Neuroscience Quiz on State of Unconsciousness and Brain Functions
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Questions and Answers

What is the state of unconsciousness in which a person's responses to stimuli are reduced or absent?

  • Sleep apnea
  • Coma (correct)
  • Insomnia
  • Amnesia

Which part of the brain is responsible for integrating sensations that are consciously perceived like vision, smell, taste, and pain?

  • Cerebellum
  • Pontine nuclei
  • Cerebral cortex (correct)
  • Spinal cord

What part of a cell body conducts impulses toward the cell body?

  • Dendrites (correct)
  • Mitochondrion
  • Neurons
  • Axons

Which system in the body is known as the 'fight or flight' system?

<p>Sympathetic (B)</p> Signup and view all the answers

What term refers to the ability of the brain to process and interpret sensory input and decide if action is needed?

<p>Integration (A)</p> Signup and view all the answers

Which part of the brain is known as the housekeeping system of the body and most active when the body is at rest?

<p>Parasympathetic (B)</p> Signup and view all the answers

What is the major subdivision of the nervous system that interprets incoming information and issues orders?

<p>CNS (B)</p> Signup and view all the answers

Which region of the brain controls breathing and blood pressure?

<p>Hypothalamus (A)</p> Signup and view all the answers

What are the divisions of the peripheral nervous system?

<p>A and e (A)</p> Signup and view all the answers

Which organelle in neurons is a common site of protein synthesis?

<p>Nissl body (B)</p> Signup and view all the answers

What does the term 'nerve fibre' refer to in neurons?

<p>An axon (D)</p> Signup and view all the answers

Which part of the brain is affected/damaged in a condition called ataxia?

<p>Cerebellum (A)</p> Signup and view all the answers

What is the major relay station for most sensory impulses reaching the cerebral cortex?

<p>Thalamus (C)</p> Signup and view all the answers

Which type of neuron has one dendrite and one axon emerging from the cell body?

<p>Bipolar neuron (B)</p> Signup and view all the answers

Which of the following is NOT controlled by the hypothalamus?

<p>Emotional behavior (B)</p> Signup and view all the answers

What is the main advantage of electrical synapses in nervous tissue?

<p>Faster communication (A)</p> Signup and view all the answers

Which region of the brain contains the pineal gland?

<p>Epithalamus (D)</p> Signup and view all the answers

Which structure conducts nerve impulses between the two cerebral hemispheres?

<p>Corpus callosum (D)</p> Signup and view all the answers

Which brain structure consists of the thalamus, hypothalamus, and epithalamus?

<p>Cerebrum (D)</p> Signup and view all the answers

What protects the brain by preventing the movement of harmful substances and pathogens from the blood into brain tissue?

<p>Blood brain barrier (B)</p> Signup and view all the answers

Which functional area of the cerebrum is responsible for vision?

<p>Primary visual area (C)</p> Signup and view all the answers

Which brain disorder is the most common among the listed options?

<p>Arachnoid mater (D)</p> Signup and view all the answers

Which cranial nerve is also known as the trigeminal nerve?

<p>Trigeminal nerve (B)</p> Signup and view all the answers

In which region of the brain are the pontine respiratory group and apneustic areas that help control respiration located?

<p>Midbrain (C)</p> Signup and view all the answers

What is the part of the neuron that carries impulses from the CNS to the viscera or body muscles and glands?

<p>Efferent (B)</p> Signup and view all the answers

Which of the following is NOT a major region of the brain?

<p>Motor neuron (C)</p> Signup and view all the answers

Which neurotransmitters are NOT the two main neurotransmitters of the autonomic nervous system?

<p>Muscarine &amp; acetylcholine (A)</p> Signup and view all the answers

Which type of stimuli are NOT sensed by free nerve endings?

<p>Light intensity (D)</p> Signup and view all the answers

Which disorder is characterized by difficulty in falling asleep and staying asleep?

<p><strong>Insomnia</strong> (C)</p> Signup and view all the answers

What is a common type of disabling senile dementia that affects individuals over 65, leading to loss of reasoning and ability to care for oneself?

<p><strong>Alzheimer's disease</strong> (C)</p> Signup and view all the answers

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