Free NCLEX-RN Exam Braindumps (page: 13)

Page 13 of 431

The therapeutic blood-level range for lithium is:

  1. 0.25­1.0 mEq/L
  2. 0.5­1.5 mEq/L
  3. 1.0­2.0 mEq/L
  4. 2.0­2.5 mEq/L

Answer(s): B

Explanation:

(A) This range is too low to be therapeutic. (B) This is the therapeutic range for lithium. (C) This range is above the therapeutic level. (D) This range is toxic and may cause severe side effects.



The therapeutic blood-level range for lithium is:

  1. 0.25­1.0 mEq/L
  2. 0.5­1.5 mEq/L
  3. 1.0­2.0 mEq/L
  4. 2.0­2.5 mEq/L

Answer(s): B

Explanation:

(A) This range is too low to be therapeutic. (B) This is the therapeutic range for lithium. (C) This range is above the therapeutic level. (D) This range is toxic and may cause severe side effects.



A client with a diagnosis of C-4 injury has been stabilized and is ready for discharge. Because this client is at risk for autonomic dysreflexia, he and his family should be instructed to assess for and report:

  1. Dizziness and tachypnea
  2. Circumoral pallor and lightheadedness
  3. Headache and facial flushing
  4. Pallor and itching of the face and neck

Answer(s): C

Explanation:

(A) Tachypnea is not a symptom. (B) Circumoral pallor is not a symptom. (C) Autonomic dysreflexia is an uninhibited and exaggerated reflex of the autonomic nervous system to stimulation, which results in vasoconstriction and elevated blood pressure. (D) Pallor and itching are not symptoms.



A client with a diagnosis of C-4 injury has been stabilized and is ready for discharge. Because this client is at risk for autonomic dysreflexia, he and his family should be instructed to assess for and report:

  1. Dizziness and tachypnea
  2. Circumoral pallor and lightheadedness
  3. Headache and facial flushing
  4. Pallor and itching of the face and neck

Answer(s): C

Explanation:

(A) Tachypnea is not a symptom. (B) Circumoral pallor is not a symptom. (C) Autonomic dysreflexia is an uninhibited and exaggerated reflex of the autonomic nervous system to stimulation, which results in vasoconstriction and elevated blood pressure. (D) Pallor and itching are not symptoms.



Page 13 of 431



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