Neuroscience and Physiology Quiz

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Questions and Answers

Which type of axon is responsible for transmitting pain, temperature, and itch sensations and is unmyelinated?

  • Aα afferent axon
  • Aβ afferent axon
  • Aδ afferent axon
  • C afferent axon (correct)

Which receptor is responsible for detecting capsaicin?

  • TRPM5
  • TRPV1 (correct)
  • T1R1
  • TRPV5

Which type of pain can arise spontaneously without any stimulus?

  • Placebo effect
  • Neuropathic pain (correct)
  • Peripheral sensitization
  • Central sensitization

Which part of the limbic system has the highest concentration of endogenous opioid receptors and releases?

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

Which of the following tastes is sensed through amiloride sensitive sodium channels?

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

What is the function of the Basal Ganglia in the brain?

<p>Ensuring smooth and efficient movements (B)</p> Signup and view all the answers

Which of the following is an essential component of the cochlear amplifier?

<p>Outer hair cells (B)</p> Signup and view all the answers

Which type of neurons are NOT found in the retina?

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

What type of receptors are inner hair cells in the cochlea?

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

What is the function of proprioception?

<p>Provides information about the position and state of body parts (A)</p> Signup and view all the answers

What does disinhibition mean in the context of neural pathways?

<p>When a group of inhibitory neurons inhibits another group of inhibitory neurons. (B)</p> Signup and view all the answers

What types of spikes can Purkinje cells fire?

<p>Both simple and complex spikes (B)</p> Signup and view all the answers

Which type of mechanoreceptor is sensitive to vibration, has a large receptive field, and exhibits rapid adaptation in response to sustained indentation?

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

Which type of receptor is expressed by ON bipolar cells?

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

What is the main function of the depolarization of olfactory receptor neurons?

<p>Amplification of olfactory signal (A)</p> Signup and view all the answers

What type of pain occurs in the absence of a stimulus?

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

What is the main function of the basal ganglia?

<p>Control of movement and cognition (A)</p> Signup and view all the answers

What type of receptor is involved in the detection of spatial memory?

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

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