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Author Question: The exact cause of bipolar disorder has not been determined; however, for most patients: a. ... (Read 26 times)

mcmcdaniel

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on: Jul 19, 2018
The exact cause of bipolar disorder has not been determined; however, for most patients:
 
  a. several factors, including genetics, are implicated.
  b. brain structures were altered by stress early in life.
  c. excess sensitivity in dopamine receptors may trigger episodes.
  d. inadequate norepinephrine reuptake disturbs circadian rhythms.

Question 2

The nurse receives a laboratory report indicating a patient's serum level is 1 mEq/L. The patient's last dose of lithium was 8 hours ago. This result is:
 
  a. within therapeutic limits.
  b. below therapeutic limits.
  c. above therapeutic limits.
  d. invalid because of the time lapse since the last dose.


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Pswine

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Reply #1 on: Jul 19, 2018
Answer to Question 1

ANS: A
The best explanation at this time is that bipolar disorder is most likely caused by interplay of complex independent variables. Various theories implicate genetics, endocrine imbalance, environmental stressors, and neurotransmitter imbalances.

Answer to Question 2

ANS: A
Normal range for a blood sample taken 8 to 12 hours after the last dose of lithium is 0.4 to 1 mEq/L.


mcmcdaniel

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Reply 2 on: Jul 19, 2018
Excellent

chereeb

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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