Reflex Actions and Sensory Receptors
Covers reflex actions, reflex arcs, and various sensory receptors including skin receptors (mechanoreceptors, thermoreceptors, pain receptors), taste receptors, olfactory receptors, proprioceptors, and equilibrium receptors
Questions
What is an involuntary response to a stimulus called?
- Nerve impulse
- Reflex action
- Jerk
- Shock
What happens during reflex actions?
- Sensory impulses are converted into motor impulses in the brain.
- Sensory impulses are converted into motor impulses in the spinal cord.
- Motor impulses are converted to sensory impulses in the brain.
- Motor impulses are converted into sensory impulses in the spinal cord.
What did Pavlov's experiment prove?
- Unconditioned reflexes
- Conditioned reflexes
- Mechanism of reflex
- Transmission of nerve impulse
Proprioceptors are found in
- skin
- eye
- muscles tendons and joints
- ear
Which one is the correct representation of a reflex arc?
- Receptor - Sensory neuron - Motor neuron - Inter neuron - Effector organ
- Sensory neuron - receptor - Motor neuron - Inter neuron - Effector organ
- Receptor - Sensory neuron - Inter neuron - Motor neuron - Effector organ
- Receptor - Sensory neuron - Motor neuron
What do the end organs of Ruffini sense?
- Cold
- Warmth
- Pressure
- Pain
What kind of receptors are the Merkel nerve endings?
- Thermoreceptors
- Algesireceptors
- Mechanoreceptors
- Photoreceptors
Which of the following receptors sense deep pain?
- Proprioceptors
- Nociceptors
- Interoceptors
- Teleoceptors
Which type of nerve ending in the skin is responsible for sensitivity to light touch?
- Pacinian corpuscles
- Meissner's corpuscles
- Ruffini corpuscle
- Frigidoreceptors
Papillae are the tissues found in the
- skin
- eyes
- tongue
- ears
Which taste receptors are present at the rear side of the tongue?
- Sweet taste
- Salty taste
- Bitter taste
- Sour taste
Which of the following receptors is responsible for change in equilibrium?
- Algesireceptors
- Interoceptors
- Statoreceptors
- Tangoreceptors
Where are maximum tactile receptors in humans present?
- legs
- Face
- Body
- Head
Which part of the brain perceives the sense of smell?
- Medulla
- Hypothalamus
- Olfactory lobe
- Cerebrum
Where are the receptors for sweet taste located in the tongue?
- At the back of the tongue
- Tip of the tongue
- Middle of the tongue
- Sides of the tongue