WorksheetsExtreme Cold in Sport Quiz
Total questions: 20
Worksheet time: 10mins
What is the primary function of vasoconstriction during extreme cold exposure?
Trigger shivering reflex
Increase blood flow to the periphery
Decrease blood flow to the periphery
Increase heart rate
Which of the following is a method of heat production during cold exposure?
Frostbite
Hypothermia
Non-shivering thermogenesis
Vasoconstriction
What triggers the shivering reflex?
Increase in heart rate
Exposure to frostbite
Drop in core body temperature
Increase in metabolic rate
Which hormones are involved in non-shivering thermogenesis?
Catecholamines, Thyroxine, Glucocorticoids
Adrenaline, Insulin, Estrogen
Dopamine, Serotonin, Oxytocin
Testosterone, Progesterone, Cortisol
What happens to heart rate as body temperature decreases?
It remains constant
It increases
It decreases
It fluctuates randomly
Which of the following is NOT an effect of extreme cold on the body?
Slurred speech
Increased respiration
Hypothermia
Frostbite
What is the role of skeletal muscles during shivering?
To produce heat by shaking
To increase blood flow
To trigger frostbite
To decrease metabolic rate
Which of the following describes shivering thermogenesis?
Circulating hormones increase metabolic rate
Voluntary muscle activity increases heat production
Blood flow to the periphery decreases
Heart rate increases
What is the primary goal of heat loss minimization during cold exposure?
To increase respiration rate
To increase peripheral blood flow
To maintain core temperature
To trigger hypothermia
Which of the following is a physiological response to cold exposure?
Increased reflexes
Decreased motor skills
Improved speech clarity
Increased heart rate
What happens to respiration as body temperature decreases?
It remains constant
It fluctuates randomly
It decreases
It increases
Which of the following is a method of reducing heat loss during cold exposure?
Shivering thermogenesis
Non-shivering thermogenesis
Vasoconstriction
Exercise metabolism
What is the effect of extreme cold on motor skills?
They fluctuate randomly
They are impaired
They remain unaffected
They improve
Which of the following is a result of non-shivering thermogenesis?
Decrease in heart rate
Increase in metabolic rate
Decrease in metabolic rate
Increase in blood flow to the periphery
What is the primary cause of frostbite?
Decrease in heart rate
Increase in metabolic rate
Exposure to extreme cold
Exposure to extreme heat
Which of the following is NOT a method of heat production during cold exposure?
Shivering thermogenesis
Non-shivering thermogenesis
Exercise metabolism
Vasoconstriction
What happens to speech as body temperature decreases?
It remains unaffected
It fluctuates randomly
It becomes clearer
It becomes slurred
Which of the following hormones is NOT involved in non-shivering thermogenesis?
Glucocorticoids
Thyroxine
Catecholamines
Insulin
What is the primary function of exercise metabolism during cold exposure?
To trigger hypothermia
To decrease blood flow
To increase respiration rate
To produce heat
Which of the following is a characteristic of hypothermia?
Improved motor skills
Drop in core body temperature
Increase in reflexes
Increase in heart rate
