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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
What is the main repro hormone released by the posterior pituitary?
Oxytocin
26
What hormone signals the surge and tonic centers to release hormone?
GnRH
27
What are the 3 main gonadotropins? Where are they released from?
FSH, LH, Prolactin Anterior pituitary
28
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?
Estrogen (E2) FSH
29
Which hormone feeds back negatively from the follicle to the anterior pituitary? Which hormone does it prevent the release of?
Inhibin FSH
30
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?
Steroids Nuclear receptors
31
What is the typical pattern of secretion of GnRH? Steroid hormones?
GnRH: **Episodic** Steroids: **Sustained**
32
How long is the estrus cycle of a cow?
21 days
33
What is the dominant hormone during the Follicular Phase?
Estrogen (E2)
34
What is the dominant hormone in the Luteal Phase?
Progesterone (P4)
35
What does a mature corpus luteum secrete? What stage of the estrous cycle is characterized by sustained high level secretion of this substance?
P4 Diestrus
36
Which hormone is low when there is a lot of light, i.e. during long photoperiods?
Melatonin
37
What hormone signals the surge and tonic centers to release hormone?
GnRH
38
Which of the following hormones **does not** peak during estrus? E2 P4 LH FSH
P4
39
Describe the hormone dynamics during the follucular phases of recruitment, selection, and dominance.
_Recruitment_: High FSH, Low LH (No inhibin) _Selection_: Low FSH, Moderate LH, Low Inhibin _Dominance:_ Low FSH, High LH, High Inhibin
40
What are the 3 main gonadotropins? Where are they released from?
FSH, LH, Prolactin Anterior pituitary
41
When LH binds to its receptor on a Theca interna cell, what is broken down into what?
Cholesterol into Testosterone
42
When FSH binds to its receptor on a granulosa cell what is converted into what?
Testosterone into Estradiol/E2/Estrogen
43
Positive feedback from what hormone causes GnRH release from the surge center?
Estrogen
44
What is the AM-PM rule and to which animal does it apply?
**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
What 3 hormones are produced by the CL? Which one is dominant?
P4 - dominant Oxytocin Relaxin
46
Which hormone decreases myometrial tone in the cow but increases tone in the mare?
Progesterone
47
What is the source of PGF2a in domestic animals?
Uterine endometrium
48
What does oxytocin release stimulate when luteolysis is induced?
Pulse of **PGF (Prostaglandin)** release ## Footnote *This stimulates +ve feedback i.e. more oxytocin release*
49
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?
Estrogen (E2) FSH
50
Describe the hormone dynamics during the follucular phases of recruitment, selection, and dominance.
_Recruitment_: High FSH, Low LH (No inhibin) _Selection_: Low FSH, Moderate LH, Low Inhibin _Dominance:_ Low FSH, High LH, High Inhibin
51
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?
Steroids Nuclear receptors
52
The release of which hormone from what part of the body induces ovulation?
LH Anterior pituitary
52
Positive feedback from what hormone causes GnRH release from the surge center?
Estrogen

Therio scs RUSVM (18 decks)

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