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53 Cards in this Set
- Front
- Back
what mouth problem increases w/ pregnancy?
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Gingival Dz
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how does glucose cross the placenta?
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faciliated diffusion
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how do amino acids cross the placenta?
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active transport
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how does pregnancy effect appetite?
gastric motility? |
apetite Increases
motility Decreases |
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how does pregnancy affect GB emptying?
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emptying is delayed
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how does pregnancy affect liver enzymes?
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Increase
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when does "morning sickness" begin?
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4 - 8 weeks
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what causes Ptyalism?
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inability for patient to swallow normal amounts of saliva
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what causes the decreased GI motility during pregnancy?
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increased Progesterone
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how many additional calories is allowed daily w/ pregnancy?
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300
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transit time in the stomach and small intestines increases by what percent in the second and third trimesters?
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15 - 30%
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during pregnancy how does the tone of the gastroesophageal sphinctor change?
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it Decreases
(GERD increases) |
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Definition:
pregnancy-related vascular swelling of the gums |
Epulis
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what pulmonary measurement is decreased throughout pregnancy?
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Carbon dioxide pressure
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what pulmonary measurement is decreased in late pregnancy?
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Functional Reserve Capacity
(FRC) |
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what is the maternal acid-base balance in pregnancy?
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mild Respiratory Alkalosis
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the Tidal volume in pregnancy increases by what percent?
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30 - 40%
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in a normal singleton pregnancy what is the percent increase of maternal blood volume?
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45%
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in what position is maternal BP the highest?
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Seated
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what is the BP change in the lateral recumbent position of the inferior arm of a pregnant mother?
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BP in inferior arm is higher then superior arm
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pregnancy-assoc systolic ejection murmurs are heard best where?
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over left upper sternal boarder
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compensation for the occlusion of the inferior vena cava by the pregnant uterus is accomplished by shunting blood through what?
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Paravertebral collateral circulation
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what causes inferior vena cava syndrome?
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compression by the gravid uterine corpus
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what causes the decrease in peripheral vascular resistance during pregnancy?
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increased Progesterone
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plasma volume begins to increase at the sixth week of pregnancy and reaches its maximum at what time?
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30 - 34 weeks
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what hematologic parameter is decreased in pregnancy?
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Hematocrit
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what lab value related to iron is increased in pregnancy?
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Total Iron-binding capacity
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what CV risk increases w/ pregnancy?
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thromboembolism
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what does lack of maternal iron ingestion during pregnancy result in?
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Maternal Anemia
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what renal functions increase during pregnancy?
(3) |
GFR,
Renal Plasma Flow, Renin |
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during pregnancy, what is the effect of progesterone on the ureters?
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there is more dilation of the right versus the left
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what (3) urinary labs decrease in pregnancy?
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Creatinine,
Uric Acid, Blood Urea Nitrogen |
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Definition:
change in facial pigmentation during preganacy |
Chloasma
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what causes blurred vision during pregnancy?
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swelling of the lens
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what percent of total CO is channeled to the uterus during pregnancy?
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20%
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what is the main metabolic change that occurs w/ pregnancy?
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Hyperglycemia
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what causes the "hemorrhoids" that develop late in pregnancy?
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elevated pelvic venous pressure
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what is the thyroid change in pregnancy?
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none...Euthyroid
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what is Diastasis recti?
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Midline separation of the rectus muscles
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how does the CO2 gradient b/t fetus and mother change in the later half of pregnancy?
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Increases
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how much does the BUN fall in the first trimester?
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25%
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what is the urinary protein loss in pregnancy?
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100 - 300 mg/24 hrs
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how long after the delivery will the hair loss assoc w/ pregnancy return?
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6 - 12 months
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when does breast enlargement occur w/ pregnancy?
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first trimester
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the vision changes in pregnancy assoc. w/ increased thickness of the cornea regresses within what time?
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6 - 8 weeks postpartum
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why is supplemental vitamin K given to newborns?
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b/c of their fetal liver immaturity in the immediate newborn
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what is the change in serum bicarb levels during pregnancy?
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significantly lower
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the umbilical blood flow represents about what percent of the combined output of both fetal ventricles?
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40%
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the fetal kidney froms urine at what rate?
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400 - 1200 mL/day
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in the later half of pregnancy, umbilical blood flow is what?
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300 mL/mg/minute
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what is the normal constant fetal heart rate?
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120 - 180 bmp
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maternal diastolic BP and Mean Arterial volume nadir when?
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16 - 20 weeks
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an increase in breast volume of what percent is common in pregnancy?
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25 - 50%
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