PHYSIO SENSORY MULTIPLE CHOICE QUESTIONS 2025

2/6/25, 1:40 AM Physio sensory Multiple choice quetions



(MCQ) Sample 2018 – 19 Dr
Dr.. Ahmad .S. Alarabi




Central N.S

Sensory Part
Q1: One of the following is a monosynaptic reflex:

a) Stretch reflex. b) Inverse stretch reflex.
c) Crossed extensor reflex. d) Mass reflex.

Q2: Which of the following is a spinal polysynaptic autonomic reflex:

a) Micturition. b) Defecation. c) Erection. d) a, b and c are correct.

Q3: Pacinian corpuscles are:

a) Pain receptors. b) Thermoreceptors.
c) Slowly adapting receptors. d) Rapidly adapting.

Q4: Chemoreceptors include all the following EXCEPT:

a) O2 lack. b) Taste. c) Olfactory. d) Visual.

Q5: Hypothalamic receptors include all the following EXCEPT:

a) Glucoreceptors. b) Mechanoreceptors.
c) Osmoreceptors. d) Thermoreceptors.

Q6: Which of the following is a chemoreceptor:

a) Touch receptors. b) Joint receptors.
c) Auditory receptors. d) Taste receptors.

Q7: Chemoreceptors include all the following EXCEPT:

a) Aortic bodies. b) Taste receptors.
c) Olfactory receptors. d) Visual receptors.


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,2/6/25, 1:40 AM Physio sensory Multiple choice quetions



(MCQ) Sample 2018 – 19 Dr
Dr.. Ahmad .S. Alarabi


Q8: Phasic (Rapidly adapting) receptors include all the following EXCEPT:

a) Pacinian corpuscles. b) Meissner's corpuscles.
c) Hair end organs. d) Pain free nerve endings.

Q9: Phasic (Rapidly adapting) receptors include all the following EXCEPT:

a) Hair receptors. b) Muscle spindle.
c) Golgi tendon receptors. d) Baroreceptors.

Q10: Tonic (Slowly adapting) receptors include all the following EXCEPT:

a) Touch receptors. b) Nociceptors.
c) Baroreceptors. d) Muscle spindle.

Q11: Decreased sensitivity to a continued stimulus is called:

a) Adaptation. b) Conduction. c) Projection. d) Phantom pain.

Q12: Adaptation is rapid in:

a) Pain receptors. b) Touch receptors. c) Cold receptors.
d) Hot receptors. e) Muscle spindle.

Q13: Adaptation of receptors:

a) Is a decrease in response in spite of constant stimulation.
b) Is a decrease in response when the stimulus decreased.
c) Is rapid in pain receptors.
d) Is slow in temperature receptors.
e) Is moderate in touch receptors.

Q14: Adaptation of receptors:

a) Means gradual increase in response inspite of constant stimulation.
b) The more important the sensation the grater the rate of adaptation.
c) The mechanism is not the same for all receptors.
d) Touch receptors are slowly adapting receptors.




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, 2/6/25, 1:40 AM Physio sensory Multiple choice quetions



(MCQ) Sample 2018 – 19 Dr
Dr.. Ahmad .S. Alarabi


Q15: When a receptor is stimulated, it produces:

a) Non specific sensation. b) Specific sensation.
c) Complete depolarization. d) All or none response.

Q16: Stimulation of receptors leads to:

a) Action potential. b) All or none response.
c) None specific response. d) Partial depolarization.

Q17: Excitability is characterized by all the following EXCEPT:

a) It is caused by increased Na+. b) Can not be summated.
c) It is a graded response. d) Does not obey all or none law.

Q18: Depolarization of a receptor:

a) Is called action potential. b) Obeys all or none law.
c) Is graded. d) Is caused by Ca++ inflow.
e) Leads usually to single action potential along the afferent neuron.

Q19: Receptor potential:

a) Is a state of partial depolarization of the receptor.
b) Is not graded.
c) Is not summated.
d) Is caused by increased permeability to K+.
e) Its duration = 1.5 m.sec.

Q20: The receptor potential:

a) Does not obey all or none law.
b) Can not be summated.
c) Has a duration greater than 2 sec.
d) Results from an increase in the membrane permeability of the receptor to Ca++.
e) Its amplitude is inversely proportional to the intensity of the stimulus.




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