Thermoregulation Flashcards

1
Q

Why babies more at risk

A

Increased surface area to body weight ratio

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2
Q

Non shivering chemical thermogenesis

A

Release of norepinephrine from sympathetic nervous system, leads to brown fat metabolism

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3
Q

Brown fat

A

Rich in mitochondria (energy), differentiates between 26-30 weeks
Between scapulae, along spinal column around neck, behind heart and great vessels, by the kidneys

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4
Q

Gluconeogenesis

A

Turns proteins and fats into glucose, happens once brown fat is used up

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5
Q

Conduction

A

Transfer of heat from warm surface to cold surface (2 objects touching)

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6
Q

Convection

A

Transfer of heat to colder air of the environment
Depends on air current velocity
(Drafty room)

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7
Q

Evaporation

A

Number on mode of heat loss for premies in first week
Transfer of heat through water loss
Thin stratum corneum in first week, keratinized by 1 week old in term babies
Wet baby

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8
Q

Radiation

A

Number one mode of heat loss for premies after first week
Transfer of heat between two objects that don’t touch
(Near a cold window)

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