L19 Active learning - Brain and behaviour

Question 1

Which of the following substances will be able to cross the blood brain barrier in an unregulated manner?
Insulin, glucose, glutamate, Na+, O2.

Answer 1

Oxygen

Question 2

A damaged blood vessel in the midbrain leads to the death of some neuronal cell bodies in the brain region. Which of the following may be affected?
i) Processing of visual information
ii) Processing of olfactory information
iii) Regulation of heart rate
iv) Regulation of some voluntary movements

Answer 2

i) and iv).

Question 3

While a subject is undergoing functional magnetic resonance imaging, they are asked to differentiate between an apple and a banana by holding them in their hands. Which region of the brain will show the most activity?
1. Cingulate gyrus
2. Medial aspect of the temporal lobe
3. Occipital lobe
4. Post-central gyrus of the parietal lobe
5. Pre-central gyrus of the frontal lobe.

Answer 3

4.

Question 4

Peripheral nervous system ganglia contain:

1. the cell bodies of peripheral neurons
2. mainly astrocytes and microglia
3. the cell bodies of autonomic pre-ganglionic neurons
4. the cell bodies of somatic motor neurons
5. the axonal terminals of peripheral neurons

Answer 4

1. The cell bodies of peripheral neurons.

Question 5

Which stage of sleep does the following description match? No skeletal muscle activity and an increase in body temperature and metabolic activity.

Stage 1

Stage 2

Stage 3

Stage 4

Stage 5

Answer 5

Stage 5

Question 6

Which of the following best describes the properties of EEG?

High temporal and high spatial resolution

Low temporal and low spatial resolution

High temporal but low spatial resolution

Low temporal but high spatial resolution

Answer 6

High temporal but low spatial resolution.