Answered: 11) Postpartum estrus (PPE) is the…

Phlebotomy Essentials

6th Edition

ISBN:9781451194524

Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Chapter1: Phlebotomy: Past And Present And The Healthcare Setting

Section: Chapter Questions

Problem 1SRQ

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Question

11) Postpartum estrus (PPE) is the period of receptivity immediately following parturition (giving birth).

Select all that apply

a) It occurs because the drop in progesterone levels resulting from the regression of the CL release DA from inhibition.

b) A mouse can be pregnant and nursing a litter at the same time. If she is, the P4 coming from the CL of her pregnancy will prevent her from cycling from PPE to parturition.

c) If a mouse mates with a sterile male during PPE, the resulting CL will still be maintained by the PRL released in response to suckling so she will not cycle from PPE to parturition.

d) A mouse that breeds during PPE and continues to nurse the first litter may have a longer than normal gestation due to embryonic diapause.

e) A mouse that breeds during PPE and continues to nurse the first litter may have a smaller than normal litter due to embryonic diapause.

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