CCRN Pulmonary Question Bank Questions and Answers Already Passed

CCRN Pulmonary Question Bank Questions and Answers Already Passed What will the possibility of fever have on an ABG? the pH will rise - the oxyhemoglobin curve will be shifted to the right What effect will the lack of icing an ABG have on the sample? it will invalidate the sample by causing the PaCO2 to rise approx 3-10 mmHg/hr,PaO2 & pH will decrease You are asked to draw an ABG. You prepare a glass syringe w/ heparin. What effect will too much heparin have on the sample? it will decrease the bicarb & the PaCO2 What effect will high friction from an ABG blood draw have on the gas results? It will decrease the PaO2 & PaCO2 Which of the following drugs are classified as a methylxanthine? a) morphine b) theophylline c) prednisone d) atropine theophylline Your pt was admitted 3 days ago for a tension pneumothorax. What is the potential imbalance that would be expected w/ this prolonged hypoxic state? a) hypochloremia b) resp alkalosis c) decreased bicarbonate levels d) hypokalemia hypochloremia - chronic respiratory acidosis; kidneys will retain bicarb (increase in bicarb levels) & decrease in chloride levels. a student nurse asks you to explain the concept of hypoxemia. Hypoxemia is best defined as a decrease in oxygen at a) the cellular level b) the alveolar level c) levels in venous blood d) levels in arterial blood d) levels in arterial blood Anatomic dead space is defined as a) conducting airway b) wasted ventilation c) end expiratory volume d) minute ventilation a) conducting airway (trachea, bronchi are ventilated, but perfusion [gas exchange] does not take place there. The cells that are responsible for forming a barrier for alveoli are: a) histocytes b) type II alveolar epithelial cells c) macrophages