Question 1

The total magnification of a specimen can be calculated by multiplying the ocular lens magnification by the ________ lens magnification.

Accepted Answer

A)  low power 
B)  scanning 
C)  high power 
D)  objective 
A)  low power 
B)  scanning 
C)  high power 
D)  objective D

Question 2

The ________ lens is known as the oil immersion lens.

Accepted Answer

A)  4× 
B)  10× 
C)  40× 
D)  100× 
A)  4× 
B)  10× 
C)  40× 
D)  100× D

Question 3

The distance between the objective lens and the microscope stage is called the ________.

Accepted Answer

A)  mechanical stage 
B)  working distance 
C)  resolving power 
D)  total magnification 
A)  mechanical stage 
B)  working distance 
C)  resolving power 
D)  total magnification B

Question 4

All microscope lenses should be cleaned with ________.

Accepted Answer

A)  lens paper 
B)  tissue paper 
C)  paper 
D)  paper towels 
A)  lens paper 
B)  tissue paper 
C)  paper 
D)  paper towels

Question 5

As the coarse adjustment knob is turned,the stage (or in some cases the nosepiece)________.

Accepted Answer

A)  remains stationary 
B)  moves forward or backward 
C)  moves up or down, depending on the direction that the knob is turned 
D)  moves left or right, depending on the direction that the knob is turned 
A)  remains stationary 
B)  moves forward or backward 
C)  moves up or down, depending on the direction that the knob is turned 
D)  moves left or right, depending on the direction that the knob is turned

Question 6

The ________ is a revolving structure that holds the objective lenses.

Accepted Answer

A)  coarse adjustment knob 
B)  nosepiece 
C)  mechanical stage control knobs 
D)  fine adjustment knob 
A)  coarse adjustment knob 
B)  nosepiece 
C)  mechanical stage control knobs 
D)  fine adjustment knob

Question 7

The coarse and fine adjustment knobs are used to ________.

Accepted Answer

A)  nosepiece 
B)  make initial and subsequent focusing adjustments when viewing a specimen. 
C)  secure the specimen on the stage 
D)  illuminate the specimen 
A)  nosepiece 
B)  make initial and subsequent focusing adjustments when viewing a specimen. 
C)  secure the specimen on the stage 
D)  illuminate the specimen

Question 8

The proper way to carry a microscope is in front of your body with one hand gripping the ________ and the other hand supporting the ________.

Accepted Answer

A)  arm; base 
B)  head; stage 
C)  objective lenses; base 
D)  ocular lenses; arm 
A)  arm; base 
B)  head; stage 
C)  objective lenses; base 
D)  ocular lenses; arm

Question 9

Assume a structure within a specimen fills approximately 25 percent of the diameter of the field of view.If the field diameter is known to be 3.5 mm,calculate the size of the structure.

Accepted Answer

A)  0.14 mm 
B)  14 mm 
C)  0.875 mm 
D)  0.0875 mm 
A)  0.14 mm 
B)  14 mm 
C)  0.875 mm 
D)  0.0875 mm

Question 10

Calculate the total magnification of a specimen if the magnification of the ocular lens is 10× and the magnification of the objective lens is 45×.

Accepted Answer

A)  450× 
B)  4.5× 
C)  45× 
D)  4500× 
A)  450× 
B)  4.5× 
C)  45× 
D)  4500×

Question 11

If a microscope is ________,then the user will not have to make adjustments to focus the specimen when switching between objective lenses.

Accepted Answer

A)  compound 
B)  binocular 
C)  parfocal 
D)  monocular 
A)  compound 
B)  binocular 
C)  parfocal 
D)  monocular

Question 12

If a student uses a parfocal compound light microscope,which of the following would be true?

Accepted Answer

A)  The focus will have to be adjusted using the mechanical stage control knob. 
B)  After the initial focus adjustments are made, the image should remain in focus as the specimen is viewed with each objective lens. 
C)  The focus will have to be adjusted using the coarse adjustment knob. 
D)  The focus will have to be adjusted using the fine adjustment knob. 
A)  The focus will have to be adjusted using the mechanical stage control knob. 
B)  After the initial focus adjustments are made, the image should remain in focus as the specimen is viewed with each objective lens. 
C)  The focus will have to be adjusted using the coarse adjustment knob. 
D)  The focus will have to be adjusted using the fine adjustment knob.

Question 13

At a total magnification of 100×,the diameter of the field of view is 6 mm.If the total magnification is increased to 1000×,the diameter of the field of view is ________.

Accepted Answer

A)  0.6 mm 
B)  0.06 mm 
C)  60 mm 
D)  600 mm 
A)  0.6 mm 
B)  0.06 mm 
C)  60 mm 
D)  600 mm

Question 14

Inversion of image means that when viewing a specimen with a light microscope,the image that you see will be ________ and ________.

