Histology :)

Question 1

What is the normal Ph range for a person?

Answer 1

7 to 7.7

less or more than that is lethal (boi boi)

the main function of the lung is to get co2 out
as
co2 + h2o = h2co3 = h+ (acid) and hco3-

enzyme is carbonic anhydrase

Question 2

What is respiratory acidosis?

and alkalosis

Answer 2

Low PH (high co2) hypoventilation
high pco2
high hco3-

alkalosis
high ph (low co2) (basic) Hyperventilation (more o2 comes in less co2 goes out)
low Pco2 and hco3-

Question 3

what constitues the respiratory zone?

Answer 3

the respiratory bronchioles to the alveoli.

Question 4

what are clara cells ?

Answer 4

club cells found in bronchioles.
exocrine with short microcilli

secrete GAG’s and uteroglobin

detoxyfy harmful substances by using cyt p450 founed in their SER

can also act as a stem cell diffrentiationg into cilliated epithelium cell of the bronchioles

Question 5

What is the stem cell of alveoli?

Answer 5

type 2 pneumocytes are the stem cell of alveocytes

clara cells are the stem cells of pneumocytes