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ANSC 4045 Final (NEW Material)
Exam with Answers Graded A+
puerperium Ans: What is it called when there is a period after parturition
when the reproductive tract returns to normal?
1. Myometrial contractions and expulsion of lochia
a. Discharge of fluids and compress uterine vasculature which reduces
hemorrhage and size of uterus
2. Endometrial repair
3. Resumption of ovarian function
4. Elimination of bacterial contamination of the reproductive tract Ans: What
are the 4 major events of uterine involution? List and describe them.
Blood -tinged fluid, remnants of fetal placenta and endometrial tissue Ans:
What is lochia?
postpartum suckling and oxytocin release Ans: What enhances myometrial
contractions after parturition?
5-10 d: increase in blood and tissue
14-18 d: almost nonexistent Ans: Describe the changes in lochia discharge
after parturition (right after parturition, between days 5 and 10, between days
14 to 18).
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Sloughing of caruncular surfaces Ans: What causes vascular "stubs" on the
endometrium that leak blood?
· Beef cow: 20d
· Dairy cow: 45-50d
· Ewe: 30d
· Mare: 21-28d
· Sow: 28-30d
· Woman: 40-45d Ans: Know how long uterine involution takes in the
domestic species discussed in class.
Mammary ridges—two lateral lines of slightly thickened ridges of epidermis
Ans: Describe where mammary glands arise during fetal development.
Primary bud: grows pushing into underlying dermis
Secondary bud: bud protrusions from primary buds
Branched bud: canalize forming tiny ducts Ans: Describe the primary,
secondary, and branched mammary buds.
At birth Ans: When do the lactiferous ducts open into larger ducts?
Be able to label the diagrams of mammary tissue development. Ans: Be able
to label the diagrams of mammary tissue development.
· Birth to puberty: isometric growth
ANSC 4045 Final (NEW Material)
Exam with Answers Graded A+
puerperium Ans: What is it called when there is a period after parturition
when the reproductive tract returns to normal?
1. Myometrial contractions and expulsion of lochia
a. Discharge of fluids and compress uterine vasculature which reduces
hemorrhage and size of uterus
2. Endometrial repair
3. Resumption of ovarian function
4. Elimination of bacterial contamination of the reproductive tract Ans: What
are the 4 major events of uterine involution? List and describe them.
Blood -tinged fluid, remnants of fetal placenta and endometrial tissue Ans:
What is lochia?
postpartum suckling and oxytocin release Ans: What enhances myometrial
contractions after parturition?
5-10 d: increase in blood and tissue
14-18 d: almost nonexistent Ans: Describe the changes in lochia discharge
after parturition (right after parturition, between days 5 and 10, between days
14 to 18).
, 2|Page
Sloughing of caruncular surfaces Ans: What causes vascular "stubs" on the
endometrium that leak blood?
· Beef cow: 20d
· Dairy cow: 45-50d
· Ewe: 30d
· Mare: 21-28d
· Sow: 28-30d
· Woman: 40-45d Ans: Know how long uterine involution takes in the
domestic species discussed in class.
Mammary ridges—two lateral lines of slightly thickened ridges of epidermis
Ans: Describe where mammary glands arise during fetal development.
Primary bud: grows pushing into underlying dermis
Secondary bud: bud protrusions from primary buds
Branched bud: canalize forming tiny ducts Ans: Describe the primary,
secondary, and branched mammary buds.
At birth Ans: When do the lactiferous ducts open into larger ducts?
Be able to label the diagrams of mammary tissue development. Ans: Be able
to label the diagrams of mammary tissue development.
· Birth to puberty: isometric growth
