AWHONN Neonatal Modules-Exam with complete solutions

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A deformation is a(n) - ANSWER abnormality caused by unusual mechanical forces on normal tissue. A low birth weight infant's temperature increases during skin-to-skin care. This is an example of he... at transfer by - ANSWER conduction. At the onset of labor the release of catecholamines stimulates - ANSWER increased absorption of lung fluid. An edematous, bruised lesion on the right anterior scalp where the vacuum was applied. This lesion has clearly demarcated edges, is firm to touch, and does not cross the suture line. This is best described as a - ANSWER cephalohematoma. An infant born at 40 5/7 weeks gestation and weighed 5 lbs 2oz (2,360 grams). In completing a gestational age assessment on this infant, you would identify her as - ANSWER term, small for gestational age. During fetal life, the ductus arteriosus - ANSWER diverts blood flow from the pulmonary artery to the descending aorta. Expected findings in a neonate born to a mother who received magnesium sulfate in labor include - ANSWER hypotonia. Eye prophylaxis with a single-use dose of sterile ophthalmic ointment containing 1% tetracycline or 0.5% erythromycin is usually administered within the first few hours of birth to prevent an eye infection caused by - ANSWER gonorrhea. Following a birth complicated by shoulder dystocia, the neonate should be assessed for - ANSWER Erb's palsy. Preeclampsia may result in all of the following fetal conditions - ANSWER growth restriction, hypoxia/neurological injury, prematurity. Hyperthermia is defined as an axillary temperature greater than 99.5ºF (37.5ºC). The MOST common cause of hyperthermia in the newborn is - ANSWER environmental. In the immediate newborn transition period, the ability to maintain functional residual lung capacity is most dependent upon - ANSWER an adequate amount of alveolar surfactant. Neonates at risk of hypoglycemia should have their glucose levels evaluated within 2 hours of life because - ANSWER blood glucose levels reach their lowest point within one to two hