Special Sensory (Taste And Smell)

Question 1

What are the five tastes (gustation)?

Answer 1

Sweet, sour, salt, bitter, umami

Question 2

Characteristics of taste buds/taste cells

Answer 2

• synapse with gustatory neurons

- deals with facial nerve (7) and glossopharyngeal nerve(12)

Question 3

Describe the steps of the conduction of taste (5)

Answer 3

1) Ligands activate the taste cell
2) Various intracellular pathways are activated
3) Ca 2+ signal in the cytoplasm triggers exocytosis or ATP formation
4) Neurotransmitter or ATP is released
5) Primary sensory neuron fires and action potentials are sent to the brain

Question 4

Smell (olfaction) activates which neurons?

Answer 4

-activates olfactory neurons