Question 1

-The "f" marks the ________.

Accepted Answer

A) condenser 
B) substage light 
C) iris diaphragm 
D) revolving nosepiece 
A) condenser 
B) substage light 
C) iris diaphragm 
D) revolving nosepiece

Question 2

You should allow the microscope to cool before storing it because ________.

Accepted Answer

A) its motor and light are warm and a student could get injured 
B) it is easier to clean when cool 
C) it will extend the life of the expensive bulb 
D) it will prevent the motor from burning out 
A) its motor and light are warm and a student could get injured 
B) it is easier to clean when cool 
C) it will extend the life of the expensive bulb 
D) it will prevent the motor from burning out

Question 3

As total magnification increases, the working distance ________.

Accepted Answer

A) stays the same 
B) decreases 
C) increases 
A) stays the same 
B) decreases 
C) increases

Question 4

Calculate the total magnification of a specimen when using a standard ocular lens and a scanning objective lens.

Accepted Answer

A) 40X 
B) 4X 
C) 100X 
D) 400X 
A) 40X 
B) 4X 
C) 100X 
D) 400X

Question 5

What part of the microscope regulates the amount of light that passes through the slide?

Accepted Answer

A) Fine adjustment knob 
B) Condenser 
C) Substage light 
D) Iris diaphragm 
A) Fine adjustment knob 
B) Condenser 
C) Substage light 
D) Iris diaphragm

Question 6

-The "b" marks the ________.

Accepted Answer

A) objective lens 
B) revolving nosepiece 
C) arm 
D) ocular lens 
A) objective lens 
B) revolving nosepiece 
C) arm 
D) ocular lens

Question 7

On what part of the microscope are the objectives lenses located?

Accepted Answer

A) Body tube 
B) Stage 
C) Base 
D) Rotating nosepiece 
A) Body tube 
B) Stage 
C) Base 
D) Rotating nosepiece

Question 8

What variables would you need to calculate the cross-sectional area of a blood vessel?

Accepted Answer

A) Field diameter 
B) Total magnification. 
C) Both field diameter and total magnification 
D) Neither field diameter nor total magnification 
A) Field diameter 
B) Total magnification. 
C) Both field diameter and total magnification 
D) Neither field diameter nor total magnification

Question 9

Which statement best describes what a letter viewed under the microscope would look like?

Accepted Answer

A) Same as with the naked eye 
B) Sideways and right to left 
C) Upside down and backward 
D) Upside down, but still left to right 
A) Same as with the naked eye 
B) Sideways and right to left 
C) Upside down and backward 
D) Upside down, but still left to right

Question 10

What part of a microscope anchors the objective lens to the head of the microscope?

Accepted Answer

A) Base 
B) Revolving nosepiece 
C) Arm 
D) Stage 
A) Base 
B) Revolving nosepiece 
C) Arm 
D) Stage

Question 11

If you decrease the total magnification, the depth of the field ________.

Accepted Answer

A) decreases 
B) stays the same 
C) increases 
A) decreases 
B) stays the same 
C) increases

Question 12

Explain why the field diameter decreases with increasing magnification.

Accepted Answer

A) The lens is closer to the specimen and less of the specimen can be illuminated. 
B) Increasing magnification decreases the working distance rather than the field diameter. 
C) Using the oil-immersion lens limits the ability to illuminate a specimen at high power. 
D) Parfocal microscopes gain the ability to stay in focus when changing objective lenses. 
A) The lens is closer to the specimen and less of the specimen can be illuminated. 
B) Increasing magnification decreases the working distance rather than the field diameter. 
C) Using the oil-immersion lens limits the ability to illuminate a specimen at high power. 
D) Parfocal microscopes gain the ability to stay in focus when changing objective lenses.

Question 13

How would you calculate total magnification?

Accepted Answer

A) Divide the ocular lens magnification by the objective lens magnification 
B) Multiply magnification of the ocular lens times that of the objective lens 
C) Add together the ocular and objective magnifications 
D) Divide the objective lens magnification by the ocular lens magnification 
A) Divide the ocular lens magnification by the objective lens magnification 
B) Multiply magnification of the ocular lens times that of the objective lens 
C) Add together the ocular and objective magnifications 
D) Divide the objective lens magnification by the ocular lens magnification

Question 14

What is the total magnification when using the oil-immersion objective to view a structure?

