Q1. Which structure in the neuron contains synaptic vesicles filled with neurotransmitters?A. DendritesB. Axon terminalC. Cell bodyD. Schwann cells
Q2. What is the primary role of the pons in the brainstem?A. Controls voluntary muscle movementsB. Relays signals between the brain and spinal cordC. Processes auditory signalsD. Regulates body temperature
Q3. Which of the following statements about the cerebellum is incorrect?A. It helps coordinate voluntary muscle movements.B. It plays a role in maintaining balance and posture.C. It directly regulates digestion and metabolism.D. It processes sensory input related to movement.
Q4. Which type of synapse allows direct electrical communication between neurons?A. Chemical synapseB. Electrical synapseC. Neurotransmitter synapseD. Neuromuscular synapse
Q5. Which of the following statements about the cerebrum is correct?A. It controls voluntary actions and higher cognitive functions.B. It is responsible for regulating heart rate and breathing.C. It is a part of the brainstem.D. It does not contain any gray matter.
Q6. Which of the following statements about action potentials is incorrect?A. Action potentials occur due to ion movement across the neuron's membrane.B. Sodium (Na⁺) ions enter the neuron during depolarization.C. Potassium (K⁺) ions leave the neuron during repolarization.D. Action potentials can travel in both directions along an axon.
Q7. Which of the following statements about neurons is correct?A. Neurons are specialized cells that transmit electrical and chemical signals.B. Neurons can divide regularly like epithelial cells.C. Neurons do not require oxygen for their function.D. Neurons lack a nucleus and other organelles.
Q8. Which of the following is NOT a function of cerebrospinal fluid (CSF)?A. Providing mechanical protection to the brainB. Transporting nutrients and wasteC. Generating nerve impulsesD. Acting as a shock absorber
Q9. Which of the following is a function of the parasympathetic nervous system?A. Increases heart rateB. Dilates pupilsC. Promotes digestion and relaxationD. Stimulates the release of adrenaline
Q10. Which neurotransmitter is released at chemical synapses to facilitate impulse transmission?A. InsulinB. AcetylcholineC. ThyroxineD. Glucagon