Exam 1 Material
Exam 1 Material
Exam 2 Material
Exam 2 Material
New Material
New Material
100
What's the most important reproductive organ?
A) the tubal system
B) the testes
C) the ovaries
D) the brain
D) the brain
100
Which reproductive hormone is a steroid hormone that's produced by growing follicles on the ovary and is responsible for female sexual behavior during estrus?
A) Inhibin
B) Progesterone
C) Follicle Stimulating Hormone
D) Estradiol
D) Estradiol
100
Season influences the onset of puberty for which species?
A) cows and pigs
B) cows and horses
C) pigs and goats
D) horses and goats
D) Horses and goats
100
What are the primary factors that influence the onset of puberty?
A) body weight and age
B) body weight and environment
C) age and stress
D) environment and genetics
A) body weight and age
100
After the sow has delivered two piglets, how often should you expect a new piglet to be delivered during a normal farrowing?
A) Every 10 - 20 minutes
B) Every 1 - 5 minutes
C) Every 30 - 40 minutes
D) Once every hour
A) Every 10 - 20 minutes
100
Where do you enter the cow's body during pregnancy palpation?
A) Vulva
B) Vagina
C) Rectum
D) Cervix
C) Rectum
200
Which is a steroid hormone that's produced by the Leydig cells in the testes. This hormone is responsible for anabolic growth and spermatogenesis in males?
A) FSH
B) LH
C) Testosterone
D) Estrogen
C) Testosterone
200
Which species of livestock has a 17-day estrous cycle?
A) Cattle
B) Swine
C) Sheep
D) Goats
C) Sheep
200
Which two livestock industries use artificial insemination as their primary breeding method?
A) Swine and beef cattle
B) Swine and dairy cattle
C) Dairy cattle and beef cattle
D) Dairy cattle and equine
B) Swine and dairy cattle
200
Which estrus synchronization product can be fed to cattle?
A) CIDR
B) Estrumate
C) Prostaglandin F2alpha
D) MGA
D) MGA
200
How many mammary glands do cows have?
A) 1
B) 2
C) 3
D) 4
D) 4
200
Which estrus synchronization method is most commonly used with swine?
A) feeding Matrix to sows for 14 days
B) inserting CIDRs
C) Giving injections of PGF2a
D) Naturally through weaning piglets
D) Naturally through weaning piglets
300
Which of the following is a structure that develops on the ovary after ovulation and produces the hormone progesterone?
A) CL
B) CA
C) Follicle
D) Cumulus-oocyte complex
A) CL
300
Which of the following male anatomical structures are the main sites of sperm production in the testes?
A) Seminiferous tubules
B) Leydig cells
C) Sertoli cells
D) Pampiniform plexus
A) Seminiferous tubules
300
Where will an egg be fertilized in the female reproductive tract?
A) ampulla-isthmus junction
B) utero-tubal junction
C) ovary
D) uterine horn
A) ampulla-isthmus junction
300
Which part of the female reproductive tract limits sperm transport through mucus trapping sperm and crypts acting as an obstacle course to trap sperm?
A) Vagina
B) Uterus
C) Cervix
D) Utero-tubal junction
C) Cervix
300
Which region of the early blastocyst will give rise to the embryo?
A) Inner cell mass
B) Blastocoele cavity
C) Trophoblast
D) Ectoderm
A) Inner cell mass
300
Which livestock animal's milk contains the most % fat?
Sow -- provides extra energy for piglets that can't thermoregulate
400
Which is a non-steroid hormone that's produced and secreted from the anterior pituitary. This hormone stimulates testosterone production in males and stimulates ovulation in females?
A) FSH
B) Estrogen
C) LH
D) Testosterone
C) LH
400
Which follicular cells are ruptured with the oocyte during ovulation?
A) Theca cells
B) Mural granulosa cells
C) Cumulus granulosa cells
D) Serosa Cells
C) Cumulus granulosa cells
400
Which of the following is not a typical male reproductive behavior in cattle?
A) Approaching a group of females to test lordosis
B) Exhibiting the flehmen response
C) Sniffing and licking female external genitalia
D) Urinating on himself for his scent to "impress" females
D) Urinating on himself for his scent to "impress" females
400
Which reproductive hormone is released through a CIDR to synchronize estrus?
A) Estrogen
B) Progesterone
C) Prostaglandin F2alpha
D) Luteinizing hormone
B) Progesterone
400
How many teat canals do ruminant species have per mammary gland?
A) 1
B) 2
C) 3
D) 4
A) 1
400
Which species doesn't typically exhibit lactational anestrus due to the way it's managed?
A) Swine
B) Beef cattle
C) Goats
D) Dairy cattle
D) Dairy cattle
500
Which estrous stage is the first stage of the follicular phase when follicles are starting to grow on the ovary and produce estrogen?
A) Estrus
B) Proestrus
C) Metestrus
D) Diestrus
B) Proestrus
500
What is the name for the hormonal cascade that allows reproductive hormones to be released and cause reproductive effects on the body?
A) Hypothalamic-Pituitary-Adrenal Axis
B) Hypothalamic-Puberty-Gametal Axis
C) Hypothalamic-Pituitary-Gametal Axis
D) Hypothalamic-Pituitary-Gonadal Axis
D) Hypothalamic-Pituitary-Gonadal Axis
500
When is the most successful time to heat check cattle?
A) Between 12 pm and 6 pm
B) Between 6 pm and 6 am
C) Between 6 am and 12 pm
D) The timing doesn't matter
B) Between 6 pm and 6 am
500
Which of the following occurs first during the process of fertilization?
A) A zygote forms
B) Sperm fuses with the egg
C) Sperm binds the zona pellucida
D) Acrosome reaction occurs
C) Sperm binds the zona pellucida
500
Which reproductive hormone primarily initiates lactation?
A) Progesterone
B) Oxytocin
C) Prolactin
D) Estrogen
C) Prolactin
500
Which immunoglobulin is the major antibody type found in livestock colostrum?
A) IgA
B) IgG
C) IgM
D) IgE
A) IgG