(A) This option provides adequate spacing of the medication and will limit the client's need to get up to go to the bathroom during the night hours, when he is especially at high risk for falls. (B) This option would result in the need to get up during the night to urinate and would thus increase the risk of falls. This option also does not take into consideration the client's usual daily routine. (C) Taking this medication with at least one glass of water would not have an impact on the risk of falls. (D) This option would result in the need to get up during the night to urinate and would thus increase the risk of falls.

(A) This statement is entirely false. (B) Phantom pain may be caused by nerves continuing to carry sensation to the brain even though the limb is removed. It is real, intense, and should be treated as ordinary pain would. (C) Although the cause of phantom pain is still unknown, thesemeasures may promote the relief of any type of pain, not just phantom pain. (D) Phantom pain is not caused by trauma, spasms, and edema and will not be relieved by decreasing edema.

Explanation
(A) There is no need to phone the physician because the lithium level is within therapeutic range and because there are no indications of toxicity present. (B) There is no reason to withhold the lithium because the blood level is within therapeutic range. Also, it is necessary to give the medication as scheduled to maintain adequate blood levels. (C) The lab results indicate that the client's lithium level is within therapeutic range (0.2-1.4 mEq/L), so the medication should be given as ordered. (D) Benztropine is an antiparkinsonism drug frequently given to counteractextrapyramidal symptoms associated with the administration of antipsychotic drugs (not lithium).

Explanation/Reference:
Explanation:
(A) Giving too high a concentration of O2 to a client with em-physema may remove his stimulus to breathe.
(B) The client should sit forward with his hands on his knees or an overbed table and with shoulders elevated. (C) Pursed-lip breathing helps the client to blow off CO2 and to keep air passages open. (D) Covering the face of a client extremely short of breath may cause anxiety and further increase dyspnea.