3.1 Interneurons are involved in transmitting information:
 a. from one neuron to another
 b. from the outside world to the brain
 c. from the brain to the muscles
 d. none of the above


3.2 Neurons that are specialized to communicate directly with the muscles of
 the body are called:
 a. sensory neurons
 b. motor neurons
 c. actuator neurons
 d. muscle neurons


3.3 Which part of the neuron has the responsibility for receiving
 information from other neurons?
 a. the cell body
 b. the soma
 c. the axon
 d. the dendrites


3.4 The main function of the myelin sheath is to:
 a. permit faster transmission of the neural impulse
 b. insulate the neuron
 c. both of the above
 d. none of the above


3.5 The change in the polarity of a neuron that results from the inflow of
 positively charged ions and the outflow of negatively charged ions is
 called the:
 a. presynaptic potential
 b. postsynaptic potential
 c. synaptic potential
 d. action potential


3.6 The task of passing a message from one neuron to another 
 across the synaptic cleft is actually
 carried out by:
 a. the myelin sheath
 b. the glia cells
 c. the action potential
 d. neurotransmitters


3.7Which of the following neurotransmitters can only have an inhibitory
 effect at receptor sites?
 a. GABA
 b. dopamine
 c. norepinephrine
 d. serotonin


3.8 The parasympathetic division is:
 a. part of the central nervous system
 b. a carrier of information inward towards the brain
 c. the branch of the somatic nervous system which
    responsible for emergencies
 d. the branch of the autonomic nervous system which
    conserves bodily resources


3.9 Which of the following techniques is often used by neurosurgeons to map
 the brain when performing brain surgery?
 a. EEG recordings
 b. ESB
 c. lesioning
 d. telling bad jokes

3.10 The seat of emotion is to be found in the:
 a. reticular formation
 b. hindbrain
 c. limbic system
 d. forebrain


3.11 One of the most important functions of the 
     hypothalamus is
 a. fluid motor skills
 b. forbearance
 c. flatulence
 d. mating


3.12 Persons having difficulty with language and speech following an accident
 that resulted in injury to the brain are most likely to have sustained
 damage in the:
 a. right cerebral hemisphere
 b. left cerebral hemisphere
 c. right cerebral hemisphere if they are a male and left cerebral
    hemisphere if they are a female
 d. occipital lobe



3.13 Which of the following statements is/are correct?
 a. the right side of the brain is the mathematical side
 b. the right and left brains are specialized to handle different kinds
    of information
 c. language tasks are always handled by the left brain
 d. all of the above



3.14 In the Featured Study on the relationship between age and prevalence of
 left-handedness, the researchers found that:
 a. left-handers tend to live longer than right-handers
 b. left-handedness is a marker associated with neurological damage due
    to birth stress.
 c. right-handers tend to live longer than left-handers
 d. natural left-handers who become right-handed through practice life
    longer than they would have if they had stayed left-handed.


3.15 In carrying out the "fight or flight" response, the role of supervisor
 is assigned to the:
 a. adrenal gland
 b. pituitary gland
 c. hypothalamus
 d. parasympathetic nervous system


3.16 A person's current weight and height could be said to exemplify his or
 her:
 a. genotype
 b. phenotype
 c. gigabyte
 d. none of the above


3.17 Which of the following kinds of studies can truly demonstrate that
 specific traits are indeed inherited?
 a. family studies
 b. twin studies
 c. adoption studies
 d. selective breeding


3.18 Current evidence indicates that schizophrenia results from:
 a. genetic factors
 b. environmental factors
 c. multiple causes that involve both genetic and environmental factors
 d. completely unknown factors


3.19 Which of the following statements about cerebral
 specialization are supported by empirical research?

 a. each hemisphere has a different mode of thinking
 b. people either rely on their right brain or their left brain
 c. both hemispheres can perform the same tasks 
    equally as well
 d. none of the above is supported




ANSWERS


1.	a	6.	d	11.	d	16.	b
2.	b	7.	a	12.	b	17.	d
3.	d	8.	d	13.	b	18.	c
4.	c	9.	b	14.	c	19.	d
5.	d	10. 	c	15.	c			
 

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