The Respiratory System

What is the direction of air during inhalation?

• nostrils, nasal cavity, pharynx, larynx, trachea, bronchus, bronchiole, alveolus.

• nostrils, nasal cavity, trachea, larynx, pharynx, bronchiole, bronchus, alveolus.

What is the average breathing rate of an adult at rest?

• 10-16 breath per minute

• 12-18 breath per minute

• 20-26 breath per minute

• 8-14 breath per minute

What is 8?

• larynx

• trachea

• pharynx

• Bronchus

What is the difference between the trachea and the oesophagus?

• The trachea carries food to the stomach, and the oesophagus carries air to the lungs.

• The trachea carries air to the lungs, while the oesophagus carries food and liquids to the stomach.

What is the function of the epiglottis?

• The epiglottis helps produce sound when we speak.

• The epiglottis prevents food and liquids from entering the trachea when swallowing.

How to provide an open airway for an unconscious casualty?

• Head tilt chin lift to open the airway

• Ignore them and wait for them to wake up on their own.

• Cover their nose and mouth to prevent them from inhaling anything harmful.

• Pour water on their face to help them breathe.

What is the definition of asphyxia?

• a disease that only affects the lungs and causes excessive coughing.

• a condition where there is too little oxygen in the blood and tissues

• when a person falls asleep due to extreme tiredness and cannot wake up

What are the causes of asphyxia?

• when the brain produces too much oxygen

• eating too much food

• Drinking too much water

• Suffocation

The brain or nerves that control respiration can be affected by:

• electrical injury

• hold your breath for too long

• eating spicy food

• poisoning

During exhalation, the amount of oxygen in the air is higher than the amount of carbon dioxide.

• True

• False