Accepted Answer

A)  distorted; magnified 
B)  magnified; inverted 
C)  inverted; reversed 
D)  magnified; reversed 
A)  distorted; magnified 
B)  magnified; inverted 
C)  inverted; reversed 
D)  magnified; reversed

Question 15

As the user switches to a higher-power lens to increase total magnification,the field of view ________.

Accepted Answer

A)  decreases 
B)  decreases 4× 
C)  increases 
D)  remains the same 
A)  decreases 
B)  decreases 4× 
C)  increases 
D)  remains the same

Question 16

If the microscope is not parfocal,the user should make focusing adjustments using the ________ adjustment knob when viewing a specimen under high power.

Accepted Answer

A)  coarse 
B)  condenser 
C)  stage 
D)  fine 
A)  coarse 
B)  condenser 
C)  stage 
D)  fine

Question 17

The ________ controls the brightness of the light emitted from the substage light source.

Accepted Answer

A)  iris diaphragm 
B)  stage 
C)  mechanical stage 
D)  condenser lens 
A)  iris diaphragm 
B)  stage 
C)  mechanical stage 
D)  condenser lens

Question 18

The ability to distinguish close objects as separate and distinct is known as ________.

Accepted Answer

A)  working distance 
B)  field of view 
C)  resolving power 
D)  depth of field 
A)  working distance 
B)  field of view 
C)  resolving power 
D)  depth of field

Question 19

To avoid damaging a lens or breaking a slide,the user should always begin viewing a specimen with the ________ power objective lens.

Accepted Answer

A)  medium 
B)  lowest 
C)  oil immersion 
D)  highest 
A)  medium 
B)  lowest 
C)  oil immersion 
D)  highest

Question 20

As the resolving power of the objective lens increases,the working distance ________.

Accepted Answer

A)  increases 
B)  decreases 
C)  increases by a factor of 10 
D)  remains the same 
A)  increases 
B)  decreases 
C)  increases by a factor of 10 
D)  remains the same

Exam 2: Care and Use of the Compound Light Microscope

The total magnification of a specimen can be calculated by multiplying the ocular lens magnification by the ________ lens magnification.

The ________ lens is known as the oil immersion lens.

The distance between the objective lens and the microscope stage is called the ________.

All microscope lenses should be cleaned with ________.

As the coarse adjustment knob is turned,the stage (or in some cases the nosepiece)________.

The ________ is a revolving structure that holds the objective lenses.

The coarse and fine adjustment knobs are used to ________.

The proper way to carry a microscope is in front of your body with one hand gripping the ________ and the other hand supporting the ________.

Assume a structure within a specimen fills approximately 25 percent of the diameter of the field of view.If the field diameter is known to be 3.5 mm,calculate the size of the structure.

Calculate the total magnification of a specimen if the magnification of the ocular lens is 10× and the magnification of the objective lens is 45×.

If a microscope is ________,then the user will not have to make adjustments to focus the specimen when switching between objective lenses.

If a student uses a parfocal compound light microscope,which of the following would be true?

At a total magnification of 100×,the diameter of the field of view is 6 mm.If the total magnification is increased to 1000×,the diameter of the field of view is ________.

Inversion of image means that when viewing a specimen with a light microscope,the image that you see will be ________ and ________.

As the user switches to a higher-power lens to increase total magnification,the field of view ________.

If the microscope is not parfocal,the user should make focusing adjustments using the ________ adjustment knob when viewing a specimen under high power.

The ________ controls the brightness of the light emitted from the substage light source.

The ability to distinguish close objects as separate and distinct is known as ________.

To avoid damaging a lens or breaking a slide,the user should always begin viewing a specimen with the ________ power objective lens.

As the resolving power of the objective lens increases,the working distance ________.

Body Organization and Terminology

Cell Structure and Cell Division

Membrane Transport

Tissues

The Integumentary System

Introduction to the Skeletal System and the Axial Skeleton

The Appendicular Skeleton

Articulations

Introduction to Skeletal Muscle

Muscles of the Head, Neck, and Trunk

Muscles of the Upper and Lower Limbs

Physiology of the Muscular System

Nervous Tissue

The Brain and Cranial Nerves

The Spinal Cord and Spinal Nerves

Human Reflex Physiology

Special Senses

The Endocrine System

Blood Cells

Gross Anatomy of the Heart

Anatomy of Blood Vessels

Cardiovascular Physiology

The Lymphatic System

Anatomy of the Respiratory System

Respiratory Physiology

Anatomy of the Digestive System

Actions of a Digestive Enzyme

Anatomy of the Urinary System

Urinary Physiology

The Male Reproductive System

The Female Reproductive System

Filters

The proper way to carry a microscope is in front of your body with one hand gripping the and the other hand supporting the .

Inversion of image means that when viewing a specimen with a light microscope,the image that you see will be and .