actual study of exam 3

Question 1

what is the answer to #1?

Answer 1

artery

Question 2

what is the answer to #2?

Answer 2

vein

Question 3

what is the answer to #3?

Answer 3

capillary

Question 4

acts as a physical barrier between the external environment & the internal environment of the human body

Answer 4

skin

Question 5

compartments/layers that protect ocular, nasopharyngeal, respiratory, oral, gastrointestinal, and genitourinary mucosae. It provides defense against toxic agents that enter the body through the mucosal membrane. It comprises of epithelium covered by mucus.

Answer 5

mucous membranes

Question 6

controls the level of white blood cells, red blood cells (RBCs) & platelets (small cells that form blood clots). It screens the blood & removes any old or damaged RBCs.

Answer 6

spleen

Question 7

is responsible for producing & maturing lymphocytes, or immune cells. These include T-cells, a type of WBC that defends the body from infections.

Answer 7

thymus

Question 8

is the spongy tissue inside bones that produces RBCs, platelets & WBCs. Lymphocytes, a type of white blood cell, are produced in the bone marrow & play an important part in the body’s immune system.

Answer 8

bone marrow

Question 9

like lymph nodes they help filter out germs that enter through your nose or mouth to protect the rest of the body from infection.

Answer 9

tonsils

Question 10

the skin consists of 2 layers…

Answer 10

• epidermis
• dermis

Question 11

made of closely packed epithelial cells

Answer 11

epidermis

Question 12

made of dense, irregular connective tissue that houses blood vessels, hair follicles, sweat glands, and other structures.

Answer 12

dermis

Question 13

composed of keratinized, stratified squamous epithelium. It is made of 4-5 layers of epithelial cells, depending on its location in the body

Answer 13

epidermis

Question 14

protects the body from infectious disease. It is involved in tissue repair & protection against potential pathogens.

Answer 14

immune system

Question 15

filter substances that travel through the lymphatic fluid, & they contain lymphocytes (WBCs) that help the body fight infection & disease. There are hundreds of lymph nodes found throughout the body.

Answer 15

lymph nodes

Question 16

is present before any exposure to pathogens & is effective from the time of birth

Answer 16

innate immunity

Question 17

what features describes these?
- Barrier defenses
- Phagocytosis
- Inflammation
- Antimicrobial peptides
- Natural killer cells
- Clotting

Answer 17

innate immune response

Question 18

skin, epithelial linings, mucosal secretions

Answer 18

physical

Question 19

pH of bodily fluids, hormones, other soluble factors

Answer 19

chemical

Question 20

white blood cells that fight disease

Answer 20

cellular

Question 21

white blood cells that fight disease

Answer 21

white blood cells (WBC)

Question 22

engulf & destroy microbes

Answer 22

Neutrophils

Question 23

phagocytic cells

Answer 23

Macrophages

Question 24

discharge destructive enzymes

Answer 24

Eosinophils

Question 25

stimulate development of acquired immunity

Answer 25

Dendritic cells

Question 26

are small cell fragments that flow in the blood. When the skin is cut, they gather at the damaged site.

Answer 26

platelets (thrombocytes)