12R Lung Structure & Ventilation

Quiz
•
Biology
•
University
•
Hard
Mr A Lemin
Used 15+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is the correct order of structures through which air travels to get to the alveoli?
Bronchiole - Trachea - Bronchus - Alveolus
Trachea - Bronchus - Bronchiole - Alveolus
Trachea - Bronchiole - Bronchus - Alveolus
Bronchus - Trachea - Bronchiole - Alveolus
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What are the names of structures 1, 2 and 5? (Write your answer in this format: "Structure 1, Structure 2, Structure 5")
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
This flow chart shows the steps in inspiration. What is happening in steps 2 and 4?
2: External intercostals muscles relax, ribs lower
4: Pressure inside thoracic cavity is reduced
2: Internal intercostal muscles contract, ribs raise
4: Pressure inside the thoracic cavity is reduced
2: Internal intercostal muscles contract, ribs lower
4: Pressure inside the thoracic cavity is increased
2: External intercostal muscles contract, ribs raise
4: Pressure inside the thoracic cavity is reduced
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
This flow chart shows the stages in expiration. What is happening at stages 1 and 3?
1: Diaphragm contracts and moves upwards
3: Volume inside the chest decreases
1: Diaphragm relaxes and moves upwards
3: Volume inside the chest increases
1: Diaphragm relaxes and moves upwards
3: Volume inside the chest decreases
1: Diaphragm relaxes and flattens
3: Volume inside the chest decreases
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not an adaptation of alveoli?
Moist lining
Rings of chitin
Thin walls
Good blood supply
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does the alveoli having thin walls increase the efficiency of gas exchange?
More oxygen can diffuse into the blood
Diffusion distance is lower so diffusion happens more quickly
Walls of the alveoli are more permeable
Thin walls increase the surface area
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What two features of their respective gas exchange surfaces are not shared by mammals, insects and fish?
Specific mechanism to moisten surface
High surface area
Good blood supply
Specific mechanism to maintain a steep concentration gradient
8.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
In what structures within the lungs would we see ciliated epithelium?
Trachea
Bronchi
Small Bronchioles
Alveoli
Large Bronchioles
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