Unit 3 Psychology - Nervous system

The HPA axis is activated in the stress response. Which division of the nervous system is primarily responsible?

• Autonomic

• Somatic

• Sympathetic

• Parasympathetic

Which parts of the brain are responsible for the development of a phobia?

• Cerebellum

• Amygdala

• Hypothalamus

• Hippocampus

In classical conditioning, the response is

• conscious

• unconscious

• reflexive

In operant conditioning, the response is

• Conscious

• Unconscious

• Reflexive

Which of the following would be an example of a reflex arc?

• Screaming in pain when you stub your toe.

• Raising your foot after standing on a pin.

• Waving away a fly that has settled on your nose.

• Kicking a football

Which of the following is not a neurotransmitter?

• dopamine

• GABA

• glutamate

• seratonin

• melatonin

Neurons are the only cells that make up the nervous system

• True

• False

The panic and anxiety felt by a phobic is because

• The excitatory neurotransmitter GABA is not counteracted because there is too little glutamate.

• The excitatory neurotransmitter glutamate is not counteracted because there is too little GABA.

• There is not enough dopamine produced to counteract the action of glutamate.

• There is too much seratonin produced for glutamate to counteract.

Parkinson's disease is caused by

• Too much dopamine produced by neurons in the substantia nigra.

• Too little dopamine produced by neurons in the substantia nigra.

• Too much dopamine produced by neurons in the motor cortex

• Too little dopamine produced by neurons in the basal ganglia.

Which part of a neuron changes during learning?

• Synapse

• Dendrite

• Soma

• Myelin sheath