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Hypothalamus acts on effector for heating. Which of the following is effector in this regard?
a) muscles                  
b) skin gland
c) gastric juice            
d) salivary gland

a

Explanation:  muscles produce heat by shivering or creating goose bumps


Negative Feedback:

In negative feedback, the response will reverse or cause the opposite effect of the original stimulus.


Which of the following feedback results in a reversal of the direction of change?
a) negative feedback
b) positive feedback
c) both negative and positive 
d) none of them

a

Negative feedback tends to…….
a) stabilize a system               
b) correcting deviations from the normal state
c) triggers mechanisms
d) both a and b

d

Which of the following are components of homeostatic mechanism?
a) sensor, brain, effector                    
b) receptor, integrator, effector
c) receptor, regulator, effector
d) all of these

d

According to Claude Bernard concept, living organisms face……environments.
a) two environments 
b) three environments
c) four environments
d) undefined

a

Explanation: 1. Eternal environment and      2. Internal environment



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