Final Exam

Question 1

major changed during horse evolution?

Answer 1

change in forage (teeth), reduction in digits, longer legs, increase in size and complexity of brain

Question 2

what sector of the equine industry brings in the most money and jobs

Answer 2

racing

Question 3

how many hands tall is a pony

Answer 3

14.2

Question 4

what is the oldest purebred horse

Answer 4

arabian

Question 5

most common draft horse

Answer 5

belgian

Question 6

horse selectively bred by the nez perce

Answer 6

appaloosa

Question 7

what horse has teh largest breed registry

Answer 7

quarter horse

Question 8

what is the driving cause of equine evolution

Answer 8

climate change

Question 9

how long dopes it take for milk to let down after stimulation

Answer 9

1 minute

Question 10

what hormone is responsible for milk let down

Answer 10

oxytocin (carried through the circulatory system)

Question 11

is oxytocin a contractor or relaxer

Answer 11

contractor

Question 12

milk is a poor source of iron and vitamin C?

Answer 12

true

Question 13

how many alveoli are in 1 cubic inch of mammary tissue

Answer 13

1 million

Question 14

what are cotyledonary, diffuse, discoid, and zonary examples of

Answer 14

placentation

Question 15

what does homogenization do

Answer 15

breaks up fat and redistributes it

Question 16

is the milk let down process neurophormonal

Answer 16

yes

Question 17

what percent of people own dogs

Answer 17

38

Question 18

what is the highest producing beef breed

Answer 18

angus

Question 19

what breed produces the most milk

Answer 19

holstein

Question 20

horse leg markings

Answer 20

sock and heel