Chapter 3

Question 1

CNS

Answer 1

• easiest to understand

- has brain and spinal cord

Question 2

PNS

Answer 2

• Autonomic
• Somatic
• Parasympathetic
• Sympathetic

Question 3

Resting Potential

Answer 3

• the charge at resting is -70 MV
• potassium floats freely across the membranes
• sodium is kept out

Question 4

Neurotransmitters

Answer 4

-chemicals that transmit information across the synapse to a receiving neuron’s dendrites

Question 5

Dopamine

Answer 5

• Regulates motor behavior, motivation, pleasure, and emotional arousal.
• plays a big role in drug addiction

Question 6

Norepinephrine

Answer 6

-involved in vigilance or a heightened awareness of dangers in the environment

Question 7

Serotonin

Answer 7

-Involved with regulation of sleep and wakefulness, eating, and aggressive behavior

Question 8

Hindbrain

Answer 8

• Oldest and most primitive
• controls most basic functions of life: respiration, alertness, and motor skills
• It’s made up of the medulla, reticular formation, cerebellum, and pons

Question 9

Midbrain

Answer 9

• deep within and highly protected
• regulates organism’s environment
• guides movement towards or away form stimuli
• relay station where information goes to. If anything happens here then we will have issues communicating visually and auditorily.

Question 10

Forebrain

Answer 10

• newest and largest
• highest level of brain (literally and figuratively)
• controls complex cognitive, emotional, sensory and motor functions

Question 11

Occipital Lobe

Answer 11

• controls all visual information

- you can activate it without looking at something

Question 12

Temporal Lobe

Answer 12

• Above your ears ( activates auditory )

Question 13

Parietal Lobe

Answer 13

• Senses of touch

- area is relevant tells you how sensitive that part really is.

Question 14

Frontal Lobe

Answer 14

• higher levels of thinking

- (prefrontal) controls your personality