A: Multiple Choice Questions (1–30)
1. Neurobiology is best defined as:
A) The study of the nervous system
B) The study of rocks and minerals
C) The study of electricity and magnetism
D) The study of plants only
Answer: A
Rationale: Neurobiology is the study of the nervous system.
2. The nervous system is organized into which two main divisions?
A) Central nervous system and peripheral nervous system
B) Somatic nervous system and autonomic nervous system
C) Sympathetic nervous system and parasympathetic nervous system
D) Brain and spinal cord
Answer: A
Rationale: The nervous system is organized into the central nervous system and the peripheral nervous
system.
3. The central nervous system consists of:
A) The brain and spinal cord
B) The cranial nerves and spinal nerves
C) The sympathetic and parasympathetic nervous systems
D) The somatic and autonomic nervous systems
Answer: A
Rationale: The central nervous system consists of the brain and spinal cord.
4. The peripheral nervous system consists of:
A) The nerves and ganglia outside the brain and spinal cord
B) The brain and spinal cord
C) The sympathetic and parasympathetic nervous systems
D) The somatic and autonomic nervous systems
Answer: A
Rationale: The peripheral nervous system consists of the nerves and ganglia outside the brain and spinal
cord.
5. The neuron doctrine states that:
A) The nervous system is made up of individual cells called neurons
B) The nervous system is a continuous network of fibers
,C) The nervous system is made up of glial cells only
D) The nervous system is made up of blood vessels
Answer: A
Rationale: The neuron doctrine states that the nervous system is made up of individual cells called
neurons.
6. Who proposed the neuron doctrine?
A) Santiago Ramón y Cajal
B) Charles Darwin
C) Gregor Mendel
D) Louis Pasteur
Answer: A
Rationale: Santiago Ramón y Cajal proposed the neuron doctrine.
7. Neurons communicate with each other at specialized junctions called:
A) Synapses
B) Gap junctions
C) Tight junctions
D) Desmosomes
Answer: A
Rationale: Neurons communicate with each other at specialized junctions called synapses.
8. The two main types of cells in the nervous system are:
A) Neurons and glial cells
B) Neurons and muscle cells
C) Glial cells and epithelial cells
D) Neurons and blood cells
Answer: A
Rationale: The two main types of cells in the nervous system are neurons and glial cells.
9. Glial cells function to:
A) Support and protect neurons
B) Conduct electrical impulses
C) Release neurotransmitters
D) Form synapses
Answer: A
Rationale: Glial cells support and protect neurons.
10. The part of the neuron that receives signals from other neurons is the:
, A) Dendrite
B) Axon
C) Synapse
D) Terminal
Answer: A
Rationale: Dendrites receive signals from other neurons.
11. The part of the neuron that transmits signals to other neurons is the:
A) Axon
B) Dendrite
C) Soma
D) Nucleus
Answer: A
Rationale: The axon transmits signals to other neurons.
12. The cell body of a neuron is called the:
A) Soma
B) Axon
C) Dendrite
D) Synapse
Answer: A
Rationale: The cell body of a neuron is called the soma.
13. The nature versus nurture debate in neurobiology concerns:
A) The relative contributions of genes and environment to brain function and behavior
B) The relative contributions of neurons and glial cells to brain function
C) The relative contributions of the central and peripheral nervous systems
D) The relative contributions of the sympathetic and parasympathetic nervous systems
Answer: A
Rationale: The nature versus nurture debate concerns the relative contributions of genes and
environment to brain function and behavior.
14. Twin studies are used to:
A) Reveal the contributions of nature and nurture
B) Reveal the contributions of neurons and glial cells
C) Reveal the contributions of the central and peripheral nervous systems
D) Reveal the contributions of the sympathetic and parasympathetic nervous systems
Answer: A
Rationale: Twin studies are used to reveal the contributions of nature and nurture.