Unit 1 Part 1 Exam (Brain, Neurons, Drugs)

In 1848, Phineas Gage, a railroad construction foreman, survived when an explosion drove an iron rod through his head damaging the functioning of the frontal lobes. This instance provided evidence that the frontal lobe plays a role in personality and behavior. Researchers have continued to study Gage's brain to better understand this link. Which research method is being used?

• correlation

• case study

• experiment

• naturalistic observation

Match each neurotransmitter or hormone with its correct description.

• reward and pleasure centers

• Endorphins

• regulation of sleep-wake cycles

• Melatonin

• Communicates pain signals to brain

• Dopamine

• Pain blocker - feel good

• Substance P

• calming - main inhibitor -slows brain

• GABA

Match each neurotransmitter or hormone with its correct description.

• focus, learning, and memory

• Leptin

• hunger hormone - stimulates hunger

• Oxytocin

• regulates hunger - stop eating when full

• Glutamate

• evens out mood and emotions - peaceful

• Ghrelin

• social bonding - potion of devotion

• Serotonin

The space between two neurons is called the ________.

• soma

• dendrite

• synapse

• axon

Which is the following is represented by the letter B?

• cell body

• nucleus

• dendrite

• axon

Which of the following is represented by letter C?

• cell body

• terminal buttons

• axon

• myelin sheath

Which is represented by the letters D,E, F and G?

• axon

• myelin sheath

• dendrite

• terminal buttons

Which is represented by the letter H?

• axon

• myelin sheath

• schwan cell

• terminal buttons

What is the insulating (fat) layer that surrounds the axon and speeds up nerve impulses?

• axon

• dendrite

• myelin sheath

• schwann cell

Which neurotransmitter is involved in muscle movements?

• Acetylcholine
• Endorphins
• Serotonin
• GABA