Science Medicine Obstetrics
RNC-OB Exam
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RNC-OB PRACTICE QUESTIONS RNC-OB OB inpatient certification practice q... RNC-O
110 terms 217 terms 352 terms 163 term
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1. Late in pregnancy, a patient often develops supine A
hypotension because of because of partial occlusion of the vena cava and aorta from the weight of the
a. partial occlusion of the vena cava and aorta. uterus. This impedes venous return from the lower extremities although increased
b. decreased peripheral collateral circulation. collateral circulation during pregnancy helps to compensate. Remaining in the
c. increased blood flow to the placenta. supine position for long periods of time could decrease fetal oxygenation as well.
The lateral recumbent position relieves the pressure on the vena cava and aorta,
allowing the blood pressure to increase and symptoms to decrease.
The nurse must educate the new mother that a C
contraindication to breast feeding is Some maternal contraindications to breastfeeding include:
a. fetal macrosomia. -Infection with HIV/AIDS
b. type II diabetes. -Use of antiretroviral medications
c. infection with HIV/AIDS. -Active TB not treated
-Infection with human T-cell lymphotropic virus
-Illicit drug use
-Use of chemotherapeutic agents
-Radiation therapy (may require only interruption during treatment)
-Use of other medications that pass into the breast milk and may harm the child
-Presence of herpes on the breast
-Presence of varicella lesions on the breast (may resume after lesions crust)
The initial postpartal intervention indicated for a soft B
boggy uterus is to ...with the dominant hand while supporting the inferior uterus with the non-
a. apply an ice compress. dominant hand to prevent trauma. If the fundus does not contract with massage,
b. massage the fundus until firm. then further evaluation is indicated to determine if placental fragments remain.
c. apply a warm compress. After the fundus becomes contracted, the nurse should push firmly downward on
the fundus to expel clots that may have pooled.
,With the vibroacoustic stimulation test, stimulus with an A
artificial larynx or other device is applied to the maternal Usually, stimulus is applied for 1-2 seconds and repeated up to 3 times with time
abdomen for extending to 3 seconds in order to stimulate fetal movement. A positive or
a. 1 to 3 seconds. reactive finding is an increased fetal heart rate of 15 bpm or more for at least 15
b. 5 to 10 seconds. seconds; however, a nonreactive result does not always indicate fetal abnormality
c. 1 to 2 minutes. but indicates the need for further testing.
Absence of the Moro reflex on one side only in a C
neonate may indicate a fractured clavicle or brachial plexus injury. Damage to the central nervous
a. fractured scapula. system, such as may occur with cerebral palsy, often results in bilateral absence of
b. cerebral palsy. the reflex. The Moro reflex is elicited by allowing the infant's head and trunk to fall
c. fractured clavicle. slightly backward when the infant is raised. A positive Moro reflex includes
immediate extension and abduction of the arms(and sometimes the legs) with
fingers fanning and forming a C-shape with a return of the limbs to the flexed
states
In a multiparous woman, what is the lowest Bishop score A
that predicts labor induction will be successful? In a multiparous woman, the Bishop score that predicts that labor induction will be
a. 5 successful is 5 or more while it is a 9 or more for a nulliparous woman. The Bishop
b. 7 score is a rating system to determine readiness for induction based on scores of
c. 9 0-3 in four different measures: dilation (cm), effacement (percentage), station (cm),
and cervical consistency (firm, medium, soft), and cervical position (posterior, mid
position, anterior). The fifth measure, cervical position, is scored only 0-2.
When cervical laceration occur during delivery, they are A
most common at what position? Cervical lacerations are most often identified with vaginal retractors when
a. 3 and 9 o'clock bleeding is persistent after delivery. The lacerations are sutured with absorbable
b. 12 and 6 o'clock sutures, so no further treatment is usually indicated. Minor lacerations often occur
c. 10 and 4 o'clock during delivery, but they usually require no treatment. Tears are more common
after forceps assisted and vacuum assisted deliveries than normal vaginal births
If using fetal pulse oximetry, what is normal oxygen A
saturation? because of the fetus's high hemoglobin and hematocrit. A value below 30% may
a. 30% to 65% be associated with hypoxia and metabolic acidosis. For fetal pulse oximetry,
b. 65% to 90% which may be used to determine whether immediate intervention is needed for
c. 90% to 100% non-reassuring fetal heart rate, a special single-use sensor is placed internally
along the fetal cheek, temple, or forehead. However, fetal pulse oximetry has not
been found to reduce overall rates of Caesarean.
