Q1. Which of the following ions plays a key role in the depolarization phase of an action potential?A. Potassium (K⁺)B. Calcium (Ca²⁺)C. Sodium (Na⁺)D. Chloride (Cl⁻)
Q2. What is the function of the parasympathetic nervous system?A. Prepares the body for stress and emergenciesB. Regulates voluntary muscle movementsC. Promotes relaxation and energy conservationD. Stimulates the release of adrenaline
Q3. Which of the following ions is required for neurotransmitter release at the synapse?A. Sodium (Na⁺)B. Potassium (K⁺)C. Calcium (Ca²⁺)D. Chloride (Cl⁻)
Q4. Which part of the brain regulates body temperature, hunger, and thirst?A. ThalamusB. CerebellumC. HypothalamusD. Medulla oblongata
Q5. Which of the following statements about the autonomic nervous system is correct?A. It controls involuntary functions like heart rate and digestion.B. It regulates only voluntary actions.C. It consists only of the sympathetic nervous system.D. It does not affect the endocrine system.
Q6. Which part of the nervous system is responsible for the "fight or flight" response?A. Somatic nervous systemB. Sympathetic nervous systemC. Parasympathetic nervous systemD. Central nervous system
Q7. Which part of the brain is responsible for balance and coordination?A. CerebrumB. CerebellumC. ThalamusD. Hypothalamus
Q8. Which of the following best describes the function of Schwann cells?A. They produce neurotransmittersB. They generate action potentialsC. They form the myelin sheath around axonsD. They transport sodium ions across the membrane
Q9. Which part of the human nervous system is divided into the sympathetic and parasympathetic divisions?A. Central nervous systemB. Peripheral nervous systemC. Autonomic nervous systemD. Somatic nervous system
Q10. Which ion is mainly responsible for maintaining the resting membrane potential in neurons?A. Sodium (Na⁺)B. Calcium (Ca²⁺)C. Potassium (K⁺)D. Chloride (Cl⁻)