A client who has attempted to commit suicide in the past tells the nurse that he feels better since being prescribed an antidepressant medication. The nurse realizes the medication has done which of the following for the client?
1. Improved appetite
2. Improved sleep
3. Improved mood
4. Improved feelings of guilt
3. Improved mood
Rationale:
Antidepressants treat major depression by enhancing mood. Antidepressants are also prescribed to treat anxiety disorders. Recent studies link depression and anxiety to similar neurotransmitter dysfunction, and both seem to respond to treatment with antidepressant medications. An improvement in appetite and sleep might occur with antidepressant medication; however, the medication does not directly stimulate the appetite or cause sleep. Antidepressant medication is not known to improve feelings of guilt.
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Which of the following statements is true regarding a critique of qualitative research?
a. Because of the unique nature of the different types of qualitative research, it is necessary to critique each one according to a specific and distinctive plan. b. It is essentially personal opinion as to the strengths and weaknesses of a qualitative study, so it is much easier to critique this type of research. c. Putting the emphasis on the weaknesses of the study is common practice with critiquing qualitative research. d. When critiquing a qualitative study, you need to examine differences between the qualitative approaches.
The nurse is reading the chart of a child diagnosed with rheumatic fever. Which of the following diagnostic findings indicates this condition?
A) Low white blood cell (WBC) count B) Elevated erythrocyte sedimentation rate (ESR), commonly known as "sed rate" C) Negative C-reactive protein (CRP) D) Low antistreptolysin-O (ASO) titer
During cellular respiration, the blood
A) picks up oxygen and releases carbon dioxide in the lungs. B) cells reproduce. C) releases oxygen and picks up carbon dioxide. D) cells use sugar to break down oxygen.
Select the statement that is consistent with the mechanism of action of phenytoin (Dilantin) that helps decrease the occurrence of a seizure.
A. Phenytoin decreases the inhibitory effects of the inhibitory neurotransmitter gammaaminobutyric acid (GABA), which suppresses the excitability of epileptogenic neurons. B. Phenytoin decreases the inactivation of Na+ ion channels to decrease high-frequency firing of neurons and inhibition of Ca ++ ion channels. C. Phenytoin prolongs the inactivation period of sodium (Na+) channels in the nerve membrane, leading to a reduction in the generation of high-frequency repetitive firing of action potentials from neurons involved in initiating seizures. D. None of the above are correct.