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Obstetric pharm terms study guide 2024
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Pregnancy decreases MAC __ % at term - ANS- 40 Decreased MAC is mostly likely because of what 2 hormones - ANS- ^ progesterone ^ B-endorphin Pregnancy causes a ___ sensitivity to LA - ANS- Enhanced Pregnancy causes epidural venous ___ - ANS- Engorgement Pregnancy causes __ CSF - ANS- Decreased...

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  • September 4, 2024
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  • 2024/2025
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Obstetric pharm terms study guide 2024

Pregnancy decreases MAC __ % at term - ANS- 40



Decreased MAC is mostly likely because of what 2 hormones - ANS- ^ progesterone

^ B-endorphin



Pregnancy causes a ___ sensitivity to LA - ANS- Enhanced



Pregnancy causes epidural venous ___ - ANS- Engorgement



Pregnancy causes __ CSF - ANS- Decreased



Pregnancy causes epidural venous engorgement and decreased CSF which ___ Cephalad spread of LA -
ANS- Increased



1st stage of labor pain is ___in nature - ANS- Visceral



1st stage of labor pain occurs from what 2 things - ANS- - uterine contractions

- cervical dilation



1st stage of labor pain travels to __ -___ spinal segments - ANS- T10-L1



1st stage of labor pain travels via sympathetic __ and ___ fibers - ANS- - A-delta

- C fibers

,2nd stage of labor ___ of infant - ANS- Delivery



2nd stage of labor pain is __ in nature - ANS- Somatic



2nd stage of labor pain results from stretching of the __ & ___ - ANS- - Vagina

- perineum



2nd stage of labor pain travels to __-___ spinal segments - ANS- S2-S4



2nd stage of labor pain travels via the __ nerve - ANS- Pudendal



Somatic pain is described as ___ - ANS- Sharp



Visceral pain is described as___ - ANS- Dull



psychoprophylaxis is what - ANS- Natural/ Lamaze childbirth



TENS for labor pain - ANS- Gate theory



Etonox is what mixture - ANS- 50/50 N2O/O2



Etonox side effects (4) - ANS- - dizziness

- N/V

- dysphoria

,- lack of cooperation



Etonox appears to have no hepatic

, renal, cardiac, or pulmonary impact T/F - ANS- True



Opioids readily cross __ ___ - ANS- Placental barrier



disadvantageS of IV analgesia during labor

- inadequate ___ ___

- fetal and maternal ___ ___

- __/___

- decreased ___ tone - ANS- - pain relief

- respiratory depression

- N/V

- decreased LES tone



Demerol assist with labor __ - ANS- Shivering



___ after demoral use remains in neonates for several days - ANS- Normeperidine



Fentanyl causes maternal respiratory depression outlast ___ - ANS- Analgesia



___ is rarely utilized IV for laboring mom because of long duration, maternal sedation and fetal
depression - ANS- Morphine



___ pain med IV can be utilized in labor as PCA, has rapid metabolism, less satisfaction when compared

, with epidural - ANS- Remifentanil



Higher doses of butorphanol and nalbuphine do not result in ___ ___ - ANS- Respiratory depression



10 mg of morphine is = to ___ mg of butorphanol - ANS- 10



Avoid what people when giving butorphanol or nalbuphine - ANS- Opioid dependent pts



paracervical plexus block is for the ___ stage of labor - ANS- 1st



paracervical block is associated with high rate of fetal ___ because of the close proximity of injection site
to uterine artery - ANS- Bradycardia



Pudendal nerve block is perineal anesthesia for ___ stage of labor - ANS- 2nd



pudental nerve block risk (3) - ANS- - Iv injection

- hematoma

- abscess



Epidural. Test dose __ mL of 1.5% lidocaine with epi 1:200K - ANS- 3mL = 45 mg lido with 15 mcg of epi



How long do you wait after test dose - ANS- 3-5 min



Epidural initial bolus dose ___—___ lidocaine 1% or ropivacaine 0.2% +/- ___ fent - ANS- 6-8 mL

100mcg

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