Unit 1 Review

Which of the following best explains the relationship between heredity and environment in shaping behavior and mental processes?

• Heredity and environment interact to influence behavior and mental processes.

• Only heredity determines behavior, not environment.

• Environment has no effect on mental processes.

• Behavior is solely determined by genetics.

Which term refers to the study of how genetic and environmental factors influence behavior?

• Behavior Genetics

• Reflex Arc

• Endocrine System

• Myelin

The Central Nervous System consists of the:

• Brain and spinal cord

• Heart and lungs

• Muscles and bones

• Skin and hair

Which system is responsible for voluntary muscle movements?

• Somatic Nervous System

• Endocrine System

• Parasympathetic Nervous System

• Reflex Arc

What is the role of neurons in the nervous system?

• Transmitting electrical and chemical signals

• Producing digestive enzymes

• Filtering toxins

• Storing fat

What is the function of the synapse?

• It is the gap where neurotransmitters are released to transmit signals between neurons.

• It stores genetic information.

• It produces hormones.

• It digests food.

What is the all-or-nothing principle in neural firing?

• A neuron either fires completely or not at all

• A neuron can fire partially

• A neuron can fire in reverse

• A neuron can fire only once

Which neurotransmitter is most closely associated with mood regulation and sleep?

• Serotonin

• Dopamine

• GABA

• Adrenaline

Which neurotransmitter is primarily involved in the fight-or-flight response?

• Adrenaline

• Melatonin

• Leptin

• Glutamate

What is the function of the endocrine system in relation to behavior?

• Releases hormones that influence behavior and mental processes

• Transmits electrical signals

• Stores genetic information

• Produces digestive enzymes