OB-GYN Questions with Correct Answers 100% Verified 2023/2024 Oxygen crosses the placenta by
a: pinocytosis
b: facilitated diffusion
c: simple diffusion
d: active transport
e: phgocytosis - Correct Answer c: simple diffusion Glucose crosses the placenta by
a: facilitated diffusion
b: simple diffusion
c: active transport
d: phagocytosis
e: pinocytosis - Correct Answer a: facilitated diffusion Amino acids cross the placenta by
a: facilitated diffusion
b: active transport
c: pinocyctosis
d: simple diffusion
e: phagocytosis - Correct Answer b: active transport Pregnancy has what effect on gastric motility?
a: Gastric motility typically remains the same
b: The effect on gastric motility is unpredictable
c: Gastric motility typically increases
d: Gastric motility typically decreases - Correct Answer d: Gastric motility typically decreases Pregnancy has what effect on gastric reflux?
a: The effect on gastric reflux is unpredictable
b: Gastric reflux is typically unaffected
c: Gastric reflux typically decreases
d: Gastric reflux typically increases - Correct Answer d: Gastric reflux typically increases "Morning sickness" typically begins during which weeks of pregnancy?
a: 1-3 weeks
b: 16-22 weeks
c: 10-12 weeks
d: 14-18 weeks
e: 4-8 weeks - Correct Answer e: 4-8 weeks Changes in gastrointestinal motility during pregnancy are related to increased levels of
a: thyrotropin-releasing factor 1 / 4
b: human chorionic gonadotropin
c: estrogen
d: oxytocin
e: progesterone - Correct Answer e: progesterone Transit time in the stomach and small bowel increases by what percent in the second and third trimesters of pregnancy?
a: 60%-70%
b: 1%-15%
c: 45%-60%
d: 30%-45%
e: 15%-30% - Correct Answer e: 15%-30% Epulis is a pregnancy-related vascular swelling of the
a: larynx
b: pharynx
c: nares
d: gums
e: epiglottis - Correct Answer d: gums Which of the following pulmonary measurements is decreased in pregnancy?
a: Carbon dioxide pressure
b: Tidal volume
c: Oxygen pressure
d: Oxygen requirement
e: Residual volume - Correct Answer a: Carbon dioxide pressure During pregnancy, total body oxygen consumption
a: decreases by 50% from nonpregnant levels
b: increases by 20% from nonpregnant levels
c: increases by 50% from nonpregnant levels
d: decreases by 20% from nonpregnant levels
e: increases by 70% from nonpregnant levels - Correct Answer b: increases by 20% from nonpregnant levels By term in a normal pregnancy, maternal blood volume
a: increases by 15%
b: increases by 50%
c: decreases by 15%
d: decreases by 35%
e: increases by 35% - Correct Answer e: increases by 35% Iron supplementation in pregnancy is mainly used to
a: maintain fetal hemoglobin concentration
b: prevent iron deficiency in the mother
c: maintain maternal hemoglobin concentration 2 / 4
d: prevent iron deficiency in both the mother and the fetus
e: prevent iron deficiency in the fetus - Correct Answer b: prevent iron deficiency in the mother Which of the following measures of pulmonary function decreases in late pregnancy?
a: Tidal volume
b: Residual volume
c: Respiratory rate
d: Expiratory volume
e: Inspiratory capacity - Correct Answer b: Residual volume The increased nasal stuffiness and perception of increased nasal secretions during prenancy are associated with
a: increased immunoglobulin production
b: increased interluminal production of mast cell toxins
c: increased airway conductance
d: decreased airway conductance
e: mucosal hyperemia - Correct Answer e: mucosal hyperemia Maternal arterial blood gas analysis during pregnancy would show
a: mild metabolic acidosis
b: mild respiratory alkalosis
c: mild metabolic alkalosis
d: mild respiratory acidosis
e: moderate metabolic alkalosis - Correct Answer b: mild respiratory alkalosis As compared with the nonpregnant state, the risk of thromboembolism during pregnancy
a: is not effected by pregnancy
b: is increased during pregnancy and in the puerperium
c: is decreased during prengnancy and in the puerperium
d: is increased during pregnancy and decreased in the puerperium
e: is decreased during pregnancy and increased in the puerperium - Correct Answer b: is increased during pregnancy and in the puerperium Displacement of the maternal heart during pregnancy is caused by
a: constriction of the anteroposterior diameter of the thorax
b: enlargement of the liver
c: elevation of the diaphragm
d: widening of the mediastinum
e: increased lung volume - Correct Answer c: elevation of the diaphragm Which of the following best describes the change in position of the maternal heart during pregnancy?
a: Displaced downward and to the right into a more vertical position
b: Displaced upward and to the left into a more horizontal position 3 / 4
c: Displaced upward and to the right into a more horizontal position
d: Displaced downward and to the left into a more vertical position - Correct Answer b: Displaced upward and to the left into a more horizontal position When do changes in maternal cardiac output begin during pregnancy?
a: Early second trimester
b: First trimester
c: Late first trimester
d: Third trimester
e: Late second trimester - Correct Answer b: First trimester As compared with the nonpregnant state, the overall increase in maternal cardiac output during pregnancy is approximately
a: 30%-50%
b: 10%-20%
c: 5%-10%
d: 50%-60%
e: 60%-80% - Correct Answer a: 30%-50% Which of the following factors contributes to the changed maternal cardiac output during pregnancy?
a: Increased peripheral vascular resistance
b: Decreased maternal heart rate
c: Increased stroke volume
d: Decreased stroke volume
e: Increased venous return - Correct Answer c: Increased stroke volume During pregnancy, maternal ciculating blood volume increases about how much over nonpregnant levels?
a: 30%
b: 60%
c: 45%
d: 5%
e: 15% - Correct Answer c: 45% When does the increase in circulating maternal blood volume reach its peak during pregnancy?
a: 18 weeks
b: 32 weeks
c: 12 weeks
d: 38 weeks
e: 24 weeks - Correct Answer b: 32 weeks What percent of cardiac output does the uterus receive at term?
a: 10%
b: 30%
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