Neuroscience and Physiology Quiz

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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?

Periaqueductal gray Signup and view all the answers

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

Salts Signup and view all the answers

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

Ensuring smooth and efficient movements Signup and view all the answers

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

Outer hair cells Signup and view all the answers

Which type of neurons are NOT found in the retina?

Amacrine cells Signup and view all the answers

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

Chemo receptors Signup and view all the answers

What is the function of proprioception?

Provides information about the position and state of body parts Signup and view all the answers

What does disinhibition mean in the context of neural pathways?

When a group of inhibitory neurons inhibits another group of inhibitory neurons. Signup and view all the answers

What types of spikes can Purkinje cells fire?

Both simple and complex spikes 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?

Pacinian corpuscle Signup and view all the answers

Which type of receptor is expressed by ON bipolar cells?

AMPA receptors Signup and view all the answers

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

Amplification of olfactory signal Signup and view all the answers

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

Neuropathic pain Signup and view all the answers

What is the main function of the basal ganglia?

Control of movement and cognition Signup and view all the answers

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

NMDA receptors Signup and view all the answers