20. Identify the true statement (s) about sensory receptors: a. The larger the r
ID: 3505711 • Letter: 2
Question
20. Identify the true statement (s) about sensory receptors: a. The larger the receptor potential, the greater the frequency of action potentials initiated in the afferent neuron. b. Tonic receptors often exhibit an "off-response. c. Phasic receptors are important in situations where maintained information about a stimulus is valuable. d. Receptor adaptation results from nerve fatigue e. Receptors are part of efferent neurons Answer: 21. Which of the following receptors are rapidly adapting? a. proprioceptors b. nociceptors c. Pacinian corpuscles d. muscle receptors e. All of the above Answer: 22. In somatosensory pathways, tirst-order neurons usually synapse with second-order neurons in the a. dorsal root ganglia or basal nuclei b. medulla oblongata or thalamus c. spinal cord or cerebel1um d. dorsal root ganglia or medulla oblongata e. spinal cord or medulla oblongata Answer: 23. Which ia characteristic of fast pain? a. poorly localized b. occur uoon-stimulation. ot noivmodal nociceptors t 1919 wordsExplanation / Answer
20 Identity the True statement about sensory receptors:
Answer:- a)The larger the receptor potential, the greater the frequency of action potentials initiated in the afferent neuron.
sensory receptors are located at the peripheral ends of afferent neurons and change external information into graded potentials that can initiate action potentials, which travel into the central nervous system.
21 which of the following receptors are rapidly adapting?
e.All of the above
Rapidly -adapting nerve fibers send information related to changing stimuli.
22 In somatosensory pathways, first order neuron usually synapses with second order neuron in the
Answer:- e. spinal cord or medulla oblongata
Second-order neuron : An interneuron with the cell body in the spinal cord or medulla oblongata
23 which is characteristic of fast pain :-
c. Impulses carried along myelinated fibers.
Fast pain characterised as Neospinothalamic; Sharp; Localized and carried along myelinated nerve fibers.
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