Unit Four Exam: Ch 11, 12, & 13

Question 1

What is another name for a 1 cc syringe?

Answer 1

Tuberculin syringe

Question 2

What helps to minimize red blood cell trauma during blood collection?

Answer 2

A large diameter needle

Question 3

What is the relationship between gauge number and needle diameter?

Answer 3

The larger the gauge, the smaller the needle

Question 4

What is a test used for detecting pinworms of the Syphacia species?
A- centrifugation
B- urinalysis
C- cellophane tape test
D- hematocrit testing

Answer 4

C- Cellophane tape test

Question 5

Which of the following is FALSE about the difference between arterial and venous catheterization?
A- arterial catheterization is more painful than venous catheterization
B- the main use of arterial catheterization is to measure blood pressure
C- venous catheterization requires anesthesia
D- arteries are more difficult to puncture than veins

Answer 5

C- venous catheterization requires anesthesia

Question 6

Why is gastric garage especially effective for rodents and rabbits?

Answer 6

They are unable to regurgitate stomach contents

Question 7

What does coagulation refer to?

Answer 7

Clotting of blood

Question 8

What does hemolysis refer to?

Answer 8

Breaking apart of blood cells

Question 9

What test is used to determine anemia?

Answer 9

Hematocrit

Question 10

Which of the following is FALSE about endotracheal intubation?
A- it is valuable if resuscitation is needed during surgery
B- an animal must be anesthetized for the tube to be inserted
C- during tube removal, the cuff that holds the tube in place must stay inflated
D- correct placemat of the tube must be verified

Answer 10

C- during tube removal, the cuff that holds the tube in place must stay inflated

Question 11

How full should a sharps container be when disposed of?

Answer 11

2/3 full

Question 12

Which of the following allows for the measurement of food and water intake and feces and urine output?
A- sterotaxic apparatus
B- metabolism cages
C- computed tomography
D- growth chambers

Answer 12

B- metabolism cages

Question 13

Which animals are most often used for acute toxicity studies for drugs?

Answer 13

Rodents and rabbits

Question 14

What are segment III studies designed to evaluate in reproductive/developmental testing?

Answer 14

Toxicity in newborn pups

Question 15

Which of the following is NOT a type of radiation exposure used to induce immuodeficiencies?
A- single exposure
B- low-dose semicontinuous radiation
C- high-dose semicontinuous radiation
D- partial-body radiation

Answer 15

C- high-dose semicontinuous radiation

Question 16

Which of the following animals are able to synthesize their own vitamin C?
A- nonhuman images
B- rats
C- guinea pigs
D- all of the above

Answer 16

B- rats

Question 17

What is the most common method for inducing immunodeficiency?

Answer 17

Genetic manipulation

Question 18

What type of cells do nude mice lack?

Answer 18

T cells

Question 19

Which mouse strain lacks both B and T cells?
A- beige
B- SCID
C- XID
D- CBA/N

Answer 19

B- SCID

Question 20

Which mouse stain lacks NK cells?
A- CBA/N
B- SCID
C- XID
D- Beige

Answer 20

D- Beige

Question 21

What is the most common type of irradiation equipment for experimental purposes?
A- uranium irradiators that use iron and copper
B- beta emitters that use magnesium to eat electrons
C- radiologic containers that use a magnetic field
D- gamma irradiators that use cobalt or cesium isotopes

Answer 21

D- gamma irradiators that use cobalt or cesium isotopes

Question 22

What are polyclonal antibodies produced against?

Answer 22

Multiple unique areas on a particular antigen

Question 23

What problem does “pair-feeding” address?

Answer 23

Unequal amounts of food eaten by the test and control groups

Question 24

Which of the following should be included on all surgical packs that have been autoclave?
A- name of surgeon
B- date sterilized
C- packing list
D- intended species

Answer 24

B- date sterilized

Question 25

What technique is used for quickly sterilizing instrument tips only?

Answer 25

Glass bead sterilization

Question 26

How long can packs that have been autoclave remain sterile?

Answer 26

6 months

Question 27

What does an ultrasonic unt convert high-frequency sound waves into in order to remove debris from instruments?

Answer 27

Mechanical vibrations

Question 28

``` What are two types of forceps? A- snook or grooved B- sharp and blunt C-cutting edge and taper point D- thumb and hemostatic ```

Answer 28

D- thumb and hemostatic

Question 29

What is the term fo suture material attached to a needle?

Answer 29

Swaged-on

Question 30

``` Which is a type of suture that is broken down and assimilated by the body over time? A- nylon B- nonabsorbable C- gauze D- absorbable ```

Answer 30

D- absorbable

Question 31

``` What type of scissor is best for dissection of live tissue? A- blunt-blunt B- sharp-sharp C- sharp-blunt D- curved ```

Answer 31

A- blunt-blunt

Question 32

If ethylene oxide is used for sterilization, what is the minimum time that sterilized items must air out?

Answer 32

12 hours

Question 33

What is the most common method of sterilizing wrapped packs?

Answer 33

Autoclave sterilization

Question 34

Which sterilization method should you use if you want to sterilize an electronic device?

Answer 34

Gas sterilization

Question 35

How soon after surgery should instruments be cleaned?

Answer 35

Immediately after surgery

Question 36

What instrument removes calcified debris from the teeth?

Answer 36

Dental scaler

Question 37

What does surgical asepsis refer to?

Answer 37

The practice of preventing or reducing the entry of pathogens into the surgical field

Question 38

Why are some species fasted prior to surgery?

Answer 38

So they do not aspirate vomited material during surgery

Question 39

What pattern is followed when scrubbing a surgical site?

Answer 39

Start at the center and circle outward

Question 40

How many strokes does each surface of the arm receive when scrubbing for surgery?

Answer 40

10

Question 41

How do you position your hands when scrubbing for surgery?

Answer 41

Keep hands elevated above the elbows

Question 42

The state in which no living microorganisms are present is referred to as _________.

Answer 42

Sterile

Question 43

``` Which of the following is defined as a state of unconsciousness in which there is loss of sensation throughout the body? A- local anesthesia B- general anesthesia C- topical anesthesia D- ophthalmic anesthesia ```

Answer 43

B- general anesthesia

Question 44

Which of the following is FALSE about maintaining a sterile field? A- all sterile surfaces should be kept dry B- talking increases the amount of bacterial contamination C- avoid leaning over a nonsterile areas when wearing sterile garb D- the front of the surgical gown above the knees and below the shoulders is considered sterile

Answer 44

D- the front of the surgical gown above the knees and below the shoulders is considered sterile

Question 45

Why is fur considered a source of contamination?

Answer 45

Microorganisms cannot be killed or removed as easily from fur as from skin

Question 46

What can general anesthesia’s and exposure of body cavities during surgery cause?

Answer 46

Decreased body temperature

Question 47

Which of the following is FALSE about postsurgical care? A- animals must be watched for complications that could endanger their life or wellbeing B- while unconscious, animals should be turned from side to side frequently C- if an animal does not seem to be recovering properly, the veterinarian should be contacted immediately D- immediately after surgery the animals should be kept in a cool environment

Answer 47

D- immediately after surgery the animals should be kept in a cool environment

Question 48

According to the Guide and the US Government Principles, what is painful to humans must be considered to be ________.

Answer 48

Painful in other species

Question 49

What is the method used to assess pain in animals?

Answer 49

Behavior changes