M9.1 and 9.2 Cat B

Light first enters the eye through?

• lens

• cornea
• pupil

• retina

The process by which visual targets are brought into sharp focus on the retina is called

• Refraction
• Dilation
• Convergence
• Accommodation

The nerve which carries the nerve impulses involved in hearing sound is

• Visual nerve
• Olfactory nerve
• Optic nerve

• Auditory nerve

When information is being processed by our brains the first stage is

• Interpretation

• Perception

• Storing
• Response

Divided attention is needed when

• People must monitor several sources of information to perform a single task

• People are required to remain alert to stimuli over prolonged periods of time.

• Being completely relaxed and unfocused
• People are required to do more than one task at a time.

Information is easiest to retrieve from

• short-term memory
• working memory
• sensory memory
• long-term memory

What is the SHEL model based on?

• Software, Hardware, Economics and Logistics.

• Software, Hardware, Energy, and Livestock
• Software, Hardware, Environment, and Liveware
• Software, Hardware, Ergonomics and Liveware

Long term memory is classified into two types, semantic and episodic of which:

• semantic memory tends to be lost in cases of amnesia.

• episodic memory lasts between 5 and 10 seconds.

• episodic memory can be influenced by expectations as to what should happen.

What purpose do the rods in the eye serve?

• They detect fine detail in poor light.

• They detect colour in good light.

• They help with vision in low light conditions and peripheral vision.
• They assist with muscle movement in the eye

The technical term for long sight is:

• Myopia

• Hypermetropia

• Binocular vision