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Flashcards in Physiologic changes in preg Deck (12)
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1
Q

Changes occur in systems such as M, H, C, R, G, G, M

this allows for the making of ___
Supply ___ and clearing __
Survive ___ and ___ the offspring

Bulk of weight gain in preg comes from combined weight of ___ and ___ and __ and inc __ and ___ volume

Smaller portion comes from __ or ___

this is an IC __ and deposition of __ and __ due to alteration is __

A

metabolic, hematologic, CV, resp, GI/GU, msk

another human
building, waste products
childbirth, feed

fetus, placenta, amniotic sac, blood/fluid

maternal store/reserve

H2O retention, fat/protein, metabolism

2
Q

Inc in total body water at term is __ to __ L
3.5 L comes from

1.5-1.6 from expanded __
majority of this is __ volume

remained is __ fluid, __ fluid in uterus/breast and expaned ___

inc in protein needed for F, P, U, B, and B

500g protein deposited in _ and __
500g protein are in uterus in ___, in ___ of breasts, and in maternal ___

A
  1. 5-8.5L
    fetus. placenta, amniotic fluid

blood volume
plsma

extravascular, IC, adipose tissue

fetus, placenta, uterus, breasts, blood volume

fetus, placenta
contractile proteins, gland tissue, Hb

3
Q

Pregnancy is a state of ___
Peripheral ___ designed to ensure fetus has ample/sustained ___

Insulin sensitivity is ___% less than nonpregnant

Preg is ____
Facilitates ___ in early preg
inc ___ stores
Placental transfer late in preg allows for ___ and supplying essential ___

A

insulin resistance
insulin resistance, glucose

45-70%

hyperlipidemic
fat dep
maternal energy
fetal growth, FFA

4
Q

Plasma volume is maximal at ___ wks gestation, inc by ___ %

RBC mass inc by __%
this allows for inc prod of ___ rather than prolonging __
inc erthyropoeisis due to placental chorionic ____ P, and PRL

A

45-70

20-30

RBC, life
somatomammotropin

5
Q

__ and ___ systems augmented
Remain ___ overall

Cardiac output inc by ___%
in multiple gestations, inc is __
inc occurs by ___ wks gestation

__ and __ inc during preg
Inc in __ begins by 5wks and peaks by __wks

inc in __ begins by 8wks and peaks by ___ wks

In 3rd trimester, changes in CO determined by changes in ___

Bulk of inc CO directed to ___ (usually much__)
at term, uterus is receiving __mL/min blood

A

procoag, fibrinolytic
balanced

30-50%
more
5

SV, HR
HR, 32

SV, 20

SV

uterus, less

600

6
Q

Smooth muscle relaxing effects of ___ lead to dec ___ in preg

starts ___ and hits bottom __, returning to normal at ___

as a result, ___ is dec paralleling dec

CO/HR/SV all
SVR/BP will

A

P, systemic venous resistance

early, mid preg, term

BP, SVR

inc
dec

7
Q

Early in preg, changes occur in __ of chest cavity, leading to

_ volume of lung in ___
inspiratory capacity __
___ does not chnage

FRC ___ as both __ and ___ dec
diaphragm shifts ___

Minute ventilation eq
MV and __ inc
RR ___

MV inc, leading to inc ___
Alveolar O2 ___
Dec in alveolar ___, causing chronic respiratory ___

Inc ___ uptake to meet metabolic demand

A

config, expansion

dec, resting state
inc
Vital Capacity

dec, ERV and RV
upward

TV x RR
TV
stays the same

alveolar vent
inc
CO2
alkalosis

O2

8
Q

Total volume of gas entering lungs/min =

Amount of air passing into/out of lungs during normal breathing =

greatest volume of air exhaled after taking deepest possible breath =

Volume of lungs in resting state \_\_\_
ERV/RV \_\_\_
Diaphragmatic excursion \_\_\_
Inspiratory cap \_\_\_
no change in \_\_\_
\_\_ and \_\_ inc
\_\_\_ remains same
Inc exchange of \_\_
A

MV

tidal volume

vital capacity

dec
dec
inc
inc
vital capacity
MV/TV
RR
CO2
9
Q

Urinary system

Uterine growth causes displacement of bladder __ and __

__ causes dec ureteral tone, __ and contractile ___

Kidney enlarges by __, mostly on the __ side

Ureteral and renal pelvis dilation by ___wks, mostly on __ side

Symptoms worsen as __ and ___ compresses bladder
includes (4)

A

anteriorly, upward

P, peristalsis, strength

1cm, R

8wks, R

uterus enlarges, fetal head
freq, urgency, incontinence, nocturia

10
Q

Comps of urinary system
Inc incidence of __ and ___

Inc __ and renal ___
inc excretion of ___ and other ___

dec__, decline in ___, early decline in serum ___

A

bacteriuria and infections

GFR, renal plasma flow
protein, solutes

BUN,serum creatinine, UA levels

11
Q
GI system
elevated levels of \_\_\_ and \_\_\_ cause
Relaxation of \_\_ of stomach
Dec \_\_\_ tone
Dec \_\_\_\_

Sx (5)

A

hCG, progesterone
SM
esophageal sphincter
motility

N, V, Reflux, C, Hemorrhoids

12
Q

MSK
___ hormone prod by CL, __ and __ causes inc laxity of ___ and inc mobiluty of __

due to WG, __ on joints inc

change in center of gravity leads to exaggerated ___ of back

stretching/weaking of ___ puts inc strain of ___

inc __ caused by inc relaxin can contribute to ___ dysfxn

Ligaments ___ and prepare mother for

A

Relaxin, decidua/placenta, ligaments/bones

force

lumbar lordosis

ab muscles, paraspinal muscles

lig laxity, pubic symphysis

loosen, birth