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NSG170 test 4: Thermoregulation & cellular regulation Practice Questions and Answers (100% Pass)
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NSG170 test 4: Thermoregulation & cellular regulation Practice Questions and Answers (100% Pass)
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©PREP4EXAMS @2024 [REAL EXAM DUMPS] Wednesday, July 17, 2024 1:27 AMNSG170 test 4: Thermoregulation & cellular regulation
Practice Questions and Answers (100% Pass)
Signs and symptoms of heat stroke - ✔️✔️Anxiety, confusion, body temperature above
40.6/105, tachycardia, tachypnea, hypotension, Na and K depletion
What can untreated heat stroke lead to? - ✔️✔️Cerebral edema (coma, seizures, delirium)
Signs and symptoms of heat exhaustion - ✔️✔️Headache, fatigue, weakness, sweating,
orthostatic hypotension, tachycardia, anxiety/confusion, body temp of 38.8/102
Heat exhaustion causes - ✔️✔️Low fluid intake, prolonged heat exposure, physical activity
Normal temperature range for the body - ✔️✔️36.2-37 or 97-100
Hyperthermia - ✔️✔️Body temperature above 37.6
Hyperpyxeria - ✔️✔️Extremely high body temperature
Hypothermia - ✔️✔️Body temperature below 36.2
Hypothalamus - ✔️✔️Part of the brain that regulates body temperature
Target body temperature - ✔️✔️37/98.6
Types of heat loss - ✔️✔️Radiation, conduction, convection, evaporation
Radiation - ✔️✔️Loss of body heat from the skin into the air
Conduction - ✔️✔️Direct transfer of heat from one surface to another
Convection - ✔️✔️Loss of heat through air currents
Factors that increase heat loss - ✔️✔️Vasodilation
What is the process of thermoregulation? - ✔️✔️A negative feedback loop that reverses or
opposes change in body temperature
Risk factors for impaired thermoregulation - ✔️✔️Age (infants and older adults),
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, ©PREP4EXAMS @2024 [REAL EXAM DUMPS] Wednesday, July 17, 2024 1:27 AM
Why are older adults at risk for impaired thermoregulation? - ✔️✔️Slower circulation, reduced
thermoregulatory function of the skin (less sweating), reduced heat production due to slower
metabolism
Fever causes - ✔️✔️Immune system's response to pyrogens causes the hypothalamus to raise
body temperature
Three physiological mechanisms that impact body temperature - ✔️✔️Excessive heat
production, inadequate ability to cool, hypothalamic regulator dysfunction
Accidental hypothermia - ✔️✔️caused by sudden immersion in cold water or prolonged
exposure to cold
Therapeutic hypothermia - ✔️✔️Used to slow metabolism and preserve ischemic tissue
Consequences of hyperthermia - ✔️✔️Sodium loss, dehydration, hypotension, decreased
cardiac output/cardiac failure, reduced perfusion, cerebral edema, central nervous system
degeneration, renal necrosis
Risk factors for impaired thermoregulation - ✔️✔️Homeless, low financial status, impaired
cognition, underlying conditions (heart failure, diabetes), genetics, outdoor occupations or
hobbies
Assessment for thermoregulation - ✔️✔️Vitals, especially temperature, LOC,
sweating/pallor/cyanosis, electrolyte panel, capillary refill
Primary prevention Thermoregulation - ✔️✔️Avoid exposure to temperature extremes,
appropriate clothing, physical activity, hydration
Nursing interventions for thermoregulation - ✔️✔️Monitor vitals, warm blankets, warm oral
fluids, warm iv fluids, heated humidified oxygen, cool water bath, cooling blankets, cool iv
fluids
Interrelated concepts for thermoregulation - ✔️✔️Infection, intracranial regulation, nutrition,
fluid and electrolytes, tissue integrity, perfusion
Primary prevention for cellular regulation - ✔️✔️Healthy diet, physical activity, smoking
cessation, avoiding excessive exposure to sunlight, prophylactic surgery
Secondary prevention for cellular regulation - ✔️✔️Mammogram, colonoscopy, prostate-
specific antigen, guaiac test for occult blood
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