Myopia

https://birleyplace.mmu.ac.uk/pre-learning-workbook/

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1. Define: Hyperopia:


2. Define: Myopia


3. Define: Astigmatism:

4. Define: Presbyopia:


1. What eye colour is produced by the most amount of pigment in the Iris

2. Too much near work, thereby forcing the crystalline lens of the eye to over accommodate without providing it with sufficient rest, can result in what?

3. An inherited disease which gradually devastates the rods of the Retina, thereby reducing night vision and ultimately resulting in “Tunnel” vision is known as what

4. As an increasing amount of light enters the eye, the pupil does what

5. What ocular tissue provides protection for the eye and serves as an attachment for the extraoccular muscles which move the eye


1. Name the three fluid chambers of the eye and where they are situated

2. Provide a definition of accommodation

3. Name the six extraoccular muscles

4. State the function of the Lacrimal glands.

5. Name the vessels that supply blood to the Cornea.


Explain the condition illustrated below and state how this could be corrected


Explain the condition illustrated below and state how this could be corrected


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Cataract

Glaucoma

Macular Degeneration

Amblyopia

This condition, also known as “lazy eye,” occurs when one eye is weaker than the other. Both eyes cannot blend an image.

Lazy eye usually starts at childhood, and can be corrected if detected and treated by the age of five.

By patching the strong eye, the weaker eye is forced to properly network to the brain, allowing it to become stronger.

Trachoma

Conjunctivitis (Pink Eye)


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List some of the possible general causes of hearing loss:-


List some of the causes of perforated eardrum:-


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Red blood cells with a high concentration of oxygen

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1. What is the main function of the respiratory system?

2. Name the microscopic hairs lining the respiratory tract.

3. How many lobes does the right lung contain?

4. How many lobes does the left lung contain?

5. Which main blood vessels carry blood to the lungs from the heart?


6. Which main blood vessels carry blood from the lungs to the heart?

7. What is the function of the pleura ?

8. Which structure closes off the trachea during swallowing?

9. What is the function of the goblet cells?

10. How thick is the average alveolar wall?


Describe, in a paragraph, the process of inspiration and expiration, the muscles used and the nerves which initiate and prohibitpulmonary ventilation.

List the main blood vesselsinvolved in the movement of deoxygenated blood to the lungs, and the movement of oxygenated bloodback to the heart.


What is the term for the active phase of respiration?

What is the passive phase termed?

Which muscles are used when inspiration is FORCED?

What is this a sign of?

Does the diaphragm move up or down during inspiration?

What is the main function of the respiratory system


What is meant by the term hypercarbia?

If carbon dioxide levels rise, what affect does this have on respiration?

What is meant by the term hypoxemia?

Where is the respiratory centre situated


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2) The brain has no venous system, how does the blood return to the Superior Vena Cava?


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Frontal lobe

Parental lobe

Occipital lobe

Temporal lobe


Primary motor area

Premotor area

Frontal association area

Broca’s area

Somatic sensory area

Gustatory area

Corpus callosum

Basal nuclei

Hypothalamus

Medulla oblongata

Reticular activating system

Cerebellum


Sympathetic

Parasympathetic


10) What is meant by the blood brain barrier?  What can cross the blood brain barrier?  What can not cross the barrier?


1) Midbrain

2) Pons Varoll

3) Medulla Oblongata



13) What is the spinal cord and its function?