Which statement is true about a descriptive study design?
a. It is not possible to operationally define variables in this type of study.
b. Sample selection and size cannot be controlled in descriptive studies.
c. This type of design is used to identify problems occurring in practice.
d. Variables may be manipulated to avoid bias in this type of study.
ANS: C
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The difference between the aseptic and terminal methods of sterilization is:
a. the aseptic method does not require boiling of the bottles. b. the terminal method requires boiling water to be added to the formula. c. the aseptic method requires a longer preparation time. d. the terminal method sterilizes the prepared formula at the same time it sterilizes the equipment.
A client diagnosed with open-angle glaucoma asks the nurse what that means. Which response by the nurse is appropriate?
A) "It is a rare type of glaucoma." B) "One of the first signs of it is pain behind the eyes." C) "It means that the condition occurs within days." D) "The eye cannot drain the fluid that it produces."
In searching database subject headings, you would use the ____________ technique to broaden the search by locating all records indexed to your search term plus any that include the term in a related, narrower category
a. exploding b. Boolean c. qualification d. nesting
A classic finding with angina is that it is relieved with rest or nitroglycerine
a. true b. false