Practical two

Question 1

alveoli

Answer 1

small sacs within the lungs

Question 2

carina

Answer 2

a cartilaginous ridge separating the left and right main bronchi

Question 3

cricoid cartilage

Answer 3

the only complete ring of cartilage around the trachea

Question 4

two parts of the lung

Answer 4

left and right

Question 5

right lung

Answer 5

3 lobes
-right superior
-right middle
-right inferior

Question 6

left lung

Answer 6

2 lobes
-left superior
-left inferior

Question 7

right stem bronchus

Answer 7

main branch off the trachea going to the right

Question 8

left stem bronchus

Answer 8

main branch off the trachea going to the left

Question 9

segmental bronchus

Answer 9

secondary, tertiary etc
come off main bronchi

Question 10

thyroid cartilage

Answer 10

largest of the nine cartilages that make up the laryngeal skeleton

Question 11

three layers of blood vessel (artery or vein)

Answer 11

tunica adventitia (externa)
tunica media
tunica intima

Question 12

tunica adventitia

Answer 12

superficial outermost layer, mostly collagen

Question 13

tunica media

Answer 13

generally smooth muscle, elastin, and collagen

Question 14

tunica intima

Answer 14

deepest layer lining the lumen can be epithelium or endothelium based upon vessel type

Question 15

basophil

Answer 15

bilobed nucleus, many darkpurple cytoplasmic granules

Question 16

eosinophil

Answer 16

bilobes nucleus, dark pink cytoplasmic granules

Question 17

lymphocyte

Answer 17

large spherical nucleus, thin margin of light blue cytoplasm

Question 18

monocyte

Answer 18

bean-shaped nucleus, cytoplasm is faint blue

Question 19

neutrophil

Answer 19

multilobes nucleus, pink and blue cytoplasmic granules

Question 20

four functions of the lymphatic system

Answer 20

-transports excess interstitial fluid back to the bloodstream
-maintains homeostasis of somatic cells
-route of lipid absorption from the small intestine
-provides immunological defenses