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Week 1 Exam 131
131
| Question | Answer |
|---|---|
| In the fetal heart, the foramen ovale allows blood to flow between which two structures? | right atrium to the left atrium |
| What is the name of the thin serous membrane that covers the inner layer of the thoracic wall | parietal pleura |
| How far is the diaphragm pulled down during tidal breathing? | 1 to 2 CM |
| What is your primary concern if you discover that a patient does not have a gag reflex? | fear of aspiration of bacteria or food |
| How would lung perfusion in a "Zone 1" area best be described? | reduced |
| The diaphragm is innervated by which of the following nerves? | phrenic |
| What is the major source of respiratory tract secretions in the normal lung? | vocal cord impairment or paralysis |
| What is the mediastinum? | structure separating the right and left thoracic cavities |
| What is the name given to the acute angle formed by the costal pleura joining the diaphragmatic pleura? | costophrenic angle |
| During which phase of fetal development do mature alveoli appear? | alveolar |
| The upper respiratory tract traditionally ends at what point? | inferior border of the larynx |
| At what point does the trachea branch into two mainstem bronchi? | carina |
| What is meant by "internal respiration"? | exchange of gases between the blood and the tissue |
| What is the space that separates the true vocal cords? | glottis |
| The pulmonary arterial circulation does? | delivers unoxygenated blood to the lungs and originates on the right side of the heart |
| By what mechanism does gas exchange across the lung occur? | simple diffusion |
| How does the body compensate for a pulmonary embolus that occludes a branch of the pulmonary artery? | increased bronchial arterial flow to the area |
| What is the function of the very small amount of pleural fluid that is found in the pleural space? | reduces friction |
| What factor contributes to increased likelihood of an upper airway obstruction in an infant compared to an adult? | tongue that is proportionally larger |
| What pulmonary disorder could lead to acute flattening of the diaphragm? | asthma |
| When a COPD patient leans forward braced in a tripod position, this lends particular advantage to which accessory muscle of inspiration? | pectoralis |
| What determines the airway diameter in the normal lung? | balance between sympathetic and parasympathetic tone |
| What is the lowest level on the spinal cord that an injury could cause diaphragmatic impairment or paralysis? | C3 |
| The nerves that innervate the diaphargm arise from which area? | Spinal nerves C3 to C5 |
Created by:
jseyfried
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