- 1(current)
Q. No.Nissl bodies are mainly composed of:
| 1. | Proteins and lipids | 2. | DNA and RNA |
| 3. | Nucleic acids and SER | 4. | Free ribosomes and RER |
Myelin sheath is produced by:
| 1. | Astrocytes and Schwann cells |
| 2. | Oligodendrocytes and Osteoclasts |
| 3. | Osteoclasts and Astrocytes |
| 4. | Schwann cells and Oligodendrocytes |
Receptor sites for neurotransmitters are present on:
| 1. | Pre-synaptic membrane | 2. | Tips of axons |
| 3. | Post-synaptic membrane | 4. | Membrane of synaptic vesicles |
A diagram showing the axon terminal and synapse is given. Identify correctly at least two of A-D:
1. B- Synaptic connection; D- K+
2. A- Neurotransmitter; B- Synaptic cleft
3. C- Neurotransmitter; D- Ca++
4. A- Receptor; C- Synaptic vesicles
| List-I | List-II | ||
| A. | Pons | I. | Provides additional space for Neurons, regulates posture and balance |
| B. | Hypothalamus | II. | Controls respiration and gastric secretions |
| C. | Medulla | III. | Connects different regions of the brain |
| D. | Cerebellum | IV. | Neuro secretory cells |
| 1. | A-III, B-IV, C-II, D-I | 2. | A-I, B-III, C-II, D-IV |
| 3. | A-II, B-I, C-III, D-IV | 4. | A-II, B-III, C-I, D-IV |
1. Mid-brain, Pons and Medulla Oblongata
2. Forebrain, Cerebellum and Pons
3. Thalamus, Hypothalamus and Corpora quadrigemina
4. Amygdala, Hippocampus and Corpus Callosum
Which of the following regions of the brain is incorrectly paired with its function?
| 1. | Medulla oblongata-Homeostatic control |
| 2. | Cerebellum-Language comprehension |
| 3. | Corpus callosum-Communication between the left and right cerebral cortices |
| 4. | Cerebrum-Calculation and contemplation |
Injury localized to the hypothalamus would most likely disrupt:
1. short-term memory
2. co-ordination during locomotion
3. executive functions, such as decision making
4. regulation of body temperature
The human hindbrain comprises three parts, one of which is:
| 1. | Cerebellum | 2. | Hypothalamus |
| 3. | Spinal | 4. | Corpus callosum |
Destruction of the anterior horn cells of the spinal cord would result in loss of?
1. Sensory impulses
2. Voluntary motor impulses
3. Commissural impulses
4. Integrating impulses
- 1(current)
Q. No.
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