Q1. Which type of receptor detects changes in blood pressure and is found in the walls of arteries?A. ChemoreceptorsB. MechanoreceptorsC. BaroreceptorsD. Thermoreceptors
Q2. Which of the following statements about the thalamus is incorrect?A. It acts as a relay station for sensory signals to the cerebrum.B. It processes information related to touch, pain, and temperature.C. It is directly involved in voluntary muscle control.D. It plays a role in regulating alertness and consciousness.
Q3. What is the role of the sodium-potassium pump in a neuron?A. Transports neurotransmitters across the synapseB. Maintains resting membrane potentialC. Triggers the release of neurotransmittersD. Generates action potential
Q4. Which part of the brainstem controls involuntary actions such as breathing and heart rate?A. MidbrainB. PonsC. Medulla oblongataD. Cerebellum
Q5. Which of the following best describes the function of an interneuron?A. Carries impulses from the CNS to musclesB. Transmits sensory impulses to the CNSC. Connects sensory and motor neuronsD. Detects stimuli from the external environment
Q6. Which neurotransmitter is primarily involved in mood regulation and is linked to depression?A. DopamineB. SerotoninC. AcetylcholineD. GABA
Q7. Which type of neuron is responsible for connecting sensory and motor neurons?A. Afferent neuronsB. Efferent neuronsC. InterneuronsD. Sensory neurons
Q8. Which of the following statements about the autonomic nervous system is correct?A. It regulates involuntary functions like digestion and respiration.B. It only controls voluntary muscle movements.C. It consists only of the sympathetic division.D. It does not influence heart rate.
Q9. Which neurotransmitter is involved in the transmission of nerve impulses across a chemical synapse?A. InsulinB. AcetylcholineC. ThyroxineD. Glucagon
Q10. Which of the following statements about synaptic transmission is incorrect?A. Neurotransmitters are released from the axon terminal.B. Neurotransmitters cross the synaptic cleft and bind to receptors on the presynaptic membrane.C. Synaptic transmission can be excitatory or inhibitory.D. Calcium ions play a role in neurotransmitter release.