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Arousal accompanied by awareness of one's environment. In practice, consciousness is said to be present when a person is awake, alert, and oriented to his or her surroundings, i.e., where one is, who one is, what the date is. Alterations of consciousness are common. Sleep is an altered state of consciousness from which one can be easily aroused. Stupor and lethargy are conditions in which one's level of arousal is diminished. In coma, one cannot be aroused. Other alterations in consciousness occur in delirium, dementia, hallucinosis, or intoxication, when persons may be fully aroused but have impaired perceptions of themselves and their environment.
Venes, Donald, editor. "Consciousness." Taber's Medical Dictionary, 23rd ed., F.A. Davis Company, 2017. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/742291/all/levels_of_consciousness.
Consciousness. In: Venes D, ed. Taber's Medical Dictionary. 23rd ed. F.A. Davis Company; 2017. https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/742291/all/levels_of_consciousness. Accessed December 10, 2019.
Consciousness. (2017). In Venes, D. (Ed.), Taber's Medical Dictionary. Available from https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/742291/all/levels_of_consciousness
Consciousness [Internet]. In: Venes D, editors. Taber's Medical Dictionary. F.A. Davis Company; 2017. [cited 2019 December 10]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/742291/all/levels_of_consciousness.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - consciousness
ID - 742291
ED - Venes,Donald,
BT - Taber's Medical Dictionary
UR - https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/742291/all/levels_of_consciousness
PB - F.A. Davis Company
ET - 23
DB - Nursing Central
DP - Unbound Medicine