Biology Practice: Nervous System (Mock Test 3 - Advanced Mechanisms)
1. The 'All-or-None' Law in nervous physiology states that:
2. Which specialized cells are responsible for the formation of the 'Myelin Sheath' in the Peripheral Nervous System?
3. 'Saltatory Conduction' refers to the process where a nerve impulse:
4. The 'Autonomic Nervous System' is further divided into two antagonistic systems. Which one prepares the body for 'Fight or Flight' by increasing heart rate?
5. Which part of the brain is the primary seat of 'Intelligence' and 'Will Power', containing the centers for reasoning and abstract thought?
6. A 'Conditioned Reflex' (like typing or playing an instrument) is different from a simple reflex because it:
7. The 'Synaptic Cleft' is the microscopic gap where signal transmission becomes:
8. The H-shaped 'Grey Matter' in the center of the spinal cord is composed primarily of:
9. Which hormone/neurotransmitter is specifically released by the parasympathetic system to 'Rest and Digest' by slowing the heart rate?
10. The 'Reflex Arc' represents the shortest path of an impulse. What is the correct sequence?
11. 'Encephalitis' is a serious medical condition involving the inflammation of the:
12. The folds on the surface of the cerebrum are called 'Gyri', and the grooves between them are called:
13. Which structure protects the brain from chemical fluctuations in the blood?
14. 'Parkinson’s Disease' is a degenerative disorder of the nervous system typically caused by the loss of ________-producing neurons.
15. The 'Peripheral Nervous System' is classified into Somatic and Autonomic. The 'Somatic' system controls:
16. 'Meningitis' is the inflammation of the meninges. Which diagnostic test is commonly used to confirm this by analyzing fluid?
17. Which cranial nerve is responsible for the sense of 'Hearing' and 'Balance'?
18. The 'Hypothalamus' connects the nervous system to the endocrine system via the:
19. 'Multiple Sclerosis' (MS) is an autoimmune disease where the body’s immune system attacks the:
20. In the human brain, the 'Cerebral Hemispheres' are separated by a deep groove called the: