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MCQs

Total Questions : 91 | Page 4 of 10 pages
Question 31. Information is coded in the form of fast moving impulse in which types of cells?
  1.    epithelial
  2.    endothelial
  3.    neurons
  4.    hepatocytes
 Discuss Question
Answer: Option C. -> neurons
Answer: (c).neurons
Question 32. The information is forwarded from the neuron through which part?
  1.    axon
  2.    soma
  3.    dendrites
  4.    nucleus
 Discuss Question
Answer: Option A. -> axon
Answer: (a).axon
Question 33. Membrane potential is present only in nerve cells.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 34. Which part of a neuron receives information from other neurons?
  1.    cell body
  2.    axon
  3.    dendrites
  4.    myelin sheath
 Discuss Question
Answer: Option C. -> dendrites
Answer: (c).dendrites
Question 35. Myelin sheath is composed mainly of _____________
  1.    proteins
  2.    lipids
  3.    nucleic acids
  4.    cholesterol
 Discuss Question
Answer: Option B. -> lipids
Answer: (b).lipids
Question 36. Saltatory conduction occurs due to _______________
  1.    axon hillock
  2.    soma
  3.    myelin sheath
  4.    nodes of ranvier
 Discuss Question
Answer: Option C. -> myelin sheath
Answer: (c).myelin sheath
Question 37. Action potential can only flow in the forward direction.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 38. Local anesthetics act by _____________ the ion channels.
  1.    inactivating
  2.    opening
  3.    closing
  4.    mutating
 Discuss Question
Answer: Option C. -> closing
Answer: (c).closing
Question 39. The lipids present in cell membrane are _____________
  1.    Polar
  2.    Non- polar
  3.    Charged
  4.    Ampipathic
 Discuss Question
Answer: Option D. -> Ampipathic
Answer: (d).Ampipathic
Question 40. The model of a lipid bilayer lined by a layer of protein molecules on both sides was put forward by _____
  1.    Davson and Danielli
  2.    Singer and Nicolson
  3.    Watson and Crick
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Davson and Danielli
Answer: (a).Davson and Danielli

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