Dr Gawad Physiology Course Online Exams – Mechanoreceptors, Thermoreceptors

7 Questions | By Gawadgawadgawad | Updated: Mar 21, 2022 | Attempts: 608

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Dr Gawad Physiology Course Online Exams Mechanoreceptors, Thermoreceptors - Quiz

7 MCQs (Only one correct answer) Each MCQ: 1 mark, Total mark: 7 (you will get the results immediately with correction by the web) Allowed time: 7 min Good Luck

Questions and Answers

1.

Regarding the ventral spinothalamic tract, which of the following is not true:
- A.
  
  Its afferent fiber is type C fiber.
- B.
  
  The crossing of the tract to the midline is mainly in the second order neuron.
- C.
  
  It transmits crude touch.
- D.
  
  The main centre of this tract is the thalamus.
2.

Regarding the spinocerebellar, which of the following is true:
- A.
  
  The dorsal tract transmits the impulse to both sides of cerebellum.
- B.
  
  The ventral tract is faster than the dorsal one.
- C.
  
  It controls function of the ipsilateral group of muscles
- D.
  
  It is the third fastest pathway regarding CNS conduction.
3.

The gracile pathway:
- A.
  
  Transmits subconscious kinesthetic sensation.
- B.
  
  Its afferent is thin slow afferent.
- C.
  
  It runs in the spinal cord medially to the cuneat tract.
- D.
  
  Its transmission is perceived by the thalamus.
4.

Stereogenesis depends on the following except:
- A.
  
  Touch sensation.
- B.
  
  Pressure sensation.
- C.
  
  Spinocerebellar tract, the uncrossed ventral one
- D.
  
  Integration of central sensory are.
5.

Which of the following is not an unconscious kinesthetic sensation:
- A.
  
  Sense of muscle tone.
- B.
  
  Momentary state of muscle contraction.
- C.
  
  Muscle length.
- D.
  
  Sense of joint movement.
6.

Regarding the cuneate pathway, which of the following is true:
- A.
  
  It transmits vibration sense.
- B.
  
  It transmits impulses from the inner aspect of the thigh.
- C.
  
  The crossing of the pathway fibers is mainly in the third order neuron.
- D.
  
  None of the above.
7.

Regarding thermal sensation, all the following is true except:
- A.
  
  Cold receptors can be stimulated above 45C.
- B.
  
  Hot pain receptors stimulated above 45C.
- C.
  
  Transmitted by dorsal column leminiscal pathway
- D.
  
  Temperature regulation is through hypothalamus