PGY 300 RESPIRATORY EXAMINATION
TEST QUESTIONS ANSWERS ACCURATE
REVIEW SHEET GRADED A+
●● What are the functions of the respiratory system?
Answer: The primary functions include gas exchange (oxygen intake
and carbon dioxide removal), regulation of blood pH, and protection
against pathogens and irritants.
●● What are the types of cells in the respiratory system?
Answer: Key cell types include epithelial cells (for protection and
secretion), goblet cells (for mucus production), and alveolar cells (for
gas exchange).
●● What is high-flow pulmonary circulation?
Answer: High-flow pulmonary circulation refers to the rapid movement
of blood through the pulmonary arteries to the lungs for gas exchange.
●● What is low-pressure pulmonary circulation?
Answer: Low-pressure pulmonary circulation is characterized by lower
blood pressure in the pulmonary arteries compared to systemic
circulation, facilitating gas exchange without damaging the delicate lung
tissues.
, ●● What is gas diffusion?
Answer: Gas diffusion is the process by which gases move from areas of
higher concentration to areas of lower concentration across a membrane.
●● What are gas laws?
Answer: Gas laws describe the relationships between pressure, volume,
and temperature of gases, including Boyle's Law and Charles's Law.
●● What is atmospheric pressure?
Answer: Atmospheric pressure is the pressure exerted by the weight of
the atmosphere, typically measured at sea level as 760 mmHg.
●● What is water vapor pressure?
Answer: Water vapor pressure is the pressure exerted by water vapor in
the air, which varies with temperature and humidity.
●● What are partial pressures of gases?
Answer: Partial pressures are the pressures exerted by individual gases
in a mixture, contributing to the total pressure of the gas mixture.
●● What is the relationship between gas pressure and volume?
Answer: According to Boyle's Law, the pressure of a gas is inversely
proportional to its volume at constant temperature.
TEST QUESTIONS ANSWERS ACCURATE
REVIEW SHEET GRADED A+
●● What are the functions of the respiratory system?
Answer: The primary functions include gas exchange (oxygen intake
and carbon dioxide removal), regulation of blood pH, and protection
against pathogens and irritants.
●● What are the types of cells in the respiratory system?
Answer: Key cell types include epithelial cells (for protection and
secretion), goblet cells (for mucus production), and alveolar cells (for
gas exchange).
●● What is high-flow pulmonary circulation?
Answer: High-flow pulmonary circulation refers to the rapid movement
of blood through the pulmonary arteries to the lungs for gas exchange.
●● What is low-pressure pulmonary circulation?
Answer: Low-pressure pulmonary circulation is characterized by lower
blood pressure in the pulmonary arteries compared to systemic
circulation, facilitating gas exchange without damaging the delicate lung
tissues.
, ●● What is gas diffusion?
Answer: Gas diffusion is the process by which gases move from areas of
higher concentration to areas of lower concentration across a membrane.
●● What are gas laws?
Answer: Gas laws describe the relationships between pressure, volume,
and temperature of gases, including Boyle's Law and Charles's Law.
●● What is atmospheric pressure?
Answer: Atmospheric pressure is the pressure exerted by the weight of
the atmosphere, typically measured at sea level as 760 mmHg.
●● What is water vapor pressure?
Answer: Water vapor pressure is the pressure exerted by water vapor in
the air, which varies with temperature and humidity.
●● What are partial pressures of gases?
Answer: Partial pressures are the pressures exerted by individual gases
in a mixture, contributing to the total pressure of the gas mixture.
●● What is the relationship between gas pressure and volume?
Answer: According to Boyle's Law, the pressure of a gas is inversely
proportional to its volume at constant temperature.
