Order Cause Of The Emesis Discussion

Order Cause Of The Emesis Discussion
Order 5980432
Order Cause Of The Emesis Discussion
1. 11. At what age is MAC of isoflurane the highest?
A. Newborn
B. 6 months of age
C. 12 months of age
D. 2 years of age
E. 5 years of age
2. One MAC of isoflurane in a neonate equates to what percentage of end-tidal
isoflurane concentration?
A. 0.9
B. 1.1
C. 1.3
D. 1.6
E. 2.2
3. When considering the relative ED95 in μg/kg of nondepolarizing neuromuscular
blocking drugs (NMBDs), the impact of age on relative pharmacodynamics is
which of the following?
A. Neonates require less than children who require less than adults.
B. Neonates require more than children who require more than adults.
C. Neonates require more than children, but children require less than adults.
D. Neonates require less than children, but children require more than adults.
4. The estimated circulating blood volume of a 4-kg, full-term neonate is which of
the following?
A. 200 mL
B. 240 mL
C. 340 mL
D. 420 mL
E. 480 mL
5. The benefits of leukoreduction of donor blood products include all of the
following EXCEPT which one?
A. Prevention of cytomegalovirus transmission
B. Prevention of nonhemolytic febrile transfusion reactions
C. Prevention of graft-versus-host disease
D. Prevention of human leukocyte antigen alloimmunization
6. A 2500-g infant is born at approximately 35 weeks’ gestation to a woman who
had received minimal prenatal care. Shortly after birth, the infant is noted to be
tachypneic with respiratory rates in the 60s, an SpO2 of 85%, and a heart rate
of 180 beats per minute. A concave abdomen is noted, and breath sounds are
minimal in the left thorax but present on the right. A chest X-ray demonstrates
a mediastinal shift to the right and loops of bowel in the thorax. Which of the
following is the best initial management of this infant’s airway?
A. Application of continuous positive airway pressure (CPAP), with ventilation
goals titrated to an ETCO2 of 35-40 mm Hg
B. Application of CPAP, with ventilation goals titrated to an ET CO2 of 40-45 mm
Hg
C. Intubation and pressure control ventilation, with ventilation goals titrated to
ETCO2 of 40-45 mm Hg
D. Intubation and pressure support ventilation with permissive hypercapnia and
peak inspiratory pressures <25 cm H20
E. Spontaneous ventilation with high-flow oxygen therapy via nasal cannula
The following vignette applies to questions 17, 18, and 19.
A 37-week infant is born uneventfully to a 39-year-old G3P2002 mother via
normal spontaneous vaginal delivery. He is noted to have small palpebral fissures
and mild hypotonia. 24 hours after birth, the infant has repeated vomiting of bilious
emesis.
7. 17. Which of the following is the most likely cause of the emesis?
A. Pyloric stenosis
B. Duodenal atresia
C. Choanal atresia
D. Necrotizing enterocolitis
E. Intussusception
8. Which of the following is the most common radiologic finding that would be
seen in this infant during workup for bilious emesis?
A. Gastric bubble above the diaphragm
B. Multiple dilated loops of bowel
C. Pneumatosis
D. “Double-bubble” sign on X-ray
E. Target sign on abdominal ultrasonography
9. The patient undergoes successful surgical repair in the neonatal period. At
6 months of age he returns for an esophagogastroduodenoscopy. He has
appropriately fasted, and an inhalational induction is planned. While your
resident is managing the airway, you attempt to place an IV. The patient
slightly withdraws to the needle, so your resident increases the inhaled
sevoflurane concentration from 4% to 8% to aid with depth of anesthesia. The
most likely hemodynamic response to this would be which of the following?
A. Hypotension
B. Tachycardia
C. Bradycardia
D. Decreased respiratory rate
E. Increased tidal volume
Order Cause Of The Emesis Discussion
10. Compared with adults, infants desaturate more quickly during induction of
anesthesia because of which of the following?
A. Increased respiratory rate
B. Increased cardiac output in mL/kg/min
C. Decreased O2 consumption in mL/kg/min compared with adults
D. Decreased closing capacity
E. Decreased functional residual capacity (FRC) in mL/kg
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