Biology Practice: Nervous System (Mock Test 5 - Ultimate Comprehensive)
1. The microscopic gap between the axon terminal of one neuron and the dendrite of the next is called the:
2. Which part of the brain is responsible for "higher-order functions" like reasoning, logic, and creative thinking?
3. How many pairs of "Spinal Nerves" are present in the human peripheral nervous system?
4. The "H-shaped" structure found in the center of the spinal cord is made of:
5. "Salivation at the thought of a lemon" is an example of which type of reflex?
6. Which part of the brain is correctly matched with its protective bony covering?
7. The fatty layer that acts as an electrical insulator around the axon is the:
8. Which division of the nervous system controls involuntary internal organ functions during "rest and digest"?
9. In a "Reflex Arc", the sensory neuron is also known as the ________ neuron.
10. The protective fluid that fills the space between the meninges is the:
11. A "Mixed Nerve" contains which type of fibers?
12. Which part of the brain coordinates posture, equilibrium, and precision of movement?
13. The chemical messenger released at the synaptic knob to transmit impulses is:
14. Which part of the brain continues into the spinal cord?
15. The "gray color" of gray matter is primarily due to the high concentration of:
16. "Blinking of eyes" when a fly sits on the eyelid is a ________ reflex.
17. Which of the following is the correct direction of impulse travel through a neuron?
18. The bony protection for the Spinal Cord is the:
19. Which structure in the reflex arc connects the sensory neuron to the motor neuron inside the spinal cord?
20. The "All-or-None" principle states that a neuron fires an impulse only when: