BIOD 152 AP COMPREHENSIVE EXAM PREP QUESTIONS AND SOLUTIONS VERIFIED STUDY RESOURCE

BIOD 152 AP COMPREHENSIVE EXAM
PREP QUESTIONS AND SOLUTIONS
VERIFIED STUDY RESOURCE

●● Non-vital respiratory functions
Answer: Odor detection, speech production, and physical straining.


●● Epiglottis and glottis function
Answer: Route air and food properly, protecting the airway during
swallowing.


●● Primary muscles of inspiration
Answer: The diaphragm and external intercostal muscles.


●● Pleurae and pleural fluid function
Answer: Reduce friction and maintain a fluid bond to keep the lungs
expanded.


●● Conducting zone boundary
Answer: Extends from the nasal cavity to the terminal bronchioles.


●● Conducting zone functions

, Answer: Filters, warms, and humidifies incoming air.


●● Alveolar Type I cells
Answer: Squamous epithelial cells that facilitate rapid gas exchange.


●● Alveolar Type II cells
Answer: Cells that secrete surfactant to reduce surface tension and keep
alveoli open.


●● Alveolar macrophages
Answer: Immune cells that remove debris and pathogens from the
alveoli.


●● External respiration
Answer: Gas exchange between the alveoli and the pulmonary
capillaries.


●● Internal respiration
Answer: Gas exchange between systemic capillaries and tissue cells.


●● Three pressures in ventilation
Answer: Atmospheric pressure, intra-alveolar (intrapulmonary) pressure,
and intrapleural pressure.