How many lobes does each lung have? The right lung has BLANK and the left lung has BLANK
3 and 2
Which of the following has the list of structures in correct order starting with the most superior structure and ending with the most inferior structure
Hyoid bone, thyroid cartilage, cricoid cartilage, C-shaped cartilage rings, carina
The role of surfactant is to
Reduce surface tension within the alveoli of the lungs allowing them to more easily expand
3/4 of a liter is equal to how many milliliters
750
The air pressure in the alveoli of the lungs is always less than the outside ambient air pressure true or false
False
Tidal volume (TV) = vital capacity - (inspiratory reserve) volume + (expiratory reserve) volume TRUE OR FALSE
True
The main stimulus for breathing comes from the peripheral chemo receptors in the carotid and aortic bodies that become active when low oxygen is detected true or false
False
During expiration the diaphragm is contracting true or false
False
What is the appropriate partial pressure of oxygen in your pulmonary artery's at rest
40mmhg
What is the partial pressure of oxygen in your pulmonary veins at rest
100mmHg
Most of the carbon dioxide transported through the blood is
Converted to bicarbonate ions
Hyperventilation will
Increase the pH by making less carbonic acid
A ventilation/perfusion (V/Q) ratio of less than one indicates in that region of the lung
There's more bloodflow than airflow
Pulmonary arterioles will tend to vasoconstrict when in regions of low oxygen true or false
True
Extra credit: clearly define the term tachypnea
Abnormal rapid breathing one example being pneumonia