NSG 310 OB Exam 2 Practice Questions and Correct Answers
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Course
NSG 310
Institution
NSG 310
Early deceleration Slowing of the FHR with the start of a contraction with it returning to baseline at the end of the contraction; not harmful
-when the fetus' head is compressed when the fetus is moving through the birth canal -during contractions -during a vaginal exam -due to fundal pressure Wh...
NSG 310 OB Exam 2 Practice Questions
and Correct Answers
Early deceleration ✅Slowing of the FHR with the start of a contraction with it returning
to baseline at the end of the contraction; not harmful
-when the fetus' head is compressed when the fetus is moving through the birth canal
-during contractions
-during a vaginal exam
-due to fundal pressure ✅When does early deceleration occur?
Late deceleration ✅Slowing of the FHR after contraction starts and returning to the
baseline well after the contraction has finished; can be harmful to the fetus
-inadequate fetal oxygenation
-maternal hypotension
-late/post term pregnancy
-preeclampsia
-maternal diabetes ✅When does late deceleration occur?
Variable deceleration ✅An abrupt decrease in fetal heart rate below the baseline (less
than 110/min for 10 mins); Looks like a dramatized late deceleration; rare but can be
harmful if occurs often
-umbilical cord compression
-a short cord
-a prolapsed cord
-a nuchal cord ✅When may variable deceleration occur?
-if the mother has a fever, chorioamniotitis (inflammation of the fetal membrane due to a
bacterial infection)
-hyperthyroidism
-if they are on certain medications
-f the fetus has tachyarrhythmia, hypoxia, anemia, or an infection ✅What might cause
fetal tachycardia?
A spinal block is used. It numbs from the mother's abdomen down without putting her to
sleep. Sometimes general anesthesia is used if it is an emergency C-section. ✅What
type of anesthesia is used for a C-Section and why?
stage of dilation, separated into 3 phases. (contractions & opening of the cervix) ✅First
stage of labor:
, birth of baby (baby descends into vagina, mother pushes baby down & out) ✅Second
stage of labor:
placental stage (begins once baby is born and ends after you deliver the placenta)
✅Third stage of labor:
1-4 hrs. after birth, want to make sure mother isn't bleeding ✅Fourth stage of labor:
-Phase 1- latent phase 0-4 cms
-Phase 2- active phase 4-7 cms
-Phase 3- transition phase 7-10 cms ✅In stage one what are the phases of dilation?
Teaching should be done in the Latent phase of the 1st phase because past this phase,
the mother will not be as actively engaged and not be able to focus as well in any other
phase ✅What phase of labor should teaching be done in and why?
Medication is given during active phase of labor in stage 1 because pain has increased
and it will still be affective. It should not be given in the third phase because it could
potentially affect the fetus ✅What phase of labor should medication be given and why?
-Normal frequency: 25-35 seconds
-Duration: from the beginning of one contraction to the beginning of the next
-Intensity: first described as mild cramping then get worse as labor progresses ✅What
is normal frequency, intensity and duration of a contraction?
The fetuses head presses on the mother's sacrum ✅What causes the pain of back
labor (or posterior presentations)?
Local anesthesia is an injection given at the site of pain which is used to block pain in
specific areas. It is used for episiotomy or vaginal repairs. ✅What is local anesthesia
and when is it used?
An anesthetic for the vagina, vulva, and perineum that is used for episiotomies. ✅What
is a pudendal nerve block and when is it used?
-Engagement
-Descent
-Flexion
-Internal rotation
-Extension
-External rotation
-Expulsion ✅What is the sequence of events that helps the fetal head to adapt to the
birth canal?
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