Accepted Answer

A) 400× 
B) 40× 
C) 1000× 
D) 100× 
A) 400× 
B) 40× 
C) 1000× 
D) 100×

Question 15

-Identify the microscope part labeled by the letter "k."

Accepted Answer

A) Coarse adjustment knob 
B) Substage light 
C) Fine adjustment knob 
D) Iris diaphragm lever 
A) Coarse adjustment knob 
B) Substage light 
C) Fine adjustment knob 
D) Iris diaphragm lever

Question 16

Convert 4 mm into μm.

Accepted Answer

A) 0)04 μm 
B) 0)004 μm 
C) 4000 μm 
D) 400 μm 
A) 0)04 μm 
B) 0)004 μm 
C) 4000 μm 
D) 400 μm

Question 17

When transporting the microscope one hand should support the ________ and the other should support the ________.

Accepted Answer

A) condenser; stage 
B) head; base 
C) arm; base 
D) stage; arm 
A) condenser; stage 
B) head; base 
C) arm; base 
D) stage; arm

Question 18

Which objective lens should be used to examine the entire wall of an organ from the exterior to the lumen?

Accepted Answer

A) Scanning objective 
B) Low power 
C) High power 
D) Oil-immersion 
A) Scanning objective 
B) Low power 
C) High power 
D) Oil-immersion

Question 19

What is the depth of field?

Accepted Answer

A) The thickness of the specimen that is in sharp focus 
B) How easily focused the specimen is between two different magnifications 
C) The length of the specimen when viewed with the scanning objective lens 
D) How wide the view is through the lens 
A) The thickness of the specimen that is in sharp focus 
B) How easily focused the specimen is between two different magnifications 
C) The length of the specimen when viewed with the scanning objective lens 
D) How wide the view is through the lens

Question 20

-The "l" marks the ________.

Accepted Answer

A) fine adjustment knob 
B) light control 
C) coarse adjustment knob 
D) substage light 
A) fine adjustment knob 
B) light control 
C) coarse adjustment knob 
D) substage light

Exam 4: The Microscope

-The "f" marks the ________.

You should allow the microscope to cool before storing it because ________.

As total magnification increases, the working distance ________.

Calculate the total magnification of a specimen when using a standard ocular lens and a scanning objective lens.

What part of the microscope regulates the amount of light that passes through the slide?

-The "b" marks the ________.

On what part of the microscope are the objectives lenses located?

What variables would you need to calculate the cross-sectional area of a blood vessel?

Which statement best describes what a letter viewed under the microscope would look like?

What part of a microscope anchors the objective lens to the head of the microscope?

If you decrease the total magnification, the depth of the field ________.

Explain why the field diameter decreases with increasing magnification.

How would you calculate total magnification?

What is the total magnification when using the oil-immersion objective to view a structure?

-Identify the microscope part labeled by the letter "k."

Convert 4 mm into μm.

When transporting the microscope one hand should support the ________ and the other should support the ________.

Which objective lens should be used to examine the entire wall of an organ from the exterior to the lumen?

What is the depth of field?

-The "l" marks the ________.

Introduction to Anatomy and Physiology

Introduction to the Organ Systems

Chemistry

The Cell

Histology

The Integumentary System

Introduction to the Skeletal System

The Axial Skeleton

The Appendicular Skeleton

Joints

Introduction to the Muscular System: Muscle Tissue

Gross Anatomy of the Muscular System

Introduction to the Nervous System

The Central Nervous System: Brain and Spinal Cord

The Peripheral Nervous System: Nerves and Autonomic Nervous System

General and Special Senses

The Endocrine System

Blood

Anatomy of the Heart

Physiology of the Heart

Anatomy of Blood Vessels

Circulatory Pathways and the Physiology of Blood Vessels

The Lymphatic System

Anatomy of the Respiratory System

Physiology of the Respiratory System

Anatomy of the Digestive System

Physiology of the Digestive System

Anatomy of the Urinary System

Physiology of the Urinary System

Reproductive and Development

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When transporting the microscope one hand should support the and the other should support the .