Chapter 18, 19, and 20 Flashcards

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1
Q

Reticular Activating System

A

Nerve cells within the brainstem that control consciousness

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2
Q

Altered Mental Status

A

Variation from normal function of the mind

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3
Q

Coma

A

An unconscious state in which a person does not respond to any stimulus, including pain

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4
Q

Neurological Deficit

A

Any deficiency in the nervous system’s functioning

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5
Q

Non-traumatic Brain Injury

A

A medical injury to the brain, such as a stroke, that is not caused by external trauma

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6
Q

Stroke

A

A sudden disruption in blood flow to the brain that results in brain cell damage

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7
Q

Hemorrhagic Stroke

A

A stroke caused by a rupture of a blood vessel in the brain

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8
Q

Transient Ischemic Attack (ITA)

A

Brief, intermittent episode with stroke-like symptoms that disappear within 24 hours. TIA’s are caused by an oxygen deficit in the brain tissue (Ischemia) and are often a precursor to a stroke

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9
Q

Seizure

A

A sudden and temporary alteration in the mental status caused by massive electrical discharge in a group of nerve cells in the brain

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10
Q

Convulsion

A

Generalized jerky muscle movements

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11
Q

Epilepsy

A

A medical disorder characterized by recurrent seizures

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12
Q

Status Epilepticus

A

A seizure lasting longer than 5 minutes or consecutive seizures with no period of responsiveness between them

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13
Q

Generalized tonic-clonic Seizure

A

A common type of seizure that produces unresponsiveness and generalized jerky muscle activity. AKA grand mal seizure

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14
Q

Aura

A

An unusual sensory sensation that may precede a seizure episode by hours or only a few seconds

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15
Q

Postictal State

A

The recovery period that follows the clonic phase of a generalized seizure In a postical state that patient commonly appears weak, exhausted, and disoriented and progressively improves

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16
Q

Syncope

A

A brief period of unresponsiveness caused by a lack of blood flow to the brain; fainting

17
Q

Diabetes Mellitus (DM)

A

A disease of altered relationships between glucose and insulin

18
Q

Glucose

A

A form of sugar that is the body’s basic source of energy

19
Q

Insulin

A

A hormone that promotes the movement of glucose from the blood to the cells

20
Q

Glucagon

A

A hormone that stimulates the liver to convert stored glycogen and other substances into glucose

21
Q

Hypoglycemia

A

Low blood glucose. A blood glucose level of 60 mg/dL with signs and symptoms of hypoglycemia or less than 50 mg/dL with or without signs and symptoms of hypoglycemia

22
Q

Hyperglycemia

A

High blood glucose. A blood glucose level of greater than 120 mg/dL

23
Q

Type 1 Diabetes

A

Condition in which the pancreas typically does not secrete insulin; insulin-dependent diabetes mellitus

24
Q

Type 2 Diabetes

A

Diabetes that can be regulated by diet, exercise, and drugs other than insulin; non-insulin dependent diabetes mellitus

25
Q

Diabetic Ketoacidosis (DKA)

A

Hyperglycemia with low-to-absent insulin level, resulting in dehydration and buildup of acid

26
Q

Hyperglycemic Hyperosmolar Nonketotic Syndrom (HHNS)

A

Hyperglycemia with some insulin, causing dehydration but no acid buildup

27
Q

Oral Glucose

A

A form of sugar often given as a gel, by mouth, the raise blood glucose levels