Exam 3: BIOS255 / BIOS 255 (Latest
Update 2024 / 2025) Anatomy & Physiology III with Lab | Week 5 – 7 Exam Review | 100% Correct | Grade A - Chamberlain
Question:
Diaphragm
Answer:
Primary muscle of inspiration, contracting to enlarge the thoracic cavity during inhalation
Question:
Intercostal muscles
Answer:
Muscles aiding in airflow by expanding or contracting the ribcage
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Question:
Accessory muscles
Answer:
Muscles aiding in forced respiration, increasing thoracic volume
Question:
Valsalva maneuver
Answer:
Breathing technique to increase abdominal pressure for activities like childbirth or defecation
Question:
Pressure, Resistance, and Airflow
Answer:
Relationship between pressure, resistance, and airflow in the respiratory system
Question:
Boyle's Law
Answer:
Law stating that the pressure of a gas is inversely proportional to its volume
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Question:
Bronchodilation
Answer:
Increase in bronchiole diameter, stimulated by epinephrine and sympathetic nerves
Question:
Bronchoconstriction
Answer:
Decrease in bronchiole diameter, stimulated by parasympathetic nerves, histamine, cold air, and irritants
Question:
Pulmonary Compliance
Answer:
Lung's ability to expand and contract in response to pressure changes, influenced by elasticity and surfactant presence
Question:
Spirometry
Answer:
Measurement of pulmonary ventilation and lung volumes using a spirometer
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