Practice Mechanism Of Breathing (14.3) - Respiratory System

Practise this section

11 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
5 questions · about 3 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What happens to the diaphragm during inhalation?
Show hintHide hint
Think about how the diaphragm's movement changes the chest size.
Question 2.
What happens to air pressure in the lungs during exhalation?
Show hintHide hint
Consider what occurs as the chest cavity decreases.
3Question 3.
What happens to the diaphragm during inhalation?
- It relaxes
- It contracts
- It stays still
Show hintHide hint
Consider what the diaphragm's action needs to be to bring in air.
4Question 4.
True or False: Exhalation decreases lung pressure.
- True
- False
Show hintHide hint
Think about what occurs when the chest cavity gets smaller.
Question 5.
Given a scenario where a person is having difficulty inhaling, identify possible reasons and describe how the diaphragm may be functioning.
Show hintHide hint
Consider what could inhibit the diaphragm's function.
Question 6.
Illustrate how the mechanics of breathing can be affected in high altitudes.
Show hintHide hint
Think about how pressure differences affect breathing in various environments.

7 more questions in this section. Enroll free to practise them all.