Quiz 9

Question 1

high levels of Mg will interfere with K

Answer 1

false

Question 2

a calorimeter gives a value of energy by measuring what

Answer 2

heat released from combustion

Question 3

in ruminants TDN tends to overestimate energy for forage and underestimate energy for grains

Answer 3

true

Question 4

temperatures above the thermoneutral zone will increase feed intake

Answer 4

false

Question 5

HdE describes BLAN, HfE describes BLANK, HwE describes BLANK, and HrE describes BLANK

Answer 5

HdE- heat of digestion and absorption
HfE- Heat of fermentation
HwE- heat of waste product formation and excretion
HrE- heat of product formation

Question 6

parakeratosis can develop with a deficiency of zinc

Answer 6

true

Question 7

neonatal pigs are susceptible to iron deficiency due to poor maternal transfer of iron

Answer 7

true

Question 8

feeding crystalline amino acids can lead to high CI in the diet due to combining CI to the amino acids complex

Answer 8

true

Question 9

white muscle disease is a deficiency of selenium

Answer 9

true

Question 10

indirect calorimetry uses a measurement of gases produced and converts it to a mathematical energy value

Answer 10

true

Question 11

net energy from a protein is higher than fat due to the energy required to dispose of the by-products from N metabolism

Answer 11

false

Question 12

excess Ca in diet can inhibit Zn absorption

Answer 12

true

Question 13

TDN considers losses from heat and urine

Answer 13

false

Question 14

manganese toxicity can lead to a slipped tendon

Answer 14

false

Question 15

cobalt is required as a component of B12

Answer 15

true

Question 16

energy is a nutrient

Answer 16

false

Question 17

we can estimate ME, given DE and an assumption about the combined energy lost from urine and gas. That calculation is?

Answer 17

ME= 0.82 x DE

Question 18

temperatures outside the thermoneutral zone will decrease energy requirements of an animal

Answer 18

false

Question 19

overconsumption of cassava, soybeans, or brassicas could potentially lead to goiter

Answer 19

true

Question 20

a deficiency in this mineral can cause pica

Answer 20

phosphorus

Question 21

salt is a common source of what mineral

Answer 21

sodium

Question 22

polioencephalomacia can occur in ruminants with a toxicity of this mineral

Answer 22

sulfur

Question 23

rickets can be caused by a deficiency of phosphorus and what other mineral

Answer 23

calcium

Question 24

copper is an antagonist for this mineral

Answer 24

zinc

Question 25

grass tetany is commonly seen in cattle grazing lush pasture in the spring. what mineral deficiency will cause grass tetany

Answer 25

magnesium

Question 26

the trace mineral most commonly associated with the thyroid hormone thyroxin is?

Answer 26

iodine

Question 27

this mineral when fed at alternating concentrations (at requirements and deficient) can cause striations in wool or hair color due to depigmentation during a deficiency

Answer 27

copper

Question 28

nutritional muscular dystrophy is caused by a deficiency of what

Answer 28

selenium

Question 29

which mineral is a structural component of vitamin B12

Answer 29

cobalt