The receptors in hypothalamus that detect the stimulus of smell, taste and blood carbon dioxide concentration is:

Related Mcqs:

1. Which THREE of the following are true regarding habituation and dishabituation?
   1:Habituation involves a gradual reduction in the magnitude of the response to repeated presentation of the response of a stimulus
   2:In dishabituation, the response returns when a salient extraneous stimulus is presented just before a trial with the habituated stimulus
   3:Habituation is caused by sensory-motor fatigue
   4:Habituation occurs as a consequence of the repeated presentation of a single event

   A. 1,2 & 3
   B. 2,3 & 4
   C. 1,2 & 4
   D. 4

2. In what way (s) is the sense of taste like the sense of smell?

   A. There are four primary stimulus groups for both senses
   B. both systems are routed through the thalamus on the way to the cortex
   C. The physical stimuli for both senses are chemical substances dissolved in fluid
   D. All of the above

3. Taste receptors are located:

   A. On the top of the tongue
   B. In the middle of the tongue
   C. On the sides of the tongue
   D. In all of the above places

4. Taste aversions are a type of classical conditioning, and if there is a long delay between the CS and US, conditioning is usually prevented. The fact that people and animals can be develop taste aversions even though sickness occurs long after eating indicates that:

   A. taste aversions are really more like operant conditioning
   B. taste aversions can be unlearned as well
   C. there is a biological tendency to associate sickness with any food eaten earlier
   D. there is less aversion associated with the actual sickness than with whatever caused the sickness in the first place

5. Release of corticotrophin releasing factor from hypothalamus is controlled by levels of_______in blood:

   A. Thyroxine
   B. Cortisone
   C. Prolactin
   D. Steroids

6. Level of one of the followings in the blood controls release of thyrotropin releasing factor from the hypothalamus:

   A. Thyroxine
   B. Cortisone
   C. Prolactin
   D. Steroids

7. In which form of conditioning is the conditioned stimulus (CS) presented after the unconditioned stimulus (UCS) _______________?

   A. higher order conditioning
   B. forward conditioning
   C. backward conditioning
   D. second order conditioning

8. The ability to distinguish between a conditioned stimulus and similar stimuli that do not signal an unconditioned stimulus is called __________________?

   A. shaping
   B. acquisition
   C. discrimination
   D. generalization

9. When Pavlov repeatedly presented the conditioned stimulus without pairing it with the unconditioned stimulus, the conditioned response failed to occur. This is known as __________________?

   A. condition failure
   B. recovery
   C. extinction
   D. habituation

10. The presentation of an aversive stimulus of the removal of a positive stimulus are both examples of:

    A. negative reinforcement
    B. punishment
    C. positive reinforcement
    D. secondary reinforcement