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Therio scs RUSVM > Fun Quiz Part 2 > Flashcards

Fun Quiz Part 2 Flashcards

1
Q

The incisors of foals come in at ____ days/weeks/months, ____ days/weeks/months, and ____ days/weeks/months.

A

6 days

6 weeks

6 months

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2
Q

What is the dental formula for a horse (deciduous and permanent)?

A

D: i3/3, c0/0, p3/3, m0/0 (x2)

P: I3/3, C1/1, P3/3, M3/3 (x2)

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3
Q

What is the dental formula for a cow? (deciduous and permanent)

A

D: i0/3, c0/1, p3/3, m0/0 (x2)

P: I0/3, C0/1, P3/3, M3/3 (x2)

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4
Q

What is the dental formula for a sheep? (deciduous and permanent)

A

D: i0/3, c0/1, p3/3, m0/0 (x2)

P: I0/3, C0/1, P3/3, M3/3 (x2)

Note same as cow and goat

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5
Q

The permanent incisors of horses come in at ____ weeks/months/years, ____ weeks/months/years, and ____ weeks/months/years.

A
  1. 5 years
  2. 5 years
  3. 5 years
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6
Q

The molars of horses come in at ____ weeks/months/years, ____ weeks/months/years, and ____ weeks/months/years.

A

1 year

2 years

3 years

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7
Q

How deep is each incisor cup in a 4.5 year old horse?

A

6mm

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8
Q

What tooth number is the equine wolf tooth? Are they more common on the maxilla or mandible?

A

PM 1

Maxilla

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9
Q

What’s this?

A

Trephine

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10
Q

PPP? Normal or abnormal for parturition?

A

Presentation: Posterior/caudal longitudinal

Postion: Dorso-sacral

Posture; Complete extension of hind limbs

NORMAL posterior presentation

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11
Q

PPP? Normal or abnormal for parturition?

A

Presentation: Anterior/cranial longitudinal

Postion: Dorso-sacral

Posture; Left carpal flexion

ABNORMAL presentation

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12
Q

PPP? Normal or abnormal for parturition?

A

Presentation: Anterior/cranial longitudinal

Postion: Dorso-sacral

Posture; Bilateral carpal flexion

ABNORMAL presentation

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13
Q

PPP? Normal or abnormal presentation for parturition?

A

Presentation: Anterior /cranial longitudinal

Postion: Dorso-sacral

Posture; Complete extension of head and forelimbs

NORMAL anterior presentation

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14
Q

PPP? Normal or abnormal for parturition?

A

Presentation: Anteiror/cranial longitudinal

Postion: Dorso-sacral

Posture: Right shoulder flexion

ABNORMAL presentation

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15
Q

PPP? Normal or abnormal for parturition?

A

Presentation: Anteiror/cranial longitudinal

Postion: Dorso-sacral

Posture: :Left shoulder flexion

ABNORMAL presentation

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16
Q

PPP? Normal or abnormal for parturiton?

A

Presentation: Anterior/cranial longitudinal

Postion: Dorso-sacral

Posture: Bilateral hip flexion

ABNORMAL presentation

“Dog Sitting position”

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17
Q

PPP? Normal or abnormal for parturition?

A

Presentation: Anterior/cranial longitudinal

Postion: Dorso-sacral

Posture:Left lateral deviation of the head (head retained), forelimbs extended

ABNORMAL presentation

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18
Q

PPP? Normal or abnormal position for parturition?

A

Presentation: Anteiror/cranial longitudinal

Postion: Dorso-sacral

Posture: Complete down/ventral deviation of the head

ABNORMAL presentation

“Head-Breast Posture” aka “Nape Presentation”

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19
Q

PPP?

A

Presentation: Posterior/caudal longitudinal

Postion: Dorso-sacral

Posture: Bilateral hock flexion

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20
Q

PPP?

A

Presentation: Posterior/caudal longitudinal

Postion: Dorso-sacral

Posture: Bilateral hip flexion

“Breech Presentation”

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21
Q

PPP?

A

Presentation: Posterior/caudal longitudinal

Postion: Dorso-pubic / ventral

Posture: Extended hind limbs

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22
Q

Presentation?

A

Transverse dorsal

23
Q

A calf nudging its mother’s udder causing the release of oxytocin and thus milk-letdown is an example of what kind of reflex?

