Nervous System and Sense Organs Quiz

What is the primary function of the Central Nervous System (CNS)?

• Serving as the control center of the body

• Regulating heart rate

• Controlling voluntary movements

• Processing sensory information

Which part of the brain is responsible for higher-order functions such as thinking and memory?

• Cerebellum

• Brainstem

• Spinal Cord

• Cerebrum

What type of neuron carries commands from the brain to the muscles?

• Interneurons

• Sensory Neurons

• Glial Cells

• Motor Neurons

Which neurotransmitter is primarily involved in muscle contraction?

• GABA

• Acetylcholine

• Serotonin

• Dopamine

What is the role of the sympathetic nervous system?

• Calming the body

• Preparing the body for fight-or-flight

• Controlling voluntary movements

• Regulating digestion

Which layer of the meninges is the toughest?

• Cerebrospinal Fluid

• Pia mater

• Arachnoid mater

• Dura mater

What is the primary function of rods in the retina?

• Color vision

• Detecting light levels

• Focusing light

• Transmitting signals to the brain

Which part of the ear is responsible for converting sound waves into electrical signals?

• Ossicles

• Tympanic membrane

• Cochlea

• Auricle

What is the function of the olfactory epithelium?

• Transmitting visual signals

• Regulating temperature

• Detecting odor molecules

• Detecting sound

Which type of taste bud detects sweetness?

• Bitter

• Sweet

• Sour

• Salty