66 questions match your search.


Which of the following drugs administered to a parturient eliminates fetal heart rate variability?

ADVANCED Pharmacology & Pharmacokinetics OB

A parturient receives ketamine 2 mg/kg and succinylcholine 1.5 mg/kg for induction prior to elective cesarean delivery. Which of the following is most likely to be present in the newborn infant?

ADVANCED Pediatric OB

At the time of cesarean delivery, thick dark meconium is noted and the newborn is flaccid, apneic, bradycardic, and cyanotic. The most appropriate initial action is

ADVANCED Pediatric OB

A woman is in labor at 40 weeks' gestation and the fetus is in breech presentation. Which of the following will provide adequate uterine relaxation for vaginal delivery?

ADVANCED OB

Which of the following is a manifestation of preeclampsia?

ADVANCED OB

Administration of magnesium sulfate for treatment of preeclampsia results in a decreased dose requirement for each of the following drugs EXCEPT

ADVANCED OB

A parturient received 1000 ml of dextrose 5% in lactated Ringer's solution 20 minutes prior to delivery. Ten minutes later her blood glucose concentration is 580 mg/dl. In this situation

ADVANCED OB

A woman has weakness of the right quadriceps and a decreased knee jerk reflex on the right one day after forceps delivery under epidural anesthesia. The most likely cause is

ADVANCED OB Regional & Pain

Which of the following is the most likely effect of administration of magnesium sulfate in a patient with preeclampsia?

ADVANCED OB

Which of the following is most likely to decrease uterine tone?

ADVANCED OB

Which of the following anesthetic techniques is most appropriate for a woman in the second stage of labor?

ADVANCED OB Regional & Pain

Each of the following factors decreases uterine blood flow EXCEPT

ADVANCED OB

Which of the following statements concerning the use of epidural opioids during labor is true?

ADVANCED OB Regional & Pain

In the majority of cases, fetal heart rate decelerations in a variable pattern are associated with

ADVANCED OB

An asymptomatic 38-year-old woman is scheduled for elective cesarean delivery. The preoperative EKG shows left axis deviation that was not present one year ago. The most appropriate next step is to

ADVANCED OB

Uterine blood flow is

ADVANCED OB

Inhibition of labor by terbutaline causes each of the following maternal side effects EXCEPT

ADVANCED Pharmacology & Pharmacokinetics OB

The fetal heart rate and uterine contraction tracings shown are most consistent with

ADVANCED OB

The most likely cause of a fetal heart rate pattern of variable decelerations to 90 bpm is

ADVANCED OB

Recognized side effects of magnesium sulfate used for the treatment of preeclampsia that would be of anesthetic concern include each of the following EXCEPT

ADVANCED OB

A complication of terbutaline therapy to terminate premature labor is

ADVANCED Pharmacology & Pharmacokinetics OB

A 26-year-old woman has headache, nausea, and photophobia 36 hours after cesarean delivery for chorioamnionitis using subarachnoid block. Temperature is 38.8°C and leukocyte count is 14,200/mm3. Which of the following is the most appropriate next step in management?

ADVANCED OB

Arterial oxyhemoglobin desaturation develops more rapidly following apnea in a pregnant patient at term than in a nonpregnant patient with a large intra-abdominal tumor. Which of the following findings in pregnancy is the most likely cause?

ADVANCED OB

A multigravid woman is receiving oxytocin by infusion for augmentation of labor. Fetal heart rate is 190 bpm with beat-to-beat variability of 6 to 8 bpm. The most appropriate immediate action would be to

ADVANCED OB

Numbness and tingling on the lateral aspect of the thigh 24 hours after uneventful vaginal delivery is most likely a complication of

ADVANCED OB

A 28-year-old woman receives a lumbar epidural anesthetic for uncomplicated labor and delivery. During removal of the catheter, 1 cm breaks off and remains in her back. After informing the patient, the most appropriate management is

ADVANCED OB Regional & Pain

A 30-year-old primiparous woman delivered a healthy infant by cesarean section during uneventful spinal anesthesia with tetracaine 10 mg in 2 ml of 5% dextrose solution. Twelve hours after delivery she has bilateral loss of pain and temperature sensibility, but not touch, below T8 and paralysis of both legs. The most likely cause of this complication is

ADVANCED OB Regional & Pain

Which of the following factors is the LEAST important determinant of postdural puncture headache?

ADVANCED OB Regional & Pain

Which of the following is most likely to result in oxygen desaturation in a patient with Eisenmenger's syndrome who is scheduled for cesarean delivery?

ADVANCED OB Cardiac

A 25-year-old woman is undergoing emergency appendectomy at 36 weeks' gestation. Following subarachnoid injection of hyperbaric bupivacaine and placement in the supine position, the patient has nausea; heart rate is 105 bpm and blood pressure is 90/60 mmHg. Which of the following is the most appropriate management?

ADVANCED OB

The supine hypotensive syndrome of pregnancy

ADVANCED OB

Which of the following statements concerning diabetes mellitus in pregnancy is true?

ADVANCED OB

Which of the following drugs is LEAST likely to cross the placenta?

ADVANCED Pharmacology & Pharmacokinetics OB

Which of the following changes in pulmonary function best explains the more rapid rate of rise of alveolar concentration of volatile anesthetics in pregnant women than in nonpregnant women?

