Main collecting duct of the system and is also known as the left lymphatic duct , and the
right lymphatic duct

Question 9

Where does the thoracic duct empty all of its lymph into?

Answer 9

• Into the left subclavin vein
• The right lymphatic duct empties all of its lymph into the right subclavian vein

Question 10

Describe the thymus gland?

Answer 10

Bilobed mass of lymphatic tissue found in the mediastinum behind the sternum between the 2 lungs

Question 11

Where is the bulk of our lymphoid tissue located?

Answer 11

Lymph nodes

Question 12

Where are antibodies produced

Answer 12

In b lymphocytes

Question 13

Type of antibody found in exocrine gland secretions , nasal fluids ,
tears , gastric, and intestinal juice , bile , breast milk , and urine.

Answer 13

Immunoglobin A

Question 14

Immunoglobin D

Answer 14

Type of antibody found on the surface of B Lymphocytes

Question 15

Immunoglobin G

Answer 15

Type of antibody found in tissue fluids and plasma

Question 16

Immunoglobin E

Answer 16

Found in exocrine secretions that is associated w allergic reaction

Question 17

Develops in blood plasma as a response to bacteria or antigen in food

Answer 17

Immunoglobin M

Question 18

What is the job of killer T cells

Answer 18

Kill virus that invaded the body cells and cancerous body, cells , also involved in graft rejection

Question 19

What is interleukin - 2 responsible for

Answer 19

Stimulates proliferation of Tana B cells

Question 20

Where do efferent lymphocytes exit the lymph node

Answer 20

At the hilum , a slight depression on one side

Question 21

Efferent lymphatics unite to form how many lymphatic trunks

Answer 21

6.

Question 22

What do T cells bind to

Answer 22

Specific antigen presented by macrophages

Question 23

What are peyers patches

Answer 23

Groupings of lymphoid follicles in the mucous membrane that lines the small intestine

Question 24

What does the bronchomediastinal trunk drain?

Answer 24

Drains the thorax , lungs , heart , diaphragm , and rest of liver

Question 25

passage of digested food from digestive tract into the cardiovascular and lymphatic systems for distribution to the body’s cells.

Answer 25

Absorption

Question 26

physical movement or pushing of food along the digestive tract

Answer 26

Peristalsis

Question 27

elimination from the body of those substances that are indigestible and cannot be absorbed

Answer 27

Defecation

Question 28

breakdown of food by both mechanical and chemical mechanisms

Answer 28

Digestion

Question 29

Or alimentary canal , which is a long continuous tube that runs through the ventral cavity of the body & extends from the mouth to the anus.

Answer 29

GI tract

Question 30

What are tunics

Answer 30

Layers of the wall as of the alimentary canal that have similar arrangements of tissue layers

Question 31

What is the innermost layer of the alimentary canal?

Answer 31

— Tunica musosa

Question 32

What is vitamin B for

Answer 32

Muscle and nerve function and functions as a coenzyme in energy metabolism

Question 33

What is a uvula

Answer 33

Cone shaped muscular structure hanging from posterior border of soft palate

Question 34

How many incisors are there

Answer 34

8

Question 35

Hardest substance in body

Answer 35

Enamel

Question 36

Another name for swallowing

Answer 36

Degluition

Question 37

Describe the esophagus:

Answer 37

collapsible , muscular tube that is situated behind the trachea or windpipe

Question 38

Describe the pylorus:

Answer 38

narrow inferior region connnects with duodenum

Question 39

Describe the acini cells:

Answer 39

release a mixture of digestive enzymes called pancreatic juice

Question 40

Describe kupuffer cell

Answer 40

known as liver macrophage , converts ammonia from digested protein to harmless urea. & produces bile salts to emulsify fats

Question 41

first part of the small intestine?

Answer 41

Duodenum

Question 42

Chyme

Answer 42

Digested contents from small intestine

Question 43

the first part of the large intestine?

Answer 43

Cecum

Question 44

What does the liver do?

Answer 44

Excretes bile

Question 45

What is Vitamin A necessary for?

Answer 45

Vision , bone growth , maintenance of epithelial cells

Question 46

What is umami

Answer 46

Distinct flavor popular in Asian foods, detects MSG ( mono sodium glutamate)

Question 47

Describe the pariletal cells

Answer 47

secrete hydrochlorc acid , which activates the pepsinogen to become pepsin , the enzyme that begins to break down proteins.

Question 48

What is the gallbladder for?

Answer 48

Store and concentrate the bile until needed