Thorax
The primary muscle of respiration
Diaphragm
This muscle group assists the diaphragm during quiet inspiration
External intercostals
This muscle group assists the abdominals during force expiration
Internal intercostals
The most proximal point of the sternum is the ______
Manubrium
The most distal part of the sternum is the ______
xyphoid process
There are this many pairs of true ribs
7
How many pairs ribs are attached to a vertebrae?
12
There are ______ pairs of floating ribs
2
What does the head of a rib articulate with?
The middle layer that makes up the wall of the heart is called the ________
Myocardium
Locating this landmark is essential before performing CPR chest compressions
Xyphoid process
The upper portion of the heart is known as the _____
base
The lower portion of the heart is known as the ______
apex
When a heart valve fails to close, this condition is known as ________
regurgitation
When a heart valve fails to full open, this condition is known as ________
stenosis
How many pairs of ribs are known as false ribs?
5
papillary muscles
Costochondral
The space created for the heart by the anatomical structure of the left lung is known as the _______
Quiet expiration requires action by _____ muscles
zero
The depression between a lung’s apex and base where the bronchial and pulmonary arteries and veins enter and leave the lung is called the __________.
hilum
The anterior articulations of the thorax include the chondrosternal, interchondral, and __________ joints.
costochondral
The right lung has _____ lobes
3
The left lung has _____ lobes
2
A "rib out" injury is medically termed a ______ (2 words)