Which of the following would be considered a mechanical defense mechanism?
A) Cast
B) Coughing
C) Clothing
D) Sunscreen
B
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Mechanical defense mechanisms are physical barriers that prevent microorganisms from gaining entry or expel microorganisms before they multiply. Examples are the skin and mucous membranes, physiologic reflexes (e.g., sneezing, coughing, vomiting), and macrophages. Casts, clothing, and sunscreen do not keep microorganisms from gaining entry to the body.
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Which classic sign of an acute myocardial infarction (AMI) can be absent in an older man with an AMI?
a. Vague complaints c. Crushing chest pain b. Epigastric burning d. Dyspnea and fati-gue
The population health nurse is researching the activities of Margaret Sanger for a school paper. The nurse should explain the actions of Ms. Sanger as combining social activism with nursing to her clients by:
1. Advocating for better care for the mentally ill. 2. Reducing rural childbirth morbidity and mortality rates. 3. Providing information about contraceptive services to women. 4. Providing education regarding improved nutrition for families.
The nurse is analyzing a research article. To determine if an integrative review was performed as part of the study, the nurse must understand that this type of review is what?
a. A summary of research studies on a focused topic that used a specific statistical methodology b. A synthesis of the research and theoretical literature on a specific area without a statistical analysis c. A synthesis of qualitative articles on a focused topic using a specific qualitative methodology d. A summary of articles in an attempt to develop a clinical practice statement or clinical guidelines
Care planning for a patient undergoing detoxification for both alcohol and sedative-hypnotics is based on the treatment principle that states that:
a. medications are used to treat symptoms as they appear. b. a cross-tolerant drug is used to gradually wean the patient. c. liver function is preserved best by avoiding detoxification drugs. d. forcing fluids is therapeutic since detoxification mainly occurs in the kidneys.