Exam 1 Flashcards
Which part of the ear contains the tympanic membrane?
The middle ear
What is the function of the EAM?
Transmission of sound waves to the TM,
Protection of the TM,
A resonating cavity,
Which ossicle has a footplate that attaches to the oval window?
Stapes
Describe the features of the cone of light?
an especially taught portion of the tympanic membrane,
named after its reflective qualities off of the audiologists otoscope
Where is the tensor tympani muscle located?
Superior to the eustachian tube
What marks the entrance to the scala tympani of the cochlea?
the round window
What is the sense mechanism for hearing?
The Organ of Corti
The eustachian tube’s only functions are to supply oxygen to the middle ear and maintain equilibrium.
false
Boyle’s Law
As volume increases, pressure decreases by a
proportionate amount
Where is the site of the CO2 exchange?
Alveoli
What is the average lung capacity?
4-5L of air
Which lung is larger?
The right lung
How many lobes does the right lung have?
3
How many lobes does the left lung have?
2
What separates the lobes of the left lung?
The oblique fissure
What separates the lobes of the right lung?
The horizontal fissure and the oblique fissure
What is the purpose of pleurae?
Provide smooth surface for the lung-thorax linkage
Which are the true ribs?
ribs 1-7
Which are the false ribs?
8-10 ; join 7 indirectly through cartilage
Which are the floating ribs?
11 and 12
What structures make up the Pelvic Girdle?
Coxal bones, Ilium, Pubis, Pubic symphysis, Ischium
and the sacrum
What process is the diaphragm associated with?
Inspiration
What process is the Internal Oblique associated with?
Expiration
What process are the External Intercostals associated with?
Inspiration
