Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
16 Cards in this Set
- Front
- Back
|
at end of 6 weeks the embryo has
|
four chambered heart
nostrils fingers and toes begin to form brain development |
|
|
when is embryo considered fetus
|
8 weeks
|
|
|
when can heartbeat be detected with doppler or heart monitor
|
10 weeks
|
|
|
when can fetal heartbeat be heard by stethoscope
|
20 weeks
|
|
|
age of fetus in which nearly all babies born will survive
|
28 weeks
|
|
|
effect of pregnancy on hematology
|
plasma volume increases
RBC mass increases, but not as much as plasma volume get hemodilution...makes it easier to become iron deficiecny anemic |
|
|
effect of pregnancy on cardiovascular system
|
decreases systemic vascular resistance
stroke volume increases HR incresaes heart size increases supine position may compress vena cava -> decreased venous return, decreased cardiac output, hypotension mean arterial pressure increases pulse pressure increase varicose veins heart displaced to left and up |
|
|
effect of pregnancy on respiration
|
tidal volume increase
which means decrease inspiratory reserve and expiratory reserve residual volume decreases diaphragm rises 4cm less negative intrathoracic pressure woman will feel short of breath |
|
|
effect of progesterone on respiration
|
progesterone stimulates ventilation by increasing sensitivity of respiratory centers
|
|
|
effect of pregnancy on endocrine/metabolic system
|
hyperglycemia after eating - need to ensure glucose for baby (insulin resistance)
higher reliance on lipid metabolism via placental lactogen - like growth hormone -> insulin resist, and increased lypolysis |
|
|
how are pituitary hormones affected by pregnancy
|
decreased FSH/:LH
oxytocin unchanged everything else increased |
|
|
pregnancy affect on GI tract
|
displacement of stomach and intestines
appenedix is now in the right flank gastric emptying time increased impaired contraction of gallbladder - promotes stasis -> stones |
|
|
effect on hcg on weight
|
increases weight loss
|
|
|
pregnancy effect on skin
|
straie - on breasts, thigh and abdomen
linea nigra cholasema malesma - mask of pregnancy |
|
|
effect of pregnancy on excretion of nutrients
|
glucose, AA, vitamines are lost faster
increased urinary frequency due to compression |
|
|
effect of pregnancy on liver
|
increaesd Alk phos
other liver enz may be slightly lowered albumin lower |
