Body Temperature and Regulation in Nursing

These flashcards cover essential vocabulary related to body temperature regulation in nursing, aiding students in understanding terminology and concepts for their exam preparation.

Hypothalamus

A brain structure that regulates body temperature by controlling mechanisms of heat loss and production.

Vasoconstriction

The narrowing of blood vessels to reduce blood flow and conserve body heat.

Pyrexia

An elevation in body temperature; generally known as fever.

Poikilothermia

The inability to regulate body temperature, often seen in individuals with spinal cord injuries.

Circadian Rhythm

The natural internal process that regulates the sleep-wake cycle and other physiological processes, including body temperature.

Evaporation

The process of heat loss from the body via the transformation of sweat from liquid to gas.

Hormonal Fluctuation

Variations in hormone levels, such as progesterone in women, that can lead to changes in body temperature.

Diaphoresis

Visible perspiration, which is an important mechanism for regulating body temperature.

Sympathetic Nervous System

Part of the autonomic nervous system that triggers the 'fight or flight' response, including shivering and heat production.

Heat Loss Mechanisms

Processes such as radiation, conduction, convection, and evaporation that help regulate body temperature.