A

Neuroendocrine reflex

24
Q

What is the neural control center for reproduction hormones?

A

Hypothalmic nuclei

Hypothalamus-Pitutary

25
Q

What is the main repro hormone released by the posterior pituitary?

A

Oxytocin

26
Q

What hormone signals the surge and tonic centers to release hormone?

A

GnRH

27
Q

What are the 3 main gonadotropins? Where are they released from?

A

FSH, LH, Prolactin

Anterior pituitary

28
Q

Which hormone feeds back positively from the follicle to the anterior pituitary and the surge center? What hormone is released when the anterior pituitary is stimulated?

A

Estrogen (E2)

FSH

29
Q

Which hormone feeds back negatively from the follicle to the anterior pituitary? Which hormone does it prevent the release of?

A

Inhibin

FSH

30
Q

What biochemical form of repro hormone does not need to bind to a plasma membrane receptor? What receptor does this type of hormone bind to?

A

Steroids

Nuclear receptors

31
Q

What is the typical pattern of secretion of GnRH? Steroid hormones?

A

GnRH: Episodic

Steroids: Sustained

32
Q

How long is the estrus cycle of a cow?

A

21 days

33
Q

What is the dominant hormone during the Follicular Phase?

A

Estrogen (E2)

34
Q

What is the dominant hormone in the Luteal Phase?

A

Progesterone (P4)

35
Q

What does a mature corpus luteum secrete? What stage of the estrous cycle is characterized by sustained high level secretion of this substance?

A

P4

Diestrus

36
Q

Which hormone is low when there is a lot of light, i.e. during long photoperiods?

A

Melatonin

37
Q

What hormone signals the surge and tonic centers to release hormone?

A

GnRH

38
Q

Which of the following hormones does not peak during estrus?

E2

P4

LH

FSH

A

P4

39
Q

Describe the hormone dynamics during the follucular phases of recruitment, selection, and dominance.

A

Recruitment: High FSH, Low LH (No inhibin)

Selection: Low FSH, Moderate LH, Low Inhibin

Dominance: Low FSH, High LH, High Inhibin

40
Q

What are the 3 main gonadotropins? Where are they released from?

A

FSH, LH, Prolactin

Anterior pituitary

41
Q

When LH binds to its receptor on a Theca interna cell, what is broken down into what?

A

Cholesterol into Testosterone

42
Q

When FSH binds to its receptor on a granulosa cell what is converted into what?

A

Testosterone into Estradiol/E2/Estrogen

43
Q

Positive feedback from what hormone causes GnRH release from the surge center?

A

Estrogen

44
Q

What is the AM-PM rule and to which animal does it apply?

A

Cows ovulate approx 12 hours after estrus/heat so a cow that goes into heat in the morning (AM) should be bred that evening (PM), a cow that goes into heat in the evening (PM) should be bred the following morning (AM).

45
Q

What 3 hormones are produced by the CL? Which one is dominant?

A

P4 - dominant

Oxytocin

Relaxin

46
Q

Which hormone decreases myometrial tone in the cow but increases tone in the mare?

A

Progesterone

47
Q

What is the source of PGF2a in domestic animals?

A

Uterine endometrium

48
Q

What does oxytocin release stimulate when luteolysis is induced?

A

Pulse of PGF (Prostaglandin) release

This stimulates +ve feedback i.e. more oxytocin release

49
Q

Which hormone feeds back positively from the follicle to the anterior pituitary and the surge center? What hormone is released when the anterior pituitary is stimulated?

A

Estrogen (E2)

FSH

50
Q

Describe the hormone dynamics during the follucular phases of recruitment, selection, and dominance.

A

Recruitment: High FSH, Low LH (No inhibin)

Selection: Low FSH, Moderate LH, Low Inhibin

Dominance: Low FSH, High LH, High Inhibin

51
Q

What biochemical form of repro hormone does not need to bind to a plasma membrane receptor? What receptor does this type of hormone bind to?

A

Steroids

Nuclear receptors

52
Q

The release of which hormone from what part of the body induces ovulation?

A

LH

Anterior pituitary

52
Q

Positive feedback from what hormone causes GnRH release from the surge center?

A

Estrogen

Therio scs RUSVM (18 decks)

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