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OB Exam 3 Verified Answers

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OB Exam 3 Verified Answers 5 essential factors that affect the process of labor (5 P's) 1. Passenger 2. Passageway 3. Powers 4. Position 5. Psych. / Psychosocial -shortest anterior posterior measurement Obstetric Conjugate -shortest pelvic diameter transverse diameter Anthropoid -...

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  • August 20, 2024
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  • 2024/2025
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OB Exam 3 Verified Answers
5 essential factors that affect the process of labor (5 P's)

1. Passenger
2. Passageway
3. Powers
4. Position
5. Psych. / Psychosocial

-shortest anterior posterior measurement

Obstetric Conjugate



-shortest pelvic diameter

transverse diameter

Anthropoid

-not as common, but still favorable for vaginal birth

In the first stage of labor, the stretching is of the ________________________ and the
__________________

lower uterine segment; cervix

In the second stage of labor, the stretching is of the ______________ and the ______________

vagina; perineum

Most common complication of epidural

hypotension

how to treat spinal headache

HOB flat
Hydration

Amniotomy

AROM




Placenta implanted in lower uterine segment near or over internal cervical os

,placenta previa




Suspect __________ when bleeding occurs after 20 weeks

previa

_______________: manifestations include painless vaginal bleeding, soft uterus, and the FHR is usually
reassuring.

Abruptio Placenta

Placenta Previa

Vasa Previa

Hypocoagi Previa

Placenta previa




Separation of normally implanted placenta after 20th week gestation and before birth of baby

abruptio placenta




Bleeding may be evident or concealed, uterus is tender and rises with abd and this can be caused by
cocaine use, HTN, increased pariety and smoking.

Abruptio Placenta

Placenta Previa

, Vasa Previa

Hypocoagi Previa

Abruptio Placenta




Velamentous insertion of cord in which the vessels are crossing through cervical os; unable to 'clamp'

vasa previa




Clotting studies for DIC

Increased aPT, aPTT, Fibrin
Decreased Platelets, Fibrinogen

Signs of DIC

unusual bleeding from injection sites, gums, nose; wide spread petechia

Potential causes of DIC

Missed miscarriage
Severe preeclampsia
Abruptio placenta
Chorioamnionitis

Normal early labor pattern that converts into hypotonic pattern characterized by infrequent
contractions that slow and stop dilation and fetal descent.

hypotonic dysfunction

Contributing factors of hypotonic dysfunction

Overdistended uterus
grand multipariety
sedation in latent phase (0-3)

The first sign of shoulder dystocia is referred to as:

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