A decrease of fetal heart rate of at least 15 bpm for at C
least 10 minutes is classified as If it persists more than 2 minutes but less than 10 minutes, it is classified as a
a. recurrent deceleration. prolonged deceleration. Recurrent decelerations are classified as occurring with
b. prolonged deceleration. half or more of uterine contractions in a 20 minute period. Intermittent
c. baseline change. decelerations occur with fewer than half of uterine contractions in a 20 minute
period.
, With suspected fetal hypoxia, a cord blood gas specimen C
is obtained during delivery by The segment can be placed on ice temporarily as cord blood gas can be
a. withdrawing blood from the vein/artery before the accurately assessed for 60 minutes. An arterial sample is preferred over venous,
cord is clamped or cut and before placental expulsion. but paired sampling is recommended. A pH of 7.24 or less is associated with
b. placing one clamp and withdrawing blood above the neurological compromise. A base excess of 12 mmol/L or more is predictive of
clamp before cutting the cord. motor or cognitive impairment.
c. double clamping a 10 to 20 cm segment, cutting it out,
and then withdrawing blood from the segment.
When eliciting the scarf sign in a neonate, the infant's A
elbow crosses the midline of the chest, probably At fullterm, the elbow should not cross the midline. For the scarf test, the neonate
indicating a should be placed supine. One arm is grasped and the hand pulled toward the
a. preterm infant. opposite shoulder and then the position of the elbow is assessed in relation to the
b. term infant. midline of the chest.
c. postterm infant.
Following birth, which hormone stimulates the alveolar B
cells of the breast, promoting production of milk? which increases in response to the neonate's suckling. Suckling also promotes
a. Estrogen release of oxytocin, which promotes the letdown reflex by increasing
b. Prolactin contractibility of the muscles of the mammary ducts. After milk production is well
c. Progesterone established, prolactin levels decrease, and most milk production is then facilitated
by oxytocin. During pregnancy, estrogen promotes proliferation of breast ducts
and progesterone the development of lobules and alveoli
Which anesthetic technique provides the best relief of A
pain during labor and delivery? The epidural can provide continuous relief during both labor and delivery and
a. Epidural does not pose the risk of spinal headache and provides less motor blockade.
b. Spinal Additionally, there is a deceased risk of hypotension because of reduced risk of
c. Pudendal block sympathetic blockade. Spinal is now usually reserved for Cesareans. The
pudendal block provides relief primarily during delivery.
A patient with lupus erythematosus places the fetus at risk B
if she takes which medication during pregnancy? ...methotrexate or cyclophosphamide. Both of these medications should be
a. Prednisone discontinued at least 30 days prior to the patient becoming pregnant. Plaquenil
b. Methotrexate and prednisone may be continued during pregnancy. A patient with lupus should
c. Plaquenil® (hydroxychloroquine) be stabilized for at least 6 months before attempting to become pregnant
because pregnancy may exacerbate symptoms, and the patient may have
antibodies that increase risk of miscarriage or stillbirth in late pregnancy.
