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Questions and Answers
What is the primary site of heat loss in the body?
What is the primary site of heat loss in the body?
- Skin (correct)
- Muscles
- Brain
- Lungs
Which process involves the transfer of heat to another object during direct contact?
Which process involves the transfer of heat to another object during direct contact?
- Conduction (correct)
- Convection
- Evaporation
- Radiation
What is the term for a normal body temperature?
What is the term for a normal body temperature?
- Pyrexia
- Afebrile (correct)
- Hyperpyrexia
- Hyperthermia
Which condition requires the body to be cooled rapidly to prevent brain damage?
Which condition requires the body to be cooled rapidly to prevent brain damage?
Which population has a lower baseline body temperature on average?
Which population has a lower baseline body temperature on average?
What is the definition of Neurogenic Fever?
What is the definition of Neurogenic Fever?
What is the purpose of assessing a baseline temperature in all patients?
What is the purpose of assessing a baseline temperature in all patients?
What is the definition of Fever of Unknown Origin (FUO)?
What is the definition of Fever of Unknown Origin (FUO)?
Which condition does not lead to a change in the hypothalamic set point for body temperature regulation?
Which condition does not lead to a change in the hypothalamic set point for body temperature regulation?
What are potential complications of fever that are mentioned in the text?
What are potential complications of fever that are mentioned in the text?
What is the primary source of heat produced by various mechanisms in the body?
What is the primary source of heat produced by various mechanisms in the body?
When should vital signs be assessed based on the information provided?
When should vital signs be assessed based on the information provided?
What are the functions of the hypothalamus in body temperature regulation?
What are the functions of the hypothalamus in body temperature regulation?
What is the effect of contraction of pilomotor muscles (piloerection) on heat loss?
What is the effect of contraction of pilomotor muscles (piloerection) on heat loss?
What method is used to measure body temperature in the intracranial, intrathoracic, intra-abdominal, tympanic, and rectal areas?
What method is used to measure body temperature in the intracranial, intrathoracic, intra-abdominal, tympanic, and rectal areas?
What is the purpose of therapeutic hypothermia?
What is the purpose of therapeutic hypothermia?
What are the measures to lower body temperature in febrile clients?
What are the measures to lower body temperature in febrile clients?
What can increase the risk of hypothermia according to the text?
What can increase the risk of hypothermia according to the text?
Which physiologic response contributes to hypothermia?
Which physiologic response contributes to hypothermia?
When does accidental exposure hypothermia occur?
When does accidental exposure hypothermia occur?
What is the primary purpose of using hypothermia to improve outcomes after cardiac arrest?
What is the primary purpose of using hypothermia to improve outcomes after cardiac arrest?
Which of the following is a possible physical effect of hypothermia?
Which of the following is a possible physical effect of hypothermia?
How is rewarming typically carried out for a person experiencing hypothermia?
How is rewarming typically carried out for a person experiencing hypothermia?
Which type of thermometer uses infrared sensors to detect heat given off by the tympanic membrane?
Which type of thermometer uses infrared sensors to detect heat given off by the tympanic membrane?
What type of thermometers are battery operated and can measure oral, rectal, and axillary temperatures over a few seconds to 30 seconds?
What type of thermometers are battery operated and can measure oral, rectal, and axillary temperatures over a few seconds to 30 seconds?
What factors should a nurse consider when choosing the site to assess temperature?
What factors should a nurse consider when choosing the site to assess temperature?
Why should a nurse wait before taking an oral temperature if the patient has been consuming hot or cold foods or liquids?
Why should a nurse wait before taking an oral temperature if the patient has been consuming hot or cold foods or liquids?
What is the normal range for oral temperature?
What is the normal range for oral temperature?
What is the advantage of using a disposable single-use thermometer?
What is the advantage of using a disposable single-use thermometer?
How does a temporal artery thermometer measure body temperature?
How does a temporal artery thermometer measure body temperature?
What is the recommended method to assess temperature in newborns when oral or rectal sites are unavailable?
