Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Methods Block 10 > BIO > Flashcards

BIO Flashcards

1
Q

What does placing the lens in front of the eye cause the image to do in BIO

A

Makes the eye highly myopic

A real, inverted, and laterally inverted image is formed in front of the lens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Where is the image formed in BIO

A

Close to the principle focus of the lens, between the lens and the observer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the first thing you do in BIO

A

Explain procedures and wash your hands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the advantage of using a higher powered condensing lens in BIO

A

Higher power lenses offer greater FOV and can aid with examination through small pupils

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What does the power of the condensing lens determine

A

Working distance
Magnification
FOV

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What happens to working distance, mag, and FOV when the power of the condensing lens decreases

A

FOV decreases

working distance and mag increase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

+30 magnification

A

2x

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

+30 FOV

A

60 deg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Stereopsis of a +30 lens

A

1/2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Working distance from cornea with a +30

A

26mm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Mag of 20+

A

3.25X

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

FOV of +20

A

40 deg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Stereopsis with a +20

A

3/4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Working distance of +20

A

47mm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Mag of a +14/15 lens

A

4.17x

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

FOV of a +14/15 lens

A

30 deg

17
Q

Stereopsis of a +14/15 lens

A

1

18
Q

Working distance from cornea with a +14/15 lens

A

72mm

19
Q

Used to obtain a panoramic view when detail and stereopsis are not as important, and used with small pupil

A

30D

20
Q

Which condensing lens has the shortest working distance

A

+30

21
Q

Most widely used condensing lens since it provides an adequate FOV, stereopsis and magnification

A

20D

22
Q

Most useful for detailed view of the macula or optic disc or for determining elevation of the retina in shallow retinal detachment

A

15D

23
Q

What is the room lighting that is best for BIO

A

Dark enough to achieve sufficient contrast, avoid too much ambient light

24
Q

What light should you begin with in BIO

A

Not the brightest one. Once the patient is accustomed to the light, you can gradually turn it up to double check a selected area

25
Q

What order should you do BIO in

A

Have a sequential system, begin by looking in one quadrant, then proceed to the next

Methods Block 10 (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions