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Shivering thermogenesis involves repeated stimulation of ……….by motor neurons.
a) cardiac muscles      
b) smooth muscles
c) voluntary muscles
d) all of these

c

Explanation: all skeletal muscles are voluntary in action



Non-shivering thermogenesis is caused by high metabolic rate by the action of…..mainly.
a) ADH                                  
b) thyroxin
c) FSH                        
d) adrenaline

b

Explanation: thyroxin is released by thyroid gland



Which of the following hormone increase metabolic rate which result heat production for long term?
a) paratharmone         
b) thyroxin
c) noradrenalin           
d) adrenaline

b

Explanation: thyroxin increase the metabolic rate of all body cells



Which of the following hormone increase metabolic rate which result heat production for short term?
a) paratharmone         
b) thyroxin
c) noradrenalin           
d) adrenaline

d

Explanation: adrenaline is emergency hormone



In how many ways, heat is lost from general body surface?
a) two 
b) three          
c) four
d) five

b

Explanation: 1. Radiation 2. Convection and 3. conduction



How much % of heat is lost by radiation?
a) 20   
b) 30               
c) 50   
d) 80

c

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