ANSC 4402

ANSC 4402 EXAM QUESTIONS AND ANSWERS A+ GRADED Name the three muscles that control testis temperature. 1. Tunica Dartos muscle 2. Cremaster Muscle 3. Pampiniform Plexis When do testicles usually descend? 10-14 days before or after birth What are the three parts of the epididymis and their role? Head- maturation Body- maturation Tail- storage What should we do if we want our horse really tall? Castrate early because testosterone closes growth plates What should we do if you want ...

ANSC 4402 REPRODUCTIVE PHYSIOLOGY EXAM QUESTIONS AND ANSWERS A+ GRADED What are the two primary functions of the ovary? 1. Produce eggs 2. Produce hormones What are the hormones the ovary produces? Estrogen progesterone relaxin Main characteristics of the estrogen hormone -secondary female sex characteristics -development of the reproductive tract -development of the mammary system What hormone is in charge of Estrus behavior? Estrogen What are characteristics of the progest...

ANSC 4402 EQUINE HEALTH EXAM QUESTIONS AND ANSWERS A+ GRADED Cushing's Disease Overdevelopment of that portion of the pituitary glandCauses over-secretion of cortisol by the adrenal glands Causes high blood sugar and suppression of the immune system 15 - 30% of horses over the age of 20 are affected Common in people and older dogs as well What is PPID? Pituitary Pars Intermedia Dysfunction Cushing's - Treatment Give antioxidants, such as Vitamins E and C, Feed a low sugar, low...

ANSC 4402 -STALLION EXAM QUESTIONS AND ANSWERS A+ GRADED What is the purpose of the Tunica Dartos Muscle The Tunica Dartos is part of the scrotum, it draws the testes closer to the body when cold. What cells surround the seminiferous tubules? What are their purpose? Sertoli cells: Spermatogonia Leydig Cells: produce testosterone What are the parts of the epididymis in order/ what do they do? Head: maturation Body: Maturation Tail: Storage T/F the ductus deferens is another form of ...

ANSC 4402 -HORSE PRODUCTION EXAM QUESTIONS AND ANSWERS A+ GRADED What hormones does the ovary produce? The ovary produces estrogen, progesterone, and relaxin. What are the functions of estrogen? Development of the reproductive tract and mammary system. What produces estrogen? follicles What produces progesterone? the corpus luteum What does progesterone prepare the body for? Progesterone prepares the uterus for pregnancy and maintains the pregnancy. It also prepares the mammary gla...

ANSC 4402 REPRO PHYS EXAM QUESTIONS AND ANSWERS A+ GRADED Purpose of relaxin Dilates ("relaxes") the birth canal Estrous vs Estrus estrOUs- complete reproductive cycle (21 days) estrUs- receptive to breeding (6 days) When is a mare USUALLY anestrus? winter months, less daylight, shorter days Effect of light on melatonin increased light (longer days) decreases the production of melatonin. Low melatonin signals GnRH to be released Signs of estrus or "heat" labia winki...

ANSC 4402 -WOUND CARE EXAM QUESTIONS AND ANSWERS A+ GRADED When to call a veterinarian immediately: -respiratory distress -excessive bleeding or -injury with deep wounds suspected bone fracture -eye injury -acute abdominal pain -non-weight bearing lameness, inability to stand or move -high temperature with loss of appetite or anxiety -a foaling mare that has been straining for 30 minutes When covering a leg wound: cover the wound with a non-stick telfa pad, or if drainage needs to...

ANSC 4402 EXAM QUESTIONS AND ANSWERS A+ GRADED the parts of a stallion •Scrotum •Testis •Epididymis •Spermatic Cord •Accessory Sex Glands •Penis •Prepuce the scrotum •Sac of skin that houses the testes -Testes lie horizontal in scrotum •Skin is thin, not much hair, darkly pigmented •"It glistens from sebaceous secretion" •Tunica dartos muscle: -Draws testes closer to body when cold the testes •Testicle or testis (plural = testes) •Produces t...

ANSC 4402 EQUINE REPRO EXAM QUESTIONS AND ANSWERS A+ GRADED What tissues are the ovaries made out of? Medulla- Located on the outside Cortex- Located in the inside What covers the ovary? Thick connective tissue= difficulty palpation, different from cattle, What are the characteristics of the Oviducts -Also called fallopian tubes -8 in long -Suspended by mesosalpinx What are the parts of the oviduct 1. Infundibulum 2. Ampulla 3. Isthmus 4. Uterotubal Junction What does the inf...

ANSC 4402 GENETICS AND CONDITIONING EXAM QUESTIONS AND ANSWERS A+ GRADED twitch the contraction and relaxation of a muscle fiber is called a ___ slow twitch, fast twitch high oxidative (FTa), fast twitch low oxidative (FTb) what are the 3 muscle fiber types? athletic fiber type influences ___ potential 3 fast twitch fibers contract ___ times faster than slow twitch fibers red fibers or type 1 fibers what are slow twitch muscle fibers also known as? oxygen mitochondria use ___ to ...