GIT and CNS Physiology MCQs – 4 MCQs | Kenya MBChB

4 Year 2: GIT Physiology exam questions on GIT and CNS Physiology MCQs for medical students. Includes MCQs, answers, explanations and written questions. Sample:

This MCQ set contains 4 questions on GIT and CNS Physiology MCQs in the Year 2: GIT Physiology unit. Each question includes the correct answer and a detailed explanation for active recall and exam preparation.

Q1: Which of the following mechanisms is currently implicated in learning and memory?

  1. A. Modulation of release of neurotransmitters in postsynaptic neurons
  2. B. Modulation of neurotransmitter receptor synthesis
  3. C. Formation of new neurons
  4. D. Spatial organization of association areas E. All of the above

Correct answer: A – Modulation of release of neurotransmitters in postsynaptic neurons

Q2: Which statement is false about the basal ganglia?

  1. A. Basal ganglia are gray matter structures deep within the white matter
  2. B. Pathologies result in movement disorders
  3. C. The basal ganglia initiate and maintain motor output D. The basal ganglia output is excitatory
  4. D. The basal ganglia project to areas involved in motor control and cognition

Correct answer: A – Basal ganglia are gray matter structures deep within the white matter

Q3: β (Beta) waves of the EEG:

  1. A. Are observed during relaxed wakeful state
  2. B. Are faster than alpha waves but slower than theta waves
  3. C. Disappear when the person becomes alert D. Are observed during REM sleep
  4. D. Mostly on the occipital lobe

Correct answer: A – Are observed during relaxed wakeful state

Q4: The prefrontal area is concerned with all the following, except:

  1. A. Adjusting behavior
  2. B. Motor guidance within the surrounding environment C. Planning timing of movements
  3. C. Recall of memories
  4. D. Decision making

Correct answer: A – Adjusting behavior

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