exam 3

Question 1

what are the 3 different pigments?

Answer 1

red, blue, green

Question 2

based on the source of stimuli, sensory can be classified as either

Answer 2

interoceptor or extereoceptor

Question 3

taste buds have different types of receptors for the ____ different types of taste

Answer 3

5

Question 4

what are the 5 different types of taste?

Answer 4

sweet, salty, bitter, sour, and umami

Question 5

which of the somatic sensory receptors have fine touch receptors?

Answer 5

proprioceptors

Question 6

these cells are very sensitive to light and important for night vision

Answer 6

Rod cells

Question 7

what are the two anatomical divisions in the nervous system?

Answer 7

•central nervous system - brain and spinal chord
•peripheral nervous system

Question 8

what are the two types of cells?

Answer 8

•neurons, transmit nerve impulses
•neuroglia, supports and nourish neurons

Question 9

what are the 3 parts of neurons?

Answer 9

•dendrites
•cell body
•axon

Question 10

what are dendrites?

Answer 10

extensions that receive signals from other neurons

Question 11

what is the cell body?

Answer 11

contains the nucleus and other organelles

Question 12

what is an axon?

Answer 12

conducts nerve impulses away from the cell body

Question 13

the “gaps” of the parts of the axon which are not covered by the myelin sheath are called the nodes of…

Answer 13

ranvier

Question 14

the presynaptic neuron would be known as the

Answer 14

sender

Question 15

what is the largest part of the brain?

Answer 15

cerebrum

Question 16

which of the following is not part of the neuron?

Answer 16

astrocyte

Question 17

peptide hormones work directly with ____ to enter cell

Answer 17

receptor proteins