Cheat Sheet Info (DAT BOOTCAMP)

Question 1

Function of nose?

Answer 1

filters, moistens, warms air

Question 2

Structure/function of pharynx?

Answer 2

throat; passage for food & air

Question 3

Dust and mucus are swept back by _______

Answer 3

Cilia

Question 4

Structure/function of Larynx?

Answer 4

Voice box; if non-gas enters the cough reflex activates

Question 5

Structure/function of Trachea?

Answer 5

epiglottis covers trachea during swallowing; contains C-shaped ringed cartilage covered by cilia and mucous cells

Question 6

Layout/set-up of bronchi & bronchioles?

Answer 6

Two bronchi, which enter the lungs and branch into narrower bronchioles

Question 7

Structure/function of alveoli?

Answer 7

small sacs at end of bronchioles surrounded by blood-carrying capillaries

Question 8

Gas exchange occurs in the alveoli between the circulatory system and the lungs via _______

Answer 8

Diffusion

Question 9

Alveoli is coated with _______ which _______ surface area

Answer 9

Surfactant; reduces

Question 10

In inhalation:

1. Diaphragm moves ________ (________)
2. Volume in lungs ________
3. Pressure inside of lungs _________
4. Air flows ______

Answer 10

1. Diaphragm moves DOWN (CONTRACTS)
2. Volume in lungs INCREASES
3. Pressure inside of lungs DECREASES
4. Air flows IN

Question 11

In Exhalation:

1. Diaphragm moves _________ (_______)
2. Volume in lungs _________
3. Pressure inside of lungs _________
4. Air rushes ______

Answer 11

1. Diaphragm moves UP (RELAXES)
2. Volume in lungs DECREASES
3. Pressure inside of lungs INCREASES
4. Air rushes OUT

Question 12

______ is more soluble in blood than O2

Answer 12

CO2

Question 13

Most CO2 in blood is transported as ________ (_________) in plasma

Answer 13

HCO3- (bicarbonate ion)

Question 14

The conversion of CO2 into HCO3- is catalyzed by the enzyme ________ _________ via the following reaction: CO2 + H2O <-> H2CO3 <-> H+ + HCO3-

Answer 14

carbonic anhydrase