B260 Fundamentals exam with 100% correct solutions 2024

Oxygenation correct answers Ventilation correct answers process of getting O2 in and out of lungs Perfusion correct answers Getting oxygenated blood to tissue Diffusion correct answers Process of exchanging gas in the alveoli and capillaries of the body tissues. Intrapeular space is... correct answers negative and becomes more negative in order Stroke volume is affected by.... correct answers 1. preload 2. after load (resistance to left ventricle) 3. contractility Physiological factors affecting oxygenation correct answers 1. Decreased oxygen-carrying capacity (anemia) 2. Hypovolemia (dehydration and hemorrhage) 3. Decreased inspired oxygen concentration (high altitudes) 4. Increased metabolic rates (Fever) Factors affecting chest wall movement correct answers 1. Pregnancy 2. Kyphosis/Pectus excavatum 3. Trauma 4. Obesity 5. Trauma 6. Neuromuscular disease 7. CNS alterations 8. Chronic disease (COPD) Hypoventilation correct answers Respiration rate is low and depth is low CO2 is accumulating Hyperventilation correct answers Ventilation is in excess (removing too much CO2) Rate and depth are increased Which is NOT a cause for hyperventilation? Fever Atelectasis Drugs Anxiety correct answers Atelectasis Hypoventilation causes correct answers Atelectasis and collapsed alveoli