OB Nursing Final Exam questions and answers
Graded A+
What is the normal fetal heart rate?
110-160 bpm
What is a reassuring sign in fetal heart rate?
Moderate variability (6-25 bpm)
What does early deceleration indicate?
Head compression
What does variable deceleration indicate?
Cord compression
What does late deceleration indicate?
Placental insufficiency
What are accelerations in fetal heart rate a sign of?
Fetal movement
What does LION stand for in priority interventions for non-reassuring FHR?
L - Left side position, I - IV fluids, O - Oxygen, N - Notify provider / stop oxytocin
What is the purpose of the ductus venosus?
Bypass liver
What is the purpose of the foramen ovale?
Bypass lungs
What is the purpose of the ductus arteriosus?
Bypass lungs
When does the foramen ovale close?
First breath
, When does the ductus arteriosus close?
24-48 hours
When does the ductus venosus close?
After cord clamping
What are the functions of the placenta?
Gas exchange, Nutrients, Hormones, Waste removal, Immunity (IgG)
What is the function of hCG?
Maintains corpus luteum
What is the function of progesterone?
Maintains uterine lining
What is the function of estrogen?
Uterine growth
What does hPL cause?
Insulin resistance
What does relaxin do?
Softens cervix & ligaments
What are presumptive signs of pregnancy?
Amenorrhea, Nausea, Fatigue, Breast tenderness, Quickening
What are probable signs of pregnancy?
Positive pregnancy test, Chadwick sign, Goodell sign, Enlarged uterus
What are positive signs of pregnancy?
Fetal heart tones, Ultrasound, Fetal movement felt by examiner
What is the bleeding and pain associated with placenta previa?
Bright red, painless bleeding
Graded A+
What is the normal fetal heart rate?
110-160 bpm
What is a reassuring sign in fetal heart rate?
Moderate variability (6-25 bpm)
What does early deceleration indicate?
Head compression
What does variable deceleration indicate?
Cord compression
What does late deceleration indicate?
Placental insufficiency
What are accelerations in fetal heart rate a sign of?
Fetal movement
What does LION stand for in priority interventions for non-reassuring FHR?
L - Left side position, I - IV fluids, O - Oxygen, N - Notify provider / stop oxytocin
What is the purpose of the ductus venosus?
Bypass liver
What is the purpose of the foramen ovale?
Bypass lungs
What is the purpose of the ductus arteriosus?
Bypass lungs
When does the foramen ovale close?
First breath
, When does the ductus arteriosus close?
24-48 hours
When does the ductus venosus close?
After cord clamping
What are the functions of the placenta?
Gas exchange, Nutrients, Hormones, Waste removal, Immunity (IgG)
What is the function of hCG?
Maintains corpus luteum
What is the function of progesterone?
Maintains uterine lining
What is the function of estrogen?
Uterine growth
What does hPL cause?
Insulin resistance
What does relaxin do?
Softens cervix & ligaments
What are presumptive signs of pregnancy?
Amenorrhea, Nausea, Fatigue, Breast tenderness, Quickening
What are probable signs of pregnancy?
Positive pregnancy test, Chadwick sign, Goodell sign, Enlarged uterus
What are positive signs of pregnancy?
Fetal heart tones, Ultrasound, Fetal movement felt by examiner
What is the bleeding and pain associated with placenta previa?
Bright red, painless bleeding
