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Vet Tech A & P > Reproductive > Flashcards

Reproductive Flashcards

1
Q

Describe the difference between meiosis and mitosis

A

Meiosis- half of the chromosomes go to one cell and half go to the other. Each cell ends up with a identical daughter cells to that of the parent cells
Mitosis- chromosomes do not produce duplicate copies of themselves before the daughter cells pull apart. Half of the total number of chromosomes go to each daughter cell.

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2
Q

What animal had an os penis

A

Dog

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3
Q

Why is the mid piece of the spermatozoon referred to as the “power plant” of the cell ?

A

It contains many energy producing mitochondria

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4
Q

Where does fertilization usually take place

A

Fallopian tube

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5
Q

What animal is polyestrus ?
Cattle
Dog
Fox
Horse

A

Cattle

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6
Q

Which animal is multiparous
Dogs
Horses
Cattle
Primates

A

Dogs

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7
Q

In cold conditions what muscle contracts to pull the testes up closer to the body for warmth

A

Cremaster

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8
Q

What word refers to the chromosomes that occur in pairs

A

Diploid

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9
Q

Which cells have a haploid chromosome numbers

A

Spermatozoa and ova

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10
Q

What animal does not have bulbbourethral glands

A

Dogs

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11
Q

What occurs during proestrus

A

The epithelial lining of the vagina cornifies

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12
Q

Which animal is diestrus?
Cattle
Swine
Dog
Fox

A

Dog

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13
Q

When are spermatozoa transported from the vas deferens to the abdominal urethra

A

During ejaculation

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14
Q

What happens if an ovum has been fertilized and implants in the uterus

A

Progesterone is produced and the corpus luteum is maintained

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15
Q

In which animal is the length of the heat cycle unpredictable

A

Queen

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16
Q

Order the stages of estrus

A

Proestrus
Estrus
Metestrus
Diestrus
Anestrus

17
Q

What species are induced ovulators
Cat
Cow
Rabbit
Dog

A

Cat, rabbit, dog

18
Q

Spermatozoa is produced by a process called

A

Spermatogenesis

19
Q

Spermatogenesis begins at the periphery of the

A

seminiferous tubule

20
Q

What hormone is responsible for male secondary sex characteristics

A

Testosterone

21
Q

Link the testes with the rest of the body. Tubelike, connective tissue structures that contain blood vessels, nerves, lymphatic vessels, and the vas deferens

A

Spermatic cord

22
Q

Form heat exchange mechanism along the testes

A

Pampiniform plexus

23
Q

Muscular tube that connects the tail of the epididymis with the pelvic portion of the urethra

A

Vas deferens

24
Q

What happens in proestrus

A

Follicle development and estrogen/ FSH hormone is released

25
Q

During estrus what happens

A

Ovulation (egg releases)
LH hormone is released

26
Q

What happens during diestrus

A

Progestin hormone is released and the corpus Leuteum develops (fetus)

Vet Tech A & P (15 decks)

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