A nurse is teaching a new nursing graduate about the differentiations between the various levels of anxiety. The nurse should state that severe levels of anxiety result in what?
A) A heightened sense of awareness
B) Distorted sensory awareness
C) Mild forgetfulness
D) Impaired ability to concentrate
Ans: B
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In severe anxiety, perception becomes increasingly distorted, sensory input diminishes, and processing of sensory stimuli becomes scattered and disorganized.
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What needs to happen to the protein–drug complex for the drugs to reach the cells where the drug can act?
A) The protein–drug complex must break itself into smaller pieces to enter the capillaries. B) The binding site on the protein picks up a chemical to make it soluble in the serum. C) The drug must break away from the protein-binding site and float freely. D) The drug must be dissolved in the plasma so it can enter the capillaries and then the tissues.
When working with a patient with posttraumatic stress disorder who has frequent flashbacks as well as persistent symptoms of arousal, effective nursing interventions would include:
a. encouraging repression of memories associated with the traumatic event. b. explaining that physical symptoms are related to the psychological state. c. triggering flashbacks as a way to help the patient learn to cope with them. d. supporting "numbing" as a temporary way to manage intolerable feelings.
The nurse is caring for a client with questionable lice infestation. The nurse is using a bright light focused on an area of the head to confirm the presence of lice. In which manner is it easiest to differentiate nits from dandruff?
A) Nits are located near the scalp. B) Dandruff is throughout the hair. C) Nits are difficult to move from hair shafts. D) Dandruff looks white and flakey.
Select the true statement about the difference between antiseptics and disinfectants.
A. Antiseptics always have broad-spectrum activity, whereas disinfectants have narrow-spectrum activity. B. Antiseptics and disinfectant solutions differ in their antimicrobial potency, spectrum of activity, and duration of action. C. Antiseptics and disinfectants differ only in the chemical compounds present in their respective solutions. D. None of these are correct.