BSNC 5000 Maternity Module 1 Questions
with Complete Solutions
What factors decrease uterine blood flow? - Answer-Low arterial blood pressure,
contractions of the uterus, supine position
What hormone increases blood flow? - Answer-Estrogen
How to measure blood flow? - Answer-Doppler ultrasound, fetal stethoscope
What cervical changes occur during pregnancy? - Answer-The cervix is very responsive
to hormonal changes of pregnancy. Cervix is firm, non-distensible, closed structure
which changes to a highly elastic tissue that dilates and becomes almost
indistinguishable during labor in preparation for birth.
What is ballottement? - Answer-Changes related to the presence of the fetus. Passive
movement of the unengaged fetus.
What is prolactin? - Answer-Stimulates production of colostrum by end of the first
trimester. In second trimester, hPL stimulates secretion of colostrum. Highest in the first
10 days after birth between 2-4am - in response to infant suckling to the breast.
Why do mom's have slight cardiac hypertrophy? - Answer-Secondary to increased
blood volume and cardiac output that occurs in pregnancy. Heart returns to normal size
6 months after pregnancy.
Circulation and coagulation times during pregnancy. - Answer-Pregnancy is a
hypercoaguable state - 5-6x increased risk for thromboembolic disease. Circulation time
decreases slightly by week 32.
Increase in clotting factors (VII, VIIIm IX, and X, and fibrinogen). Decrease in factors
that inhibit coagulation. clot suppression/lysis is suppressed during pregnancy to protect
against blood loss.
Hematologic lab value changes during pregnancy. - Answer-hgb and hct decreases due
to plasma increase. Increase in RBC.
Respiratory system changes during pregnancy. - Answer-Maternal oxygen consumption
increases during pregnancy by 20-40%. In advanced pregnancy, chest breathing
replaces abdominal breathing, becomes less possible for the diaphragm to descend
with inspiration.
, What changes occur to the URT? - Answer-The upper respiratory tract becomes more
vascular in response to elevated levels of estrogen. Edema and hyperemia develop.
What is the role of oxytocin? - Answer-stimulates uterine contractions and promotes
birth, increased during breastfeeding due to suckling reflex, uterine involution (after
pains).
What can inhibit breast milk production? - Answer-Stress, fear, alcohol consumption,
decreased oxytocin.
Fluid and electrolyte imbalance. - Answer-Increase in total body water is linked to total
blood volume. Increased water loss induces polydipsia. Glycosuria occurs at varying
times.
What is acroesthesia? - Answer-Numbness and tingling of hands caused by stoop-
shouldered stance.
What is hyperemesis gravidarum? - Answer-An electrolyte imbalance or ketonuria,
characterized by persistent vomiting that leads to weight loss of greater than 5% or pre-
pregnancy weight.
Stages of adaptation during pregnancy. - Answer-Accepting the pregnancy. Identifying
the role of the mother. Establishing relationship with unborn child. Establishing a
relationship with the fetus. Preparing for birth. Sibling adaptation.
When is the first trimester? - Answer-0-14 weeks. Fast growth and development. At
highest risk for hazards.
When is the second trimester? - Answer-15-27 weeks. Baby brain begins to develop.
When is the third trimester? - Answer-28-40 weeks. Preparing to be born. Can safely
arrive at 36 weeks.
What is TORCH? What are the modes of transmission? - Answer-T- toxoplasmosis
O - other: Syphilis, parovirus, B19, Hepatitis
R- rubella
C - cytomegalovirus (CMV)
H - HSV
CHN Responsibilities when partnering with families: - Answer-Helping families promote
their health and wellbeing, assisting with identification of families to develop useful
interventions, referring to community resources.
Common family SDOH - Answer-Socioeconomic status, food insecurity, cost of living,
lack of affordable housing, inadequate income, domestic violene
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