Physiology 1021 Study Guide - Midterm Guide: Tidal Volume, Blood Donation, Vital Capacity

• School: Western University
• Department: Physiology
• Course: Physiology 1021
• Professor: Tom Stavraky

Document Summary

Each of the questions or incomplete statements below is followed by five suggested answers or completions. One that is best in each case and blacken the appropriate space on the scantron sheet. During ventilation of the lungs (a) (b) (c) (d) (e) During quiet (non-forced) inhalation (a) (b) (c) (d) (e) Answer a the diaphragm contracts the volume of the lungs decreases the alveolar pressure increases the internal intercostal muscles contract the medulla activates the muscle of expiration. Which of the following will increase the compliance of the lungs? (a) (b) (c) (d) (e) Answer d increasing the elastic tissue content of the lungs increasing the surface tension in the lungs increasing the collagen content in the lungs increasing the release of surfactant both a and c are correct. Answer e increases the attractive forces between water molecules is secreted by pulmonary macrophages is only hydrophobic is produced after birth production is stimulated by deep breathing.