Explanation
(A) A chest tube extends from the pleural space to a collection device. The tube is placed below the surface of the saline so that air cannot enter the pleural space. (B) Fluid may enter the pleural space as a result of injury or disease. A chest tube may drain fluid from the pleural space, but the water seal is not involved in this. (C) Chest drainage should be measured, but the water seal is not involved in this. (D) Fluctuations in the tube in the water-sealed bottle will give an indication of respiratory effort, but that is not the purpose of the water seal.

Section: Questions Set G
Explanation:
(A) Digoxin should not be given to adults with an apical pulse < 60 bpm. (B) Digoxin should be given to children with an apical pulse > 100 bpm. With a pulse < 100 bpm, the medication should be withheld and the physician notified. (C) Prior to digoxin administration in both children and adults, an apical pulse should be taken for 1 full minute. Aside from the rate per minute, the nurse should note any sudden increase or decrease in heart rate, irregular rhythm, or regularization of a chronic irregular heart rhythm. (D) Early indications of digoxin toxicity, such as visual disturbances, occur rarely as initial signs in children.

Explanation
(A) When dealing with grief, siblings are usually most comfortable initially with open discussion. (B) Assuming different roles allows children to act out their feelings without fear of reprisals and to gain insight and control. (C) This method may be helpful, but having the child take an active part through role playing is more effective. (D) This technique may be helpful, but being an active participant through role playing is more effective.

Explanation
(A) Tachypnea is not a symptom. (B) Circumoral pallor is not a symptom. (C) Autonomic dysreflexia is an uninhibited and exaggerated reflex of the autonomic nervous system to stimulation, which results in vasoconstriction and elevated blood pressure. (D) Pallor and itching are not symptoms.

(A) Disapproving gives the impression that the nurse has a right to pass judgment on the client's thoughts, actions, or ideas. (B) Giving a broad opening gives the client encouragement to continue with verbalization. (C) Failing to acknowledge the client's feelings conveys a lack of understanding and empathy. (D) Changing the subject takes the conversation away from the client and is indicative of the nurse's anxiety or insensitivity.