NSG 300 TOPIC 7: NSG 300: TOPIC 7 Exam: 100% Verified Questions & Answers

hypoventilation (Ans- Alveolar ventilation inadequate to meet the body's oxygen demand or to eliminate sufficient carbon dioxide signs and symptoms of hypoventilation (Ans- mental status changes, dysrhythmias, and potential cardiac arrest Hyperventilation (Ans- Ventilation in excess of that required to eliminate carbon dioxide produced by cellular metabolism what can induce hyperventilation (Ans- Severe anxiety, infection, drugs, or an acid-base imbalance signs and symptoms of hyperventilation (Ans- rapid respirations, sighing breaths, numbness and tingling of hands/feet, light-headedness, and loss of consciousness Hypoxia (Ans- Inadequate tissue oxygenation at the cellular levelCauses of hypoxia include (Ans- (1) a decreased hemoglobin level and lowered oxygen-carrying capacity of the blood (2) a diminished concentration of inspired oxygen, which occurs at high altitudes (3) the inability of the tissues to extract oxygen from the blood, as with cyanide poisoning (4) decreased diffusion of oxygen from the alveoli to the blood, as in pneumonia (5) poor tissue perfusion with oxygenated blood, as with shock; and (6) impaired ventilation, as with multiple rib fractures or chest trauma