Unit Four Exam: Ch 15-17

Question 1

What is the OPPOSITE meaning of the prefix “hyper”?

Answer 1

Less than

Question 2

What is the meaning of the prefix “endo”?

Answer 2

Inside

Question 3

What is the OPPOSITE of the prefix “micro”?

Answer 3

Large

Question 4

What is the meaning of the root “cyto”?

Answer 4

Cell

Question 5

What is the basic unit of weight in the metric system?

Answer 5

Gram

Question 6

How many centimeters are in a meter?

Answer 6

100

Question 7

How many millimeters are in a cubic centimeter?

Answer 7

1

Question 8

One milligram is equal to how many pounds?

Answer 8

2.2

Question 9

What is 32F in the Celsius scale?

Answer 9

0 C

Question 10

What is normal human body temperature in the Celsius scale?

Answer 10

37 C

Question 11

What is a molecule?

Answer 11

Two or more atoms bonded together

Question 12

What is the meaning of “CO2”?

Answer 12

One carbon atom bound to two oxygen atoms

Question 13

What does the pH of a solution refer to?

Answer 13

Degree of acidity

Question 14

A solution with a pH of 8 is slightly:

Answer 14

Basic

Question 15

A solution with a pH of 2 is very:

Answer 15

Acidic

Question 16

If a bottle of cleaner has a pH of 10, you should:

Answer 16

Use heavy gloves and eye/face protection when handling it

Question 17

You are preparing a 1:4 dilution of substance A. The final volume is 400 ml. What is the volume of substance A you need?

Answer 17

100 ml

Question 18

You are preparing a 1:3 dilution of substance B. You will use 10 ml of substance B. What is the final volume?

Answer 18

30 ml

Question 19

The document that clearly defines the use of animals in the study is called the:

Answer 19

Animal use protocol

Question 20

When can experimental work with animals begin?

Answer 20

When the animal use protocol has been approved by the IACUC

Question 21

In a research experiment, which group of animals receives the experimental treatment?

Answer 21

The experimental animals

Question 22

In a research study, what is the control group?

Answer 22

The group of animals that does not receive the experimental treatment

Question 23

Which of the following is NOT a factor that could have detrimental effects on a study?
A- errors in weighing an animal
B- showing favoritism toward certain animals
C- mixing up animal numbers in the records
D- recording animal weights correctly every day

Answer 23

D- recording animal weights correctly every day

Question 24

What is an animal model?

Answer 24

An animal that develops a disease or condition that affects humans

Question 25

What is applied research?

Answer 25

Research that attempts to answer practical problems about diseases

Question 26

What is the basic unit of inheritance called?

Answer 26

Gene

Question 27

What are the only types of cells in which the chromosomes are present but not paired?

Answer 27

Ova and sperm cells

Question 28

What is a gene made up of?

Answer 28

DNA

Question 29

When the gene is successfully used by the cell to make proteins and structures, the gene is said to be:

Answer 29

Expressed

Question 30

What is the animal’s observable characteristics including its physical appearance and internal physiology?

Answer 30

Phenotype

Question 31

What is a transgenic animal?

Answer 31

An animal that has foreign DNA inserted into its own set of DNA

Question 32

What is a knockout animal?

Answer 32

An animal that ha had a gene “turned off” by scientists

Question 33

In a pair of genes, the gene that is less easily expressed is said to be:

Answer 33

Recessive

Question 34

Why would a researcher want to use inbreeding?

Answer 34

To create a group of animal that is very similar genetically

Question 35

What type of animal contains altered DNA designed to turn on a specific gene?

Answer 35

A knock in animal

Question 36

Why would a researcher want to use harem mating?

Answer 36

To produce a large number of offspring in a short amount of time

Question 37

When does the female animal become receptive to mating?

Answer 37

During her estrus cycle

Question 38

What is the gestation period?

Answer 38

The time that the female is pregnant

Question 39

``` Which of the following is a condition that technicians may commonly see in breeding rodent populations? A- dystocia B- blindness C- diabetes D- alopecia ```

Answer 39

A- dystocia

Question 40

Under what breeding scheme are pregnant females removed from the male’s cage with new, non-pregnant females being added to maximize production with the fewest number of overall breeders?

Answer 40

Harem mating

Question 41

``` Transgenic animal’s have: A- altered genes B- recessive genes C- congenital defects D- a tendency toward mutation ```

Answer 41

A- altered genes

Question 42

What is the term used to describe the type of mouse that has a genetic mutation that prevents it from developing T lymphocytes?

Answer 42

A nude mice

Question 43

A spontaneous genetic mutation is:

Answer 43

Unplanned and occurs without human intervention

Question 44

What types of animals are highly susceptible to infections and need to be maintained under barrier conditions?

Answer 44

Immunodeficient animals

Question 45

Sorry are produced in which organ?

Answer 45

The testes

Question 46

Where does fertilization occur in amphibians?

Answer 46

Outside the female’s reproductive tract

Question 47

What is the release of eggs from an ovary called?

Answer 47

Ovulation

Question 48

What gland of male rodents produces a mucous plug that remains in the female rodent’s vagina?

Answer 48

Coagulating gland

Question 49

What is the breeding scheme called in which only unrelated or distantly related animals of the same stock are mated?

Answer 49

Outbreeding

Question 50

An inbred strain is established after how many brother-sister makings of mice?

Answer 50

20