Physiology Test 4 Study Guide 2023.
Questions and Answers,100% CORRECT.
The respiratory system is a major source of loss of –
ANSWER Heat +
... [Show More] Moisture
The exchange between the atmosphere and the lungs is –
ANSWER Ventilation
The functions of the respiratory include –
ANSWER Homeostatic regulation of body pH
Protection from inhaled pathogens and irrants
Exchanging gases between atmosphere and blood
Terrestrial animals must have a respiratory surface which is –
ANSWER large, thin, moist, and protected from drying out
External Respiration
ANSWER Movement of gases between environment and body's cells
Complex respiratory systems require –
ANSWER Muscle-driven pump
Thin, moist exchange surface
In exchange between lung and blood –
ANSWER oxygen and carbon dioxide follow their partial pressure gradients
The primary difference between air flow in the respiratory system and blood flow in the circulatory system is air is –
ANSWER Compressible gas
If Volume of a gas DECREASES, the Pressure _______ -
ANSWER INCREASES
If Pressure of gas DECREASES, the Volume ________ -
ANSWER INCREASES
The type _____ Alveolar cells synthesize surfactant –
ANSWER II
Water vapor _______ the contribution of other gases to the total pressure. –
ANSWER DECREASES
If Pressure INCREASES, Volume ______ -
ANSWER DECREASES
_______ describes pressure volume relationships. –
ANSWER Boyle's Law
Partial Pressure –
ANSWER Pressure of a single gas in a mixture
Resistance to air flow is primarily influenced by –
ANSWER Diameter of the tubes through which the air is flowing
The type ____ Alveolar cells are the site of gas exchange in the lungs. –
ANSWER I
Surfactant –
ANSWER Aid lungs as they expand
_______ respiration is the intracellular reaction of oxygen with organic molecules to produce carbon dioxide, water, and energy in the form of ATP. –
ANSWER Cellular
When the chest Volume DECREASES, alveolar Pressure –
ANSWER RISES
The ideal gas equation –
ANSWER If the Volume of gas INCREASES, the Pressure DECREASES
Decreasing the oxygen partial pressure [Show Less]