ADVANCED Respiratory & Critical Care OB

A 19-year-old woman receives a spinal anesthetic for a repeat cesarean delivery. Two days later she is afebrile but has severe occipital pain that is aggravated by sitting or standing and relieved by lying flat. Associated findings would likely include

ADVANCED OB

In pregnant patients, which of the following is an effect of the long-term use of cocaine?

ADVANCED OB

A 25-year-old woman is admitted to the hospital in the early stages of labor at term. Initial hematocrit is 33%. Which of the following is the most likely cause of the hematocrit value?

ADVANCED OB

Maternal hyperventilation to a PaCO2 of 20 mmHg during labor can result in

ADVANCED OB

A woman is undergoing a repeat cesarean delivery at term following a normal pregnancy. Anesthesia consists of thiopental 250 mg, succinylcholine infusion (180 mg in 20 minutes), nitrous oxide and oxygen (7:3 L/min) until delivery. Twenty minutes after the incision a floppy newborn with a 1-minute Apgar score of 5 is delivered. The most likely explanation for the infant's condition is

ADVANCED OB

The low fetal/maternal plasma ratio of bupivacaine compared with lidocaine is due to

ADVANCED OB Pharmacology & Pharmacokinetics

Following maternal epidural injection, fetal exposure to chloroprocaine is lower than fetal exposure to bupivacaine for which of the following reasons?

ADVANCED Pediatric OB

Which of the following would be most likely to result in neonatal depression when administered to a healthy parturient during an uncomplicated labor and vaginal delivery?

ADVANCED Pediatric OB

During the first stage of labor, the pain of uterine contractions and cervical dilatation is transmitted via the spinal cord segments

ADVANCED OB

During active labor, 10 ml of bupivacaine 0.5% with epinephrine 1:200,000 is administered epidurally. Fifteen minutes later, maternal blood pressure is 70/50 mmHg and heart rate is 70 bpm; fetal heart rate is 90 bpm for 45 seconds, with loss of beat-to-beat variability. The most likely explanation for the fetal vital signs is

ADVANCED OB

During therapy for eclampsia, toxic blood levels of magnesium sulfate can be distinguished from therapeutic levels by the presence of

ADVANCED Pharmacology & Pharmacokinetics OB

Prilocaine is NOT recommended for obstetric regional anesthesia because it

ADVANCED Pharmacology & Pharmacokinetics OB

Which of the following statements regarding fetal heart rate patterns is true?

ADVANCED Pediatric OB

Which of the following statements concerning the management of diabetes mellitus during pregnancy is true?

ADVANCED OB

Which of the following is an effect of ritodrine?

ADVANCED OB

At term which of the following would produce the greatest increase in uterine blood flow?

ADVANCED OB

Administration of succinylcholine 1 mg/kg to a pregnant woman rarely causes fetal neuromuscular blockade. Which characteristic of succinylcholine best explains this phenomenon?

ADVANCED Pharmacology & Pharmacokinetics OB

Fetal distress is noted after administration of an epidural local anesthetic during labor. Fetal scalp pH is 7.0. Compared with a fetus with a scalp pH of 7.3, in this fetus the local anesthetic is present in

ADVANCED OB

A 30-year-old woman underwent emergency cesarean delivery under general anesthesia at 36 weeks' gestation because of preeclampsia. Two hours after the operation, she is still intubated and apneic and cannot be aroused. Deep tendon reflexes are 1+. With mechanical ventilation at an FiO2 of 0.4, PaO2 is 130 mmHg, PaCO2 is 32 mmHg, pH is 7.45, and base excess is -0.6. The most likely cause is

ADVANCED OB

To eliminate involuntary expulsive effort with contraction in the second stage of labor, a nerve block must include at least

ADVANCED OB Regional & Pain

When PaO2 is increased to 300 mmHg in a healthy parturient at term, the umbilical vein PCs will

ADVANCED OB

Following delivery with pudendal block, a patient requires anesthesia for removal of a retained placenta. The most appropriate anesthetic is

ADVANCED OB

A woman at 39 weeks' gestation has been in labor for 12 hours. She has had nausea and vomiting for the past eight hours. Maternal arterial blood gas values are PaO1 85 mmHg, PaCO2 31 mmHg, and pH 7.50. Which of the following is the most likely cause of fetal distress occurring at this time?

ADVANCED OB

In patients with pregnancy-induced hypertension, magnesium sulfate is most likely to

ADVANCED OB

A multiparous 24-year-old woman sustains an amniotic fluid embolism during general anesthesia. The LEAST likely clinical finding is

ADVANCED OB

Normal pregnancy is associated with a decrease in each of the following EXCEPT

ADVANCED OB

A 33-year-old primigravid woman with myasthenia gravis, well-controlled with pyridostigmine, is in labor with the cervix dilated 7 cm. She has a headache and feels very nervous. Blood pressure is 160/115 mmHg, she has 3+ pitting edema, and urinalysis shows 4+ protein. Appropriate management of her labor should include

ADVANCED OB

Each of the following is an adverse effect of ritodrine used for suppression of labor EXCEPT

ADVANCED Pharmacology & Pharmacokinetics OB

The test dose of local anesthetic administered through an epidural needle or catheter should be sufficient to produce

BASIC OB Regional & Pain

Gravid uterine blood flow is

ADVANCED OB

The concentration of bupivacaine is higher in maternal blood than in fetal blood because

ADVANCED Pharmacology & Pharmacokinetics OB

Postdural puncture headache occurs most commonly in which of the following patients?

ADVANCED OB