Medulla oblongata:
I:
is a part of the brain stem
II:
is a part of the hind brain
III:
is a part of the limbic system
1.
Only I and II
2.
Only I and III
3.
Only II and III
4.
I, II and III
Subtopic: Â Neuroanatomy |Â Hind & Mid Brain |
 85%
Level 1: 80%+
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Identify A, B, C and D in the diagrammatic representation of reflex action, showing knee jerk reflex:
| A | B | C | D | |
| 1. | Muscle spindle | Motor end plate | Afferent pathway | Efferent pathway |
| 2. | Muscle spindle | Motor end plate | Efferent pathway | Afferent pathway |
| 3 | Motor end plate | Muscle spindle | Efferent pathway | Afferent pathway |
| 4. | Motor end plate | Muscle spindle | Afferent pathway | Efferent pathway |
Subtopic: Â Hind & Mid Brain |
 76%
Level 2: 60%+
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Regarding the given diagram showing parts of an eye, identify the incorrect match:
| 1. | A | Major refractory surface |
| 2. | B | Accommodation |
| 3. | C | Regulates diameter of pupil |
| 4. | D | Point of highest visual acuity |
Subtopic: Â Sensory reception and Processing |
 71%
Level 2: 60%+
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Which structure enables the communication between the left and right cerebral hemispheres in the human brain?
1. Foramen of Monroe
2. Cerebral aqueduct of Sylvius
3. Corpus callosum
4. Cerebellar peduncles
1. Foramen of Monroe
2. Cerebral aqueduct of Sylvius
3. Corpus callosum
4. Cerebellar peduncles
Subtopic: Â Diencephalon |
 93%
Level 1: 80%+
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In the human eye:
| 1. | the choroid is avascular |
| 2. | lens is held in place by ligaments attached to the ciliary body |
| 3. | photopic vision and colour perception is a function of rods |
| 4. | aqueous humor has a gel-like consistency |
Subtopic: Â Sensory reception and Processing |
 81%
Level 1: 80%+
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Identify the incorrectly matched pair:
| 1. | Medulla oblongata | Gastric secretions |
| 2. | Hypothalamus | Control of body temperature |
| 3. | Limbic system | Behaviour |
| 4. | Association areas | Purely sensory areas in the cerebrum |
Subtopic: Â Diencephalon |
 75%
Level 2: 60%+
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What is the sensory part of the utricle and saccule in the internal ear?
1. Macula
2. Cupula
3. Crista
4. Organ of Corti
1. Macula
2. Cupula
3. Crista
4. Organ of Corti
Subtopic: Â Sensory reception and Processing |
 75%
Level 2: 60%+
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What restores the resting membrane potential of the axonal membrane at the site of excitation?
1. Influx of sodium ions
2. Efflux of sodium ions
3. Influx of potassium ions
4. Efflux of potassium ions
1. Influx of sodium ions
2. Efflux of sodium ions
3. Influx of potassium ions
4. Efflux of potassium ions
Subtopic: Â Origin of Resting Membrane Potential |Â Action Potential |
 58%
Level 3: 35%-60%
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The axonal membrane:
| 1. | is relatively more permeable to potassium ions than to sodium ions during its resting stage |
| 2. | is relatively more permeable to sodium ions than to potassium ions during its resting stage |
| 3. | is equally permeable to potassium ions and to sodium ions during its resting stage |
| 4. | is impermeable to potassium ions and to sodium ions during its resting stage |
Subtopic: Â Origin of Resting Membrane Potential |Â Action Potential |
 88%
Level 1: 80%+
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In the human ear:
| 1. | Tectorial membrane separates the scala vestibuli and scala media |
| 2. | Reissner’s membrane separates the scala media and the scala tympani |
| 3. | Basilar membrane lies over the hair cells of the organ of Corti |
| 4. | Tympanic membrane separates the external ear and the middle ear |
Subtopic: Â Mechanism of hearing |
 61%
Level 2: 60%+
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