A series of ultrasound scans after the 20th week show C
that the fetal head is growing normally but the abdominal ...common in patients who are diabetic, hypertensive, or anemic. With placental
circumference is lower than expected. This may indicated insufficiency, the supply of oxygen and nutrients to the fetus is impaired, so the
which of the following? fetus responds by sending the nutrients to the most critical organs (heart, brain,
a. Down syndrome lungs) and the other abdominal organs receive less, so they develop more slowly
b. Neural tube defect
c. Placental insufficiency
RNC-OB Exam
Save
Students also studied
RNC-OB PRACTICE QUESTIONS RNC-OB OB inpatient certification practice q... RNC-O
110 terms 217 terms 352 terms 163 term
SFreddie Preview SFreddie Preview piratemommy Preview SFr
1. Late in pregnancy, a patient often develops supine A
hypotension because of because of partial occlusion of the vena cava and aorta from the weight of the
a. partial occlusion of the vena cava and aorta. uterus. This impedes venous return from the lower extremities although increased
b. decreased peripheral collateral circulation. collateral circulation during pregnancy helps to compensate. Remaining in the
c. increased blood flow to the placenta. supine position for long periods of time could decrease fetal oxygenation as well.
The lateral recumbent position relieves the pressure on the vena cava and aorta,
allowing the blood pressure to increase and symptoms to decrease.
The nurse must educate the new mother that a C
contraindication to breast feeding is Some maternal contraindications to breastfeeding include:
a. fetal macrosomia. -Infection with HIV/AIDS
b. type II diabetes. -Use of antiretroviral medications
c. infection with HIV/AIDS. -Active TB not treated
-Infection with human T-cell lymphotropic virus
-Illicit drug use
-Use of chemotherapeutic agents
-Radiation therapy (may require only interruption during treatment)
-Use of other medications that pass into the breast milk and may harm the child
-Presence of herpes on the breast
-Presence of varicella lesions on the breast (may resume after lesions crust)
The initial postpartal intervention indicated for a soft B
boggy uterus is to ...with the dominant hand while supporting the inferior uterus with the non-
a. apply an ice compress. dominant hand to prevent trauma. If the fundus does not contract with massage,
b. massage the fundus until firm. then further evaluation is indicated to determine if placental fragments remain.
c. apply a warm compress. After the fundus becomes contracted, the nurse should push firmly downward on
the fundus to expel clots that may have pooled.
,With the vibroacoustic stimulation test, stimulus with an A
artificial larynx or other device is applied to the maternal Usually, stimulus is applied for 1-2 seconds and repeated up to 3 times with time
abdomen for extending to 3 seconds in order to stimulate fetal movement. A positive or
a. 1 to 3 seconds. reactive finding is an increased fetal heart rate of 15 bpm or more for at least 15
b. 5 to 10 seconds. seconds; however, a nonreactive result does not always indicate fetal abnormality
c. 1 to 2 minutes. but indicates the need for further testing.
Absence of the Moro reflex on one side only in a C
neonate may indicate a fractured clavicle or brachial plexus injury. Damage to the central nervous
a. fractured scapula. system, such as may occur with cerebral palsy, often results in bilateral absence of
b. cerebral palsy. the reflex. The Moro reflex is elicited by allowing the infant's head and trunk to fall
c. fractured clavicle. slightly backward when the infant is raised. A positive Moro reflex includes
immediate extension and abduction of the arms(and sometimes the legs) with
fingers fanning and forming a C-shape with a return of the limbs to the flexed
states
In a multiparous woman, what is the lowest Bishop score A
that predicts labor induction will be successful? In a multiparous woman, the Bishop score that predicts that labor induction will be
a. 5 successful is 5 or more while it is a 9 or more for a nulliparous woman. The Bishop
b. 7 score is a rating system to determine readiness for induction based on scores of
c. 9 0-3 in four different measures: dilation (cm), effacement (percentage), station (cm),
and cervical consistency (firm, medium, soft), and cervical position (posterior, mid
position, anterior). The fifth measure, cervical position, is scored only 0-2.
