Exam (elaborations)
Bio 344 - Pregnancy Questions answers latest update
- Course
- Bio 344
- Institution
- University Of Texas - Austin
Bio 344 - Pregnancy Questions answers latest update
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Bio 344 - PregnancyPercent increase in plasma volume during pregnancy - 50% increase
Percent increase in red blood cell volume during pregnancy - 30% increase
Dilutional anemia - A condition in which a woman's hemoglobin levels fall to 11.5
g/dl during pregnancy
Why do pregnant women experience an increase in blood volume while
pregnant? - The increase in these levels safeguards the mother from detrimental
blood loss during child birth
Aside from RBC and plasma, what other component of the blood increases during
pregnancy - White blood cell count
Hypercoagulable state - A condition of increased production of maternal
hemoglobin factors
Plasminogen activator inhibitor - A factor produced by the placenta that helps
inhibit the degradation of fibrin, a protein that plays a role in blood clotting
, Thromboembolic disease - A condition in which a blood clot forms in a vessel, and
travels throughout the circulatory system. Such clots can lead to pulmonary
embolism or stroke. More common during pregnancy.
Which cardiovascular actions increase their activity during pregnancy? - Cardiac
output, stroke volume, and pulse increase
Systolic ejection murmur - A condition in which a woman experiences turbulent
forward flow across the right and left ventricular outflow tract due to obstruction
to blood flow, vascular dilation, increase in the velocity of flow or a combination.
S3 gallop - The third heart sound produced when the mitral valve opens and
blood thuds against the wall of the left ventricle. This sound can be more audible
in pregnant women due to increased blood flow/volume.
Peripheral vascular resistance - The resistance of vessels to increased blood flow
in the form of constriction and dilation. Pregnant women experience a reduced
level of resistance because her vessels must dilate to accommodate increased
blood volume.
Normal pattern of blood pressure during pregnancy - Pressure falls during second
trimester and returns to normal after the third trimester
Estrogen effect on respiratory system - Hormone causes nasal mucosa to become
congested and edematous
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