Smtb L1 Neuro of EQ

According to Francis Crick, our identity and choices are essentially the result of:

• The coordinated activity of nerve cells and molecules
• DNA and inherited traits
• Our environment and learning
• Hormonal balance in the brain

Which scientist first used a microscope to observe living cells and contributed to the cell theory?

• Robert Hooke
• Camillo Golgi
• Santiago Ramón y Cajal
• Charles Sherrington

Who coined the term 'neuron'?

• Charles Sherrington
• Ramon y Cajal
• Robert Hooke
• Camillo Golgi

Who developed the silver staining method for neurons?

• Golgi
• Freud
• Schwann
• Crick

Which scientist visualized crayfish neurons?

• Freud
• Crick
• Cajal
• Segev

What is the ‘neuron doctrine’?

• Neurons are individual cells that communicate via synapses
• Neurons communicate by electrical sparks
• Neurons are a continuous network
• Neurons do not regenerate

What was the significance of the 1906 Nobel Prize awarded to Golgi and Cajal?

• Recognition for complementary but opposing views on neuron structure
• Discovery of electrical synapses
• Joint work in discovering synaptic vesicles
• Their collaboration on glial cell classification

How did Santiago Ramón y Cajal contribute to neuroscience using Golgi’s staining technique?

• He applied it to support the neuron doctrine
• He disproved it as ineffective
• He developed a new neuron-staining method
• He used it to prove brain cells form a continuous syncytium

Which of the following best describes the concept of dynamic polarization in neurons?

• Information flows unidirectionally from dendrites to axon
• Neurons are polarized based on emotional state
• Electrical signals can move both ways in dendrites
• Each neuron maintains a constant membrane potential

What structure is responsible for sending signals in a neuron?

• Axon
• Soma
• Dendrite
• Synapse