Home › Quizzes › Human Physiology: Nervous System and Metabolism

Human Physiology: Nervous System and Metabolism

Test your knowledge of nervous system physiology, sensory pathways, neural development, and calcium/phosphate metabolism for medical aspirants.

13 Questions Published
Play Quiz Practise this topic out loud

Questions

Question 1 Multiple Choice (Single Answer)

Which of the following statements regarding the development of the nervous system in humans is not true?

  1. The neural crest gives rise to the dorsal root ganglia.
  2. The nervous system develops with the formation of the neural plate.
  3. The folding of the neural tube forms the mature central nervous system (CNS).
  4. The CSF is formed continuously by the choroid plexus.
  5. Neurogenesis stops after complete fetus development.
Question 2 Multiple Choice (Single Answer)

What is Enteric nervous system?

  1. It is a complicated assimilate network of neurons in the wall of the gut.
  2. It is controlled by the CNS
  3. It is made up of Meissner's and Auerbach's plexuses.
  4. It regulates the local activity of the gut.
  5. The enteric nervous system develops from neural crest.
Question 3 Multiple Choice (Single Answer)

A 43-year-old lady has some facial weakness, a poor cough and weakness of the arms and legs with no reflexes and a loss of feeling to light touch and pin-prick to the wrist and ankle. She must be suffering from

  1. motor neurone disease
  2. Guillain Barre syndrome
  3. spinal cord compression
  4. myasthenia gravis
  5. Campylobacter jejuni
Question 4 Multiple Choice (Single Answer)

Which of the following sensory pathways carries light touch and proprioception?

  1. Medial lemniscus
  2. Lateral lemniscus
  3. Spinothalamic tract
  4. Chorda tympani
  5. Corticospinal tract
Question 5 Multiple Choice (Single Answer)

Damage to which structure may cause a deficit in memory?

  1. Basal nucleus of Meynert
  2. Substantia nigra
  3. Mammillary bodies
  4. Subthalamic nucleus
  5. Right posterior parietal cortex
Question 6 Multiple Choice (Single Answer)

Which of the following statements regarding nerve conduction and synaptic integration is incorrect?

  1. The synaptic inputs are then associated with the postsynaptic cell.
  2. The action potential on entering the synapse causes the release of neurotransmitters.
  3. The binding of neurotransmitters with the pre and post synaptic membranes cause the change in membrane potential.
  4. In myelinated neurons, the action potential acts at node of Ranvier .
  5. Neurotransmitters gets activated at the synaptic junction.
Question 7 Multiple Choice (Single Answer)

Which of the following does not characterise the blood supply of the central nervous system?

  1. The vertebrobasilar system which constitutes the anterior circulation.
  2. At the core of the brain, the arteries form the circle of Willis.
  3. Abnormalities of blood flow in the carotid arteries frequently leads to the problems in the cerebral hemisphere .
  4. Abnormalities of blood flow in the vertebral arteries frequently leads to the defects in brainstem, cerebellum and posterior parts of the brain.
  5. Thrombus and emboli are the chief causes of blood flow obstructions in the brain.
Question 8 Multiple Choice (Single Answer)

Which of the following statements is incorrect regarding the regulation of calcium and phosphate?

  1. Parathyroid hormone stimulates osteoblasts.
  2. Vitamin D increases calcium absorption from the gut .
  3. Parathyroid hormone promotes phosphate excretion.
  4. Parathyroid hormone is released when there is fall in ionised calcium in the blood.
  5. Parathyroid hormone decelerates vitamin D production in the kidney.
Question 9 Multiple Choice (Single Answer)

Select the incorrect statement regarding the spinal cord.

  1. Sensory information on pain and temperature is delivered by the spinothalamic system .
  2. Sensory information is transmitted up the dorsal column system.
  3. The corticospinal tract is mainly implicated with regular distal motor control.
  4. The cervical spinal cord stimulates the arms.
  5. The spinal cord is highly organized with decending sensory pathways.
Question 10 Multiple Choice (Single Answer)

Which of the following thalamic nuclei is most associated with the visual system?

  1. LGN nucleus
  2. MGN nucleus
  3. VAN nucleus
  4. MD nucleus
  5. VPL nucleus
Question 11 Multiple Choice (Single Answer)

Which among the following does not characterise metabolic acidosis?

  1. In metabolic acidosis, pH is low.
  2. The anion gap is the calculated difference between the measured cations and the measured anions .
  3. An increased anion gap metabolic acidosis indicates the accumulation ketoacids or lactic acid.
  4. To maintain electroneutrality , the level of cations must be decreased.
  5. A normal anion gap metabolic acidosis indicates loss of bicarbonate.
Question 12 Multiple Choice (Single Answer)

Which of the following can cause of hypercalcemia in an individual?

  1. Primary hyperparathryoidism
  2. Secondary hyperparathyroidism
  3. Hypovitaminosis of vitamin D
  4. Chovstek's syndrome
  5. Acute pancreatitis
Question 13 Multiple Choice (Single Answer)

Aditi is a patient with substantial plasma hyperphosphatemia. Which of the following may not be true in her case?

  1. The most likely cause is renal impairment.
  2. Reduction of dietary intake of phosphate may be helpful in renal failure condition.
  3. Soft tissue calcification may occur.
  4. Cell lysis is a possible cause.
  5. Dialysis cannot remove phosphate and is of no benefit.
← Back to Quizzes