Unit 15: Pupils

Question 1

What is normal a normal range for pupil size?

Answer 1

Both pupils should be 2-6mm

assess after the pupils have adjusted to room light

Question 2

Should both pupils be similar?

Answer 2

Both should be roughly the same size or shape under normal conditions

Question 3

Reactivity: Normal pupils

Answer 3

Pupils should constrict quickly when exposed to light, and dilate when the light source is removed.

Question 4

How do you test pupils?

Answer 4

Dim the lights (if possible) and move a light source from the outside of the pupil to the middle

Question 5

Pupil Appearance/Reactivity: Dilated

Answer 5

caused by fright, blood loss, drugs or eye drops

Question 6

Pupil Appearance/Reactivity: constricted

Answer 6

caused by drug treatments with eye drops

Question 7

Pupil Appearance/Reactivity: unequal

Answer 7

can be caused by stroke, head injury, eye injury. It can also just be an artificial eye.

Question 8

Pupil Appearance/Reactivity: Non-reactive

Answer 8

can caused by drugs, lack of oxygen to the brain, death

Question 9

Pupil Appearance/Reactivity: Sluggish

Answer 9

can be caused by brain swelling, brain injury, medications and drugs.

Question 10

What is PERL?

Answer 10

Pupils Equal and Reactive to Light

Question 11

What is ERL?

Answer 11

Equal and Reactive to Light

Question 12

How do you record Pupil Presentation?

Answer 12

Record time on the 24hr clock, document the size, symmetry and reactivity of the pupils
*use PERL if the pupils are equal and reactive to light
Ex: 0845hrs -PERL at 4mm
Ex: 2215hrs -pinpoint and reactive to light at 6mm