QUIZIZZ HOMEWORK

Which of the following best describes a reflex action in humans?

• Voluntary and learned

• Involuntary and spontaneous

• Involuntary and automatic

• Slow and thoughtful

A student touches a hot plate and quickly pulls her hand away. What role does the spinal cord play in this response?

• It initiates a voluntary response

• It delays the response for safety

• It processes and initiates a reflex

• It relays pain to the brain after the response

If you shine a flashlight in someone's eye, their pupil constricts. What type of stimulus is involved?

• Mechanical

• Thermal

• Light

• Chemical

A dog salivates when it hears a bell because it expects food. This is an example of:

• Reflex action

• Conditioned response

• Hormonal response

• Voluntary action

If a plant grows toward a light source, it is responding to:

• Hydrotropism

• Geotropism

• Phototropism

• Chemotropism

During a loud thunderclap, a person blinks. What is the stimulus?

• Eye movement

• The thunder

• Fear

• The brain

A cactus closes its stomata during the day to reduce water loss. This is:

• Behavioral response

• Structural adaptation

• Physiological response

• Learned behavior

Which response is most likely controlled by the cerebellum?

• Remembering a fact

• Breathing rate

• Coordinating balance while walking

• Deciding what to eat

What would happen if sensory neurons were damaged?

• Muscles would contract constantly

• Reflexes would speed up

• The body would not detect external stimuli

• Voluntary actions would become reflexes

In a lab experiment, a mouse learns to avoid a specific area after receiving a mild shock there. This demonstrates:

• Innate behavior

• Voluntary inhibition

• Classical conditioning

• Operant conditioning