U3 AOS1 DP 1.1/1.2/1.3 Quick Quiz

As you read this question, your eyes are moving from word to word under the direction of the

• Autonomic NS

• Parasympathetic NS

• Somatic NS

• Sympathetic NS

Rafael's family is building an extension onto the back of their house. While he was walking barefoot across their back lawn, he stepped on a nail. Instantly, he reacted by withdrawing his foot. This response involved all the following parts of the nervous system except

• the brain

• sensory neurons

• interneurons

• motor neurons

Neurotransmitters are chemical messages that

• Stay in the synapse rather than make contact with the next neuron

• cause a change in the postsynaptic neuron by exciting the neuron and causing it to fire

• cause a change in the postsynaptic neuron by inhibiting the neuron and stopping it to fire

• cause a change in the postsynaptic neuron by either exciting or inhibiting the next neuron

The neuromodulator that plays a major role in mood regulation, sleep/wake cycles, memory processing and appetite is

• serotonin

• dopamine

• noradrenaline

• glutamate

Differentiate between inhibitory and excitatory neurotransmitters