ITP Lec 2 Feb25

Peripheral Nervous System (PNS) consists of brain and spinal cord

• True

• False

Peripheral Nervous System (PNS) is a communication link between the CNS and the rest of the body.

• True

• False

_____ block the action of neurotransmitters

• Agonists

• Antagonists

• Neurotransmitters

• Neurons

Neurotransmitters are chemical messengers that carry chemical signals from one neuron to another neuron.

• True

• False

Hindbrain's main function is “Life support”

• True

• False

Endorphins is an example of agonist.

• True

• False

Sometimes, our body might not produce enough neurotransmitters on its own, so we might need supplements or medications to activate our receptors.

• True

• False

Nicotine blocks acetylcholine.

• True

• False

With the myelin sheath, messages can zip along quicker, and this process called saltatory conduction.

• True

• False

Excitatory messages make the cell less negatively charged, this process called

• depolarization

• hyperpolarization

• equilibrium

• synaptic plasticity