Chemicals that act as messengers between animals are referred as _____________?

Related Mcqs:

1. Rais just came back from seeing a neurologist. Rais tells you that he will be having a test in which images of his brain will be recorded after radioactive chemicals have been injected into his chemicals have been injected into his bloodstream. However, Rais can’t remember the actual name of the test. it appears that his neurologist is planning:

   A. an electroencephalograph (EEG) recording
   B. a positron emission tomography (PET) scan
   C. a computerized tomography(CT) scan
   D. a magnetic resonance imaging (MRI) scan

2. Receptors are generally referred to as chemicals are ___________?

   A. visual and auditory
   B. auditory and temperature
   C. gustation and olfaction
   D. temperature and pressure

3. Hormones are the chemical messengers of the:

   A. reticular formation
   B. autonomic nervous system
   C. endocrine system
   D. cerebral cortex

4. Chemicals which are produced in the brain and facilitate communication between nerve cells are called ______________?

   A. neurotransmitters
   B. plasmas
   C. syntactic structures
   D. adrenocorticoids

5. A family of chemicals produced in the body that resemble the opiates are the:

   A. biogenic amines
   B. acetylcholine
   C. endorphins
   D. serotonins

6. 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

7. What can occur if a person believes that a connection exists between an act and its consequences when there is no relationship between the two?

   A. Classical conditioning
   B. Superstitious behavior
   C. Shaping
   D. Sequential learning
   E. None of these

8. What can occur if a person believes that a connection exists between an act and its consequences when there is no relationship between the two?

   A. classical conditioning
   B. shaping
   C. superstitious behavior
   D. none of these

9. Which TWO of the following statements are true of blocking?
   1: The phenomenon of blocking provides an interesting and much-studied instance of failure to learn, in spite of contiguous presentations of the CS and the US
   2: In a blocking experiment, animals receive training with what is termed a compound CS (Phase 2)
   3: The experimental group has first received a phase of training in which the US alone is conditioned (Phase 1)
   4: The experimental groups shows no (or very little evidence of learning about the CS that is presented in Phase 1

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

10. Which of the following is important for animals with short life spans and with little or no parental care?

    A. Instinct
    B. Taxis
    C. Learning
    D. Kinesis