Driver Quizzes

Question 1

cumulative growth curve is really

Answer 1

stair stepped due to sporadic growth

Question 2

the point of inflection is

Answer 2

the time when animals grow the fastest

Question 3

a body part with an allometric growth coefficient of <1 grows

Answer 3

early and slowly compared to the rest of the body

Question 4

John Hammond made important observations about the proportions of animals as they grow including that

Answer 4

extremities complete their development first

Question 5

as the body grows, the proportions of different chemicals change according to

Answer 5

water decreases, fat increase, protein decreases

Question 6

As bone ages the proportion of fat

Answer 6

increases

Question 7

physiological growth

Answer 7

specific physical/chemical stage of maturity

Question 8

absolute growth

Answer 8

plots weight gain per unit of time over time

Question 9

cumulative growth

Answer 9

change in weight over time

Question 10

relative growth

Answer 10

growth in relation to total weight

Question 11

heredity

Answer 11

is the process of passing along genes form one generation to the next

Question 12

the heritability for meat tenderness is 0.29 which is

Answer 12

intermediate, meaning moderately heritable

Question 13

sheep favor

Answer 13

intermuscular and visceral fat deposition

Question 14

better sanitation improves growth rate and feed efficiency because

Answer 14

less nutrients are required for immune responses against microorganism

Question 15

select the correct answer about maintenance energy requirements

Answer 15

increases as an animal grows

Question 16

energy requirements for growth depend on

Answer 16

hormone treatments
genetics and breeding
sex of an animal
stage of the growth curve

Question 17

the reasons for abnormally high growth rates achieved during compensatory growth include

Answer 17

lower basal energy metabolism requirements due to decreased visceral weight
higher feed intake

Question 18

energy substrate used up within the first 8-10 seconds of exercise

Answer 18

ATP

Question 19

both endurance and resistance exercise induces the release of the hormone

Answer 19

growth hormone

Question 20

type of housing system that reduces the stress of rearing animals together

Answer 20

specific stress free housing

Question 21

chronically stressed animals suffer from elevated circulating concentrations

Answer 21

glucocorticoids

Question 22

the mature frame size in cattle can be calculated from

Answer 22

hip height and age

Question 23

at the same chronological age, large framed animals are physically ___ than small framed animals

Answer 23

younger

Question 24

T-cells areas of the lymph nodes are

Answer 24

the paracortical areas

Question 25

clonal selection describes

Answer 25

the selective activation of a lymphocyte clone by its antigen

Question 26

the spleen's overall immunologic function is to provide a location rich in immune cells to sample for foreign invaders in the blood stream

Answer 26

true

Question 27

innate immunity is characterized by broad and late responses to microbial infection

Answer 27

False

Question 28

Thymocytes (T cell precursors)

Answer 28

undergo extensive differentiation and maturation in thymus and leave as naive T cells

Question 29

a primary adaptive immune response to an antigen is characterized by specificity and memory

Answer 29

False

Question 30

passive immunity describes the transfer of immunity from an actively immunized host to a naive host

Answer 30

true

Question 31

a general characteristic that does not contribute to immunogeneicity is

Answer 31

temperature

Question 32

types of macrophages

Answer 32

microglia alveolar macrophage kupffer cell osteoclast

Question 33

lymphocytes traffic from the blood into the lymph nodes through

Answer 33

high endothelial venules