MSCI 520 Quiz 4: Respiratory Physiology (Liberty University)

In alveolar gaseous exchange, which of these gases is diffusionlimited? Nitrous oxide CO2 CO O2 4/28/23, 10:46 AM Quiz: Respiratory Physiology: MSCI520: Principles of Physiology I (D01) Qu 1 / 1 pts estion 2 In a patient with pneumonia and hypoxia, hypercapnia is always present due to a high solubility on CO2 in plasma. True False Qu 0 / 1 pts estion 3 Incorrect The oxygen saturation of hemoglobin will be significantly reduced by all of these these factors – high altitude, alcoholic ketoacidosis, methemoglobinemia, massive transfusion and increased levels of 2,3 BPG. True False Qu 1 / 1 pts estion 4 The R-R interval is commonly increased during inspiration due to increased venous return – a phenomenon called respiratory sinus arrhythmia. True False Q 1 / 1 pts uestion 5 4/28/23, 10:46 AM Quiz: Respiratory Physiology: MSCI520: Principles of Physiology I (D01) Smooth muscles are not present in this structure of the respiratory tree; Trachea Bronchi Alveolar sacs Respiratory bronchioles Qu 1 / 1 pts estion 6 Which of the following is the site of highest airway resistance? Trachea Largest bronchi Medium-sized bronchi Smallest bronchi Alveoli Qu 1 / 1 pts estion 7 Which volume remains in the lungs after a tidal volume (Vt) is expired? Tidal volume (Vt) Vital capacity (VC) Expiratory reserve volume (ERV)