What is apoptosis?
a. Normal mechanism for cells to self-destruct when growth is excessive
b. Antigrowth signal activated by the tumor-suppressor gene Rb
c. Mutation of cell growth stimulated by the TP53 gene
d. Transformation of cells from dysplasia to anaplasia
Answer: a. Normal mechanism for cells to self-destruct when growth is excessive
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A 58-year-old male patient with a 60 pack-year history of cigarette smoking and a history of heavy alcohol use has been diagnosed with laryngeal cancer following a physical examination and endoscopy
The patient has been scheduled for a partial laryngectomy and is highly anxious about the consequences of this surgery. What patient education should the nurse provide for this man? A) "Most people who have a partial laryngectomy find that their breathing, swallowing, and speech are unchanged." B) "After a partial laryngectomy, most patients work with a speech therapist and regain some of their ability to speak." C) "A partial laryngectomy has the advantage of having only a minimal effect on your speech." D) "Unfortunately, the nature of a partial laryngectomy means that you can no longer use your vocal cords."
The atelectasis associated with ARDS may be managed or reversed by the use of
A) 100% FIO2 for the first 7 to 10 days. B) low tidal volumes. C) positive end expiratory pressure (PEEP). D) chest tubes.
Servant leadership is
a. Descriptive b. Prescriptive c. Both descriptive and prescriptive d. Neither descriptive or prescriptive
The nurse is instructing a patient on the importance of eating foods rich in potassium while taking a diuretic that causes hypokalemia. Which diuretics do not require potassium supplements? Select all that apply.
A. Furosemide (Lasix) B. Chlorothiazide (Diuril) C. Amiloride (Midamor) D. Mannitol (Osmitrol) E. Spironolactone (Aldactone)