When cervical laceration occur during delivery, they are A
most common at what position? Cervical lacerations are most often identified with vaginal retractors when
a. 3 and 9 o'clock bleeding is persistent after delivery. The lacerations are sutured with absorbable
b. 12 and 6 o'clock sutures, so no further treatment is usually indicated. Minor lacerations often occur
c. 10 and 4 o'clock during delivery, but they usually require no treatment. Tears are more common
after forceps assisted and vacuum assisted deliveries than normal vaginal births
If using fetal pulse oximetry, what is normal oxygen A
saturation? because of the fetus's high hemoglobin and hematocrit. A value below 30% may
a. 30% to 65% be associated with hypoxia and metabolic acidosis. For fetal pulse oximetry,
b. 65% to 90% which may be used to determine whether immediate intervention is needed for
c. 90% to 100% non-reassuring fetal heart rate, a special single-use sensor is placed internally
along the fetal cheek, temple, or forehead. However, fetal pulse oximetry has not
been found to reduce overall rates of Caesarean.
A decrease of fetal heart rate of at least 15 bpm for at C
least 10 minutes is classified as If it persists more than 2 minutes but less than 10 minutes, it is classified as a
a. recurrent deceleration. prolonged deceleration. Recurrent decelerations are classified as occurring with
b. prolonged deceleration. half or more of uterine contractions in a 20 minute period. Intermittent
c. baseline change. decelerations occur with fewer than half of uterine contractions in a 20 minute
period.
, With suspected fetal hypoxia, a cord blood gas specimen C
is obtained during delivery by The segment can be placed on ice temporarily as cord blood gas can be
a. withdrawing blood from the vein/artery before the accurately assessed for 60 minutes. An arterial sample is preferred over venous,
cord is clamped or cut and before placental expulsion. but paired sampling is recommended. A pH of 7.24 or less is associated with
b. placing one clamp and withdrawing blood above the neurological compromise. A base excess of 12 mmol/L or more is predictive of
clamp before cutting the cord. motor or cognitive impairment.
c. double clamping a 10 to 20 cm segment, cutting it out,
and then withdrawing blood from the segment.
When eliciting the scarf sign in a neonate, the infant's A
elbow crosses the midline of the chest, probably At fullterm, the elbow should not cross the midline. For the scarf test, the neonate
indicating a should be placed supine. One arm is grasped and the hand pulled toward the
a. preterm infant. opposite shoulder and then the position of the elbow is assessed in relation to the
b. term infant. midline of the chest.
c. postterm infant.
Following birth, which hormone stimulates the alveolar B
cells of the breast, promoting production of milk? which increases in response to the neonate's suckling. Suckling also promotes
a. Estrogen release of oxytocin, which promotes the letdown reflex by increasing
b. Prolactin contractibility of the muscles of the mammary ducts. After milk production is well
c. Progesterone established, prolactin levels decrease, and most milk production is then facilitated
by oxytocin. During pregnancy, estrogen promotes proliferation of breast ducts
and progesterone the development of lobules and alveoli
Which anesthetic technique provides the best relief of A
pain during labor and delivery? The epidural can provide continuous relief during both labor and delivery and
a. Epidural does not pose the risk of spinal headache and provides less motor blockade.
b. Spinal Additionally, there is a deceased risk of hypotension because of reduced risk of
c. Pudendal block sympathetic blockade. Spinal is now usually reserved for Cesareans. The
pudendal block provides relief primarily during delivery.
A patient with lupus erythematosus places the fetus at risk B
if she takes which medication during pregnancy? ...methotrexate or cyclophosphamide. Both of these medications should be
a. Prednisone discontinued at least 30 days prior to the patient becoming pregnant. Plaquenil
b. Methotrexate and prednisone may be continued during pregnancy. A patient with lupus should
c. Plaquenil® (hydroxychloroquine) be stabilized for at least 6 months before attempting to become pregnant
because pregnancy may exacerbate symptoms, and the patient may have
antibodies that increase risk of miscarriage or stillbirth in late pregnancy.
A series of ultrasound scans after the 20th week show C
that the fetal head is growing normally but the abdominal ...common in patients who are diabetic, hypertensive, or anemic. With placental
circumference is lower than expected. This may indicated insufficiency, the supply of oxygen and nutrients to the fetus is impaired, so the
which of the following? fetus responds by sending the nutrients to the most critical organs (heart, brain,
a. Down syndrome lungs) and the other abdominal organs receive less, so they develop more slowly
b. Neural tube defect
c. Placental insufficiency
