ACE YOUR ANATOMY AND PHYSIOLOGY WITH
THIS EXAM PACK .Mastering the Human Body: A
Comprehensive Anatomy and Physiology Exam
Overview
main functions of respiratory system
- Answer-
Extract Oxygen from atmosphere and transfer to the blood
- Excrete Water Vapour and CO2
- Ventilate Lungs
Inspired Air Components - Answer- O2 - 21%
N2 - 78%
CO2 - 0.04%
Water Vapour - Variable
Expired Air Components - Answer- O2 - 16%
N2 - 78%
CO2 - 4%
Water Vapour - Variable
Name the 4 sinuses - Answer- frontal, maxillary, ethmoidal, sphenoid
Function of the nose - Answer- Warms air we breathe in
Filters air
Humidification
1
, ANATOMY AND PYSIOLOGY EXAM PACK
How many tonsils do we have? - Answer- 5
What do tonsils do? - Answer- Positioned to participate in immune responses
Name the 3 parts of the Pharynx in order (top to bottom) - Answer- Nasopharynx
Oropharynx
Laryngopharynx
Functions of the pharynx - Answer- -passage for food
-passage for air
-sound production
- houses tonsils
How long is the Pharynx - Answer- 12 - 14 cm
Where does the pharynx extend from and to? - Answer- From behind nasal cavity to cricoid
cartilage of Larynx
Where do the Pharyngeal tonsils lie? - Answer- Upper part of the Nasopharynx
Where do the Palatine & Lingual Tonsils lie? - Answer- Oropharynx
What does the larynx connect? - Answer- laryngopharynx to trachea
What are the 3 single cartilages of the larynx? - Answer- Thyroid, Epiglottis & Cricoid
What is the paired cartilage of the Larynx called? - Answer- Arytenoid
2
, ANATOMY AND PYSIOLOGY EXAM PACK
Functions of the larynx? - Answer- -Production of Sound
- Protects Lower Respiratory Tract during Swallowing
- Provide passageway for air
- Continues process of humidifying, filtering & warming air
What is the epiglottis? - Answer- a flap that flips down to cover the entry to the trachea
during swallowing (leaf shaped)
What is the thyroid cartilage? - Answer- Forms anterior wall of Larynx & gives prominence
Connected to hyoid bone by Thryrohyoid membrane
Smaller space between Vocal Cords? - Answer- Higher Pitched
Larger space between vocal cords? - Answer- Lower Pitched
The space between the vocal cords is called the: - Answer- Glottis
structure of trachea - Answer- 10 - 11 cm long. Composed of 16 - 20 incomplete "C" shaped
rings of cartilage
What are cilia? - Answer- These are hair-like appendages which wave back and fourth
pushing along secretions or particles.
Where does the trachea end? - Answer- carina (T5)
functions of the trachea - Answer- Support and Patency
Mucociliary Escalator (Using Cilia)
Cough Reflex
3