Q1. Which part of the brainstem helps regulate respiration and heartbeat?A. MidbrainB. PonsC. Medulla oblongataD. Cerebellum
Q2. Which structure of the neuron carries the nerve impulse toward the cell body?A. AxonB. DendritesC. Synaptic knobD. Node of Ranvier
Q3. Which part of the neuron is responsible for receiving signals from other neurons?A. AxonB. DendritesC. Cell bodyD. Myelin sheath
Q4. Which of the following statements about the nervous system is correct?A. The central nervous system processes information and coordinates responses.B. The peripheral nervous system consists only of motor neurons.C. The autonomic nervous system controls voluntary muscle movements.D. The brainstem is not involved in regulating vital functions.
Q5. Which of the following statements about neurotransmitters is incorrect?A. Neurotransmitters are released from the axon terminal.B. Neurotransmitters bind to receptors on the presynaptic membrane.C. Neurotransmitters can be excitatory or inhibitory.D. Acetylcholine is an example of a neurotransmitter.
Q6. Which neurotransmitter is involved in the transmission of nerve impulses across a neuromuscular junction?A. DopamineB. SerotoninC. AcetylcholineD. GABA
Q7. Which of the following best describes saltatory conduction in myelinated neurons?A. Impulse travels continuously along the axonB. Impulse jumps between nodes of RanvierC. Impulse conduction is slower than unmyelinated neuronsD. Impulse transmission occurs in both directions
Q8. Which type of glial cell is responsible for forming the myelin sheath in the peripheral nervous system?A. OligodendrocytesB. Schwann cellsC. AstrocytesD. Microglia
Q9. Which nerve fibers carry impulses from the central nervous system to the peripheral organs?A. Afferent fibersB. InterneuronsC. Efferent fibersD. Sensory neurons
Q10. Which type of conduction occurs in myelinated neurons, allowing impulses to jump between nodes of Ranvier?A. Continuous conductionB. Chemical conductionC. Saltatory conductionD. Synaptic transmission