What is the recommended method to assess temperature in newborns when oral or rectal sites are unavailable?
Which method of temperature assessment should be avoided when accurate temperature measurement is required?
Which method of temperature assessment should be avoided when accurate temperature measurement is required?
Under what circumstances should the use of tympanic membrane temperature assessment be avoided?
Under what circumstances should the use of tympanic membrane temperature assessment be avoided?
Which site for assessing temperature is considered more accurate than axillary measurement?
Which site for assessing temperature is considered more accurate than axillary measurement?
What is the normal range for tympanic membrane temperature?
What is the normal range for tympanic membrane temperature?
Which site of temperature assessment is most commonly used in neonates?
Which site of temperature assessment is most commonly used in neonates?
Which method should be used to measure temperature on the right or left side of the forehead?
Which method should be used to measure temperature on the right or left side of the forehead?
What should be removed before measuring the temperature using the temporal artery method?
What should be removed before measuring the temperature using the temporal artery method?
Where should the probe be placed for axillary temperature measurement?
Where should the probe be placed for axillary temperature measurement?
Which site should not be used for temperature measurement if open lesions or abrasions are present?
Which site should not be used for temperature measurement if open lesions or abrasions are present?
Study Notes
Body Temperature Regulation
- Primary site of heat loss in the body: skin
- Conduction: process of transferring heat to another object during direct contact
- Normal body temperature: euthermia
- Hyperthermia: condition requiring rapid cooling to prevent brain damage
Body Temperature Assessment
- Baseline temperature: essential to assess in all patients to establish a reference point
- Fever of Unknown Origin (FUO): a fever exceeding 38.3°C (101°F) on at least three occasions over a period of three weeks
- Vital signs: should be assessed at least every 4 hours or as indicated by the patient's condition
Hypothalamus and Body Temperature
- Hypothalamus: regulates body temperature by acting as the thermostat of the body
- Functions of the hypothalamus in body temperature regulation: integrates information from thermoreceptors, sets the hypothalamic set point, and initiates responses to maintain homeostasis
Heat Loss Mechanisms
- Contraction of pilomotor muscles (piloerection): reduces heat loss by creating a layer of still air next to the skin
- Primary source of heat production in the body: metabolic processes in the liver and skeletal muscles
Thermometry
- Thermometers used to measure body temperature in various areas: intracranial, intrathoracic, intra-abdominal, tympanic, and rectal
- Infrared thermometers: use infrared sensors to detect heat given off by the tympanic membrane
- Digital thermometers: battery-operated, can measure oral, rectal, and axillary temperatures over a few seconds to 30 seconds
- Temporal artery thermometer: measures body temperature by detecting the heat emitted by the temporal artery
- Recommended method for assessing temperature in newborns when oral or rectal sites are unavailable: axillary measurement
Hypothermia
- Accidental exposure hypothermia: occurs when the body is exposed to cold temperatures unintentionally
- Risk factors for hypothermia: older adults, newborns, people with certain medical conditions, and those taking certain medications
- Physiologic response contributing to hypothermia: vasodilation
- Rewarming: typically carried out gradually to prevent complications
- Primary purpose of using hypothermia to improve outcomes after cardiac arrest: reduces metabolic rate and oxygen consumption
Thermometer Selection and Use
- Factors to consider when choosing a temperature measurement site: patient's age, medical condition, and the presence of any obstacles
- Oral temperature measurement: should be avoided after consuming hot or cold foods or liquids; wait at least 30 minutes before taking the temperature
- Normal range for oral temperature: 36.4°C to 37.4°C (97.5°F to 99.3°F)
- Advantage of using a disposable single-use thermometer: reduces the risk of cross-contamination
- Axillary temperature measurement: should be avoided when accurate temperature measurement is required; not as accurate as other methods
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Description
This quiz covers different types of thermometers used for measuring body temperature, including the temporal artery thermometer, disposable single-use thermometers, and Tempa-Dot. It also includes information on how to use each type of thermometer and factors that can affect their readings.
