week 3

Question 1

what are the three parts of “powers”?

Answer 1

1. contractions
2. pushing
3. physiological reaction to labor

Question 2

The uterus is inervated by the ________

Answer 2

sympathetic nervous system

Question 3

What is the most important “power”?

Answer 3

contractions

Question 4

resting pressure of contraction should be ______

Answer 4

5-12 mm Hg

Question 5

THe pacemaker is found in the ________

Answer 5

coronal area of the fundus

Question 6

the ______ _______ _______ means that the amplitude of pressure in the fundus is higher and lasts longer than in the rest of the uterus

Answer 6

normal gradient pattern

Question 7

What does the upper contracting zone do?

Answer 7

thickens and expels the baby

Question 8

the lower zone does not _______

Answer 8

contract

Question 9

What does the lower zone made up of and what is its purpose?

Answer 9

made up of the lower uterine segment and the cervix. It thins into an expanded musculat tube through which the baby passes

Question 10

____________ probably play a critical role in the start of labor

Answer 10

prostaglandins

Question 11

prostglandins cause biochemical changes in the ________ tissue of the _____ and the lower uterine segment

Answer 11

connective tissue of the cervix

Question 12

PG’s mediate ____________ and enhance contractility

Answer 12

labor onset

Question 13

what does the endocrine pathway primarily operate around?

Answer 13

placenta and fetus

Question 14

what is the mechanical pathway stimulated by ______ _____ which increases the contracility if the myometrium and its responsiveness to ____________

Answer 14

fetal growth, prostaglandins

Question 15

_____________ withdrawal at term explains labor in some animal species

Answer 15

progesterone

Question 16

________ ______ increase throughout pregnancy and labor

Answer 16

oxytocin receptors

Question 17

failed inductions are usually due to

Answer 17

decreased oxytocin receptors.

Question 18

what is considered the transition phase (as far as dilitation?)

Answer 18

7-10 cm

Question 19

what is the myometrium made of?

Answer 19

smooth muscle fibers

Question 20

Indications for amniotomy? (4)

Answer 20

1. internals 2. delivery is immenent 3.stimulate labor 4. facilitate fetal decent

Question 21

Two problems that could occur from a full bladder

Answer 21

The bladder may become a physical obstacle for baby to have to move aound, and hyptonia and long lasting urinary incontinence may result

Question 22

What can cause prolonged second stage?

Answer 22

materal age, fetal weight, prolonged gestation, uncoordinated contraction pattern, malposition, cpd