A Triage Nurse in the ER Begins the Assessment of an Elderly

question 55

Multiple Choice

A triage nurse in the ER begins the assessment of an elderly patient complaining of bloody diarrhea and severe stomach cramps. The patient has a fever of 104oF as well, and is showing signs of dehydration. IV fluids are administered while further workup of the patient continues.
-Testing is performed on the specimen in the laboratory,including the Gram stain. This test separates bacteria into two broad classes: gram-positive and gram-negative. Which step in the staining process is the differential step,for it only acts upon one type of cell?

• A)Addition of Gram's iodine (mordant)
• B)Addition of crystal violet
• C)Decolorization with alcohol
• D)Addition of safranin (counterstain)

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Definitions:

Classical Conditioning

A learning process that occurs when two stimuli are repeatedly paired; a response that is at first elicited by the second stimulus is eventually elicited by the first stimulus alone.

Neutral Stimulus

A stimulus that initially produces no specific response other than focusing attention.

Respondent

A person who answers or responds to something, such as a questionnaire or survey.

Formal Operational

The stage of cognitive development, described by Piaget, occurring from around age 12 and beyond, characterized by the ability to think abstractly, logically, and systematically.