Questions Flashcards

1
Q

The body compensates for the increase in O2 demand by increasing MV. This is primarily accomplished by what means?

A

Increasing TV with slight increase in respiratory rate

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2
Q

FRC is greatly reduced in pregnancy leading to rapid desaturation during apnea. T/F

A

True

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3
Q

What causes dilutional anemia

A

Plasma volume increases by 50% but red cell volume increases by a smaller amount.

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4
Q

Primary treatment for aortocaval compression

A

LUD

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5
Q

GI changes in the paturient causes

A

Esophageal sphincter to relax

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6
Q

Early changes are primarily caused by

A

Progesterone

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7
Q

A patient is scheduled for an elective procedure which requires general anesthetic. She is 22 weeks pregnant what is required?

A

RSI

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8
Q

Relaxin causes what?

A

Softening of the cervix
Inhibition of uterine contractions
Relaxation of pelvic joints

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9
Q

Ion trapping in the fetus occurs most commonly with which of the following combination?

A

Weak base in presence of decrease in fetal pH

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10
Q

Which order reflects vascular absorption from most to least?

A

Paracervical
Caudal
Lumbar
Spinal

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11
Q

Under normal conditions blood as a whole from the umbilical cord will bypass the liver of the fetus as it initially enters the fetus

A

True

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12
Q

Probably causes of fetal tachycardia

A

Thyrotoxicosis, fetal anemia, recovery from asphyxia

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13
Q

What is not a cause of fetal tachycardia?

A

Cord compression

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14
Q

What is not a probable cause of fetal bradycardia?

A

Prematurity

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15
Q

Early decel

A

Occurs with contraction has smooth shape not a bad sign.

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16
Q

An accurate description of late decel is

A

Occurs after the start of the contraction has a smooth shape is a BAD sign

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17
Q

List four different treatments for fetal bradycardia and or late decels. Ultimate fallback plan?

A

Fluids ephedrine/phenylephrine
Turn down epidural
LUD RUD
O2

Emergent c/s if this doesnt work

18
Q

RA and MS symptoms worsen with pregnancy. T/F

A

False improve

19
Q

Acute vs chronic cocaine abuse and MAC

A

Decreased chronic

Increased acute

20
Q

Drug of choice for htn with cocaine

A

Labetalol

21
Q

Which of the following would you expect to be the plan for delivery for an HIV+ paturient?

A

C/S with antiviral therapy

22
Q

How would drug dosing change in HIV patient?

A

Decrease doses

23
Q

Scoliosis and harrington rods extending below what level are NOT contraindications to epidural?

A

L1

24
Q

Infection, trauma, and failure to administer insulin could all lead to what?

A

Excarbation of insulin deficiency in the diabetic patient

25
Q

Obstetric patients with diabetes are more likely to need C/s t/f

A

T

26
Q

Aortic Stenosis?

Mitral Stenosis?

A

Normal HR SVR Preload

27
Q

Mitral Regurg?

Aortic insufficiency?

A

Increased HR Preload

Decreased SVR

28
Q

Patients with which disease are most likely to develop complications with continuous laboring epidurals?

A

Aortic stenosis

29
Q

What is not a listed complication of VBAC?

A

Placenta Previa

30
Q

What has painless vaginal bleeding?

A

Placenta previa

31
Q

What may have bleeding or may not if baby is block cervix so bleeding is not seen?

A

Placental abruption

32
Q

Watch maternal state and severity of bleeding when considering regional

A

Tachy, pale, dont do regional do GETA

33
Q

Should surgical field be above heart for VAE?

A

NOPE!

34
Q

Describe pain during 2nd stage of labor

A

Pain is somatic and due to distention and frank injury to the perineum and pelvic floor
Comes from S2-4

35
Q

What is dosage and concentration of test dose? What effects?

A

3 ml lidocaine 1.5% so 45mg and 1:200,000 epi so 15 mcg

Cant lift legs 5 min inj SAB
Circumoral numbness, tinnitus, increased HR IV

36
Q

List 3 advantages and 2 disadvantages to epidural opioids

A

Advantages: Increased onset time, duration, density, no motor block, decreases SE of local, synergy, used for long term pain control, decreased concentration of LA

Disadvantages: Disguises poor epidural, Narc SE, cant be used in 2nd stage of labor

37
Q

Epidurals are contraindicated in VBACs due to possibility of delaying recognition and treatment of complications T/F

A

F

38
Q

Catheter is threaded out of the epidural needle 2cm and will no longer advance. Next action?

A

Withdraw the needle and catheter entirely, withdraw catheter from needle and start over.

39
Q

What are some reasons for inadequate block of labor epidural?

A

Inadequate dose of LA, patient increased metabolism or tolerance of LA or opiates
Catheter migration
Unilateral block

40
Q

What are the hallmark signs associated with PDPH?

A

Postural HA severe when sitting up and resolves when lying flat

41
Q

What treatment is over 90% effective for PDPH

A

Blood patch 20 - 30 ml of own blood

42
Q

Obese patient consider what?

A
Ramping
Longer needles
Positioning as supine leads to hypoxia
Higherpeak pressures 
C/S- hypoxia due to pannus over abdomen and chest wall.