Q1. Which structure connects the spinal cord to the brain?A. CerebellumB. ThalamusC. Medulla oblongataD. Hypothalamus
Q2. Which of the following structures connects the left and right hemispheres of the brain?A. HypothalamusB. Corpus callosumC. PonsD. Cerebellum
Q3. Which part of the neuron is responsible for transmitting signals to the next neuron or muscle fiber?A. DendritesB. Axon terminalC. Cell bodyD. Nissl's granules
Q4. Which of the following statements about the cerebellum is correct?A. It coordinates voluntary muscle movements and balance.B. It regulates heart rate and digestion.C. It is involved in conscious thought and reasoning.D. It directly controls endocrine gland function.
Q5. Which part of the nervous system is responsible for transmitting impulses from the central nervous system to involuntary organs?A. Somatic nervous systemB. Autonomic nervous systemC. Peripheral nervous systemD. Cranial nerves
Q6. Which of the following best describes the role of the limbic system?A. Controls voluntary muscle movementsB. Regulates emotions, learning, and memoryC. Processes sensory informationD. Regulates digestion
Q7. Which ion plays a crucial role in synaptic transmission by triggering neurotransmitter release?A. Sodium (Na⁺)B. Potassium (K⁺)C. Calcium (Ca²⁺)D. Chloride (Cl⁻)
Q8. Which of the following statements about neurotransmitters is correct?A. Neurotransmitters can be either excitatory or inhibitory.B. All neurotransmitters have only one type of effect on neurons.C. Neurotransmitters pass through the postsynaptic membrane without binding to receptors.D. Neurotransmitters are not required for communication between neurons.
Q9. Which structure in the neuron contains synaptic vesicles filled with neurotransmitters?A. DendritesB. Axon terminalC. Cell bodyD. Schwann cells
Q10. Which of the following statements about the medulla oblongata is incorrect?A. It is part of the brainstem.B. It controls involuntary functions like breathing and heart rate.C. It is responsible for higher cognitive functions.D. It connects the brain to the spinal cord.