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3rd Yr Sping > Physiology MCQ1 > Flashcards

Physiology MCQ1 Flashcards

1
Q

When were chickens domesticated?

A

5000 years ago

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2
Q

Who first came up with the concept of ‘balance’ in physiology?

A

Hippocrates

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3
Q

On average, how many lactations does a cow last in an Irish dairy herd?

A

4

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4
Q

Growth rates in poultry have increased by what %?

A

400%

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5
Q

Sudden death syndrome in poultry is due to insufficiency in what organs?

A

Heart

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6
Q

The line at which the physiological reserve is exceeded, is called what?

A

The physiological limit

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7
Q

A self regulating process by which biological systems maintain stability while adjusting to changing external environments is referred to as what?

A

Homeostasis

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8
Q

What portal system connects the Hypothalamus to the pituitary?

A

Hypophyseal

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9
Q

Which hormones are secreted from the posterior pituitary?

A

Oxytocin and ADH

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10
Q

The pineal gland secretes what?

A

Melatonin

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11
Q

What gland secretes insulin?

A

Pancreas

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12
Q

Which of the following are exocrine glands

A

Salivary & Mammary

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13
Q

What type of fat is involved in thermogenesis?

A

Brown

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14
Q

Cholesterol is used to make what type of hormone?

A

Steroid

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15
Q

Sugars are carbohydrates and are used to make what type of proteins?

A

Glycoproteins

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16
Q

Which type of hormone are bound to carrier proteins (chaperones)?

A

Steroid

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17
Q

What type of secretion pattern does Melatonin display?

A

Circadian

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18
Q

Which of the following is not part of the somatotrophic axis?

A

Testosterone

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19
Q

Give an example of a steroid/peptide hormone

A

Cortisol

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20
Q

A self-regulating process by which biological systems maintain stability while adjusting to changing external environments

A

Homeostasis

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21
Q

The organ with greatest blood flow in mammals

A

Kidney

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22
Q

The selection pressure exerted by Man

A

Artificial

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23
Q

Largest organ in avian species

A

Heart

24
Q

The function of adipose tissue to generate heat

A

Thermogenesis

25
Q

The nucleus which regulates the circadian clock

A

Suprachiasmatic

26
Q

The tissue or organ of greatest weight as a % of body weight in cattle

A

Adipose

27
Q

The capacity of an animal to be minimally affected by disturbances or to rapidly return to the state pertained before exposure to a disturbance

A

Resilience

28
Q

The geographical location where cattle were domesticated

A

Middle East

29
Q

The selection pressure exerted by Nature

A

Natural

30
Q

The organ with greatest blood flow in cattle

A

Liver

31
Q

The hormone which controls milk ejection

A

Oxytocin

32
Q

The maintenance of lactation

A

Galactopoiesis

33
Q

The branching of ducts which accompanies mammary development

A

Morphogenesis

34
Q

The canal through which vessels from the abdomen enter the mammary gland

A

Inguinal

35
Q

The system that collects the tissue fluid for recirculation and also contains lymphocytes

A

Lymph

36
Q

The original cell from which everything else develops

A

Stem

37
Q

The name of the plates which provide lateral support for the mammary gland

A

Lamellar

38
Q

The cell responsible for milk secretion

A

Myoepithelial

39
Q

The generation of mammary tissue

A

Mamogenesis

40
Q

The term for the same animal concurrently producing milk of different composition

A

Asynchronous

41
Q

The swelling of the mammary tissue in latter stages of pregnancy

A

Odema

42
Q

The name of the vessel curves (or flexures) which allow mammary gland expansion

A

Sigmoid

43
Q

Describing growth that proceeds at the same rate of the body

A

Isometric

44
Q

The synthesis and secretion of milk

A

Lactogenesis

45
Q

Yellow elastic connective tissue which forms the suspensory mammary gland ligaments

A

Median

46
Q

The term that describes a loss in mammary gland size during involution

A

Regression

47
Q

The species identified by the ability to lactate

A

Mammalia

48
Q

The part of the mammary gland formed from ductal and alveolar cells

A

Luminal

49
Q

The trait for which the genes have been conserved across evolution

A

Milk fat

50
Q

The lineage along which the ability to lactate evolved

A

Synapsid

51
Q

The name for placental mammals

A

Eutherians

52
Q

The arteries of the mammary gland

A

Pudendal

53
Q

Describes growth which is accelerated compared to the rest of the body

A

Allometric

54
Q

The pressure which controls water transport into mammary gland

A

Osmotic

55
Q

The regression of the mammary gland at the end of lactation

A

Involution

3rd Yr Sping (4 decks)

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