Lab VII - Thermoregulation & Energy Balance

Question 1

Normal Rectal Temp - adult horse

Answer 1

37.5 - 38.0 C

Question 2

Normal Rectal Temp - foal horse

Answer 2

37.5 - 38.5 C

Question 3

Normal Rectal Temp - adult cattle

Answer 3

38.0 - 39.0 C

Question 4

Normal Rectal Temp - calf cattle

Answer 4

39.0 - 39.5 C

Question 5

Normal Rectal Temp - adult swine

Answer 5

38.5 - 39.5 C

Question 6

Normal Rectal Temp - piglet swine

Answer 6

39.0 - 39.5 C

Question 7

Normal Rectal Temp - small ruminants

Answer 7

38.5 - 39.5 C

Question 8

Normal Rectal Temp - dog

Answer 8

38.2 - 39.0 C

Question 9

Normal Rectal Temp - cat

Answer 9

38.5 - 39.2 C

Question 10

Normal Rectal Temp - rabbit

Answer 10

38.5 - 39.5 C

Question 11

Normal Rectal Temp - birds

Answer 11

40.0 - 43.0 C

Question 12

Resp. Quotient (Fuel) - Carbohydrate

Answer 12

1.00

Question 13

Resp. Quotient (Fuel) - Protein

Answer 13

0.82 - 0.85

Question 14

Resp. Quotient (Fuel) - Fat

Answer 14

0.70

Question 15

Energy Values (Nutriment) - Carbohydrate

Answer 15

17.2 kJ/g

Question 16

Energy Values (Nutriment) - Protein

Answer 16

17.2 kJ/g

Question 17

Energy Values (Nutriment) - Fat

Answer 17

39.0 kJ/g

Question 18

what is chronaxie?

Answer 18

Min. duration necessary to elicit an AP if the stimulus strenght twise rheobase)

Question 19

What factor determines if we have a monophasic or biphasic CAP?

Answer 19

Distance between electrodes

Question 20

Define local response

Answer 20

Decrasing magnitude of potential change due to physical processes

Question 21

What is resting membrane potential

Answer 21

difference between intra and extracellular space potential

Question 22

Name of fibres leading impulse from organ to spinal chord?

Answer 22

Neuron fibres type Ia and type II

Question 23

Explain exteroceptive reflex?

Answer 23

receptors outside muscle pick up signal, and trough an arch, it reach an muscle

Question 24

Explain all- or none-law concerning the action potential?

Answer 24

must have certain polarization to get reaction, either or not

Question 25

Explain repolarization

Answer 25

(Positive charges decrease inside the cell

Question 26

Define treshold?

Answer 26

a certain level

Question 27

Main component of reflex arch?

Answer 27

(receptor, afferent nerve, synapse, efferent nevre and the target organ

Question 28

How to check an normal reaction of Achilles reflex?

Answer 28

(hit just above the insertion of achilles tendon on an freehanging leg

Question 29

In which phase do you have absolute refractory period?

Answer 29

(Periode before repolarization where the CAP will disapear)

Question 30

What is proprioceptive?

Answer 30

(receptors in the organ)

Question 31

4 stages of action potential.

Answer 31

(depolarization, overshoot, repolarization and post-hyperpolarization

Question 32

Frequency coding?

Answer 32

Stronger stimulus, more frequent action potential

Question 33

Describe CAP?

Answer 33

(Compound action potentials, a summation of different fibers that make up a nerve

Question 34

Receptors in intrafusal muscle

Answer 34

(nuclear chain receptors and bag receptors

Question 35

Describe the normal reaction of ankle jerk reflex?

Answer 35

(streching the ankle, plantar flexion)

Question 36

Where do you tap to get the knee jerk reflex?

Answer 36

(patellar ligament)

Question 37

Which channel opens during repolarization?

Answer 37

(Potassium)

Question 38

What is rheobase?

Answer 38

(Minimal stimulus intensity that just generates an AP after long time application)

Question 39

Give the most characteristic features of non-myelinated impulse transmission?

Answer 39

(AP propagates step by step, a channel activates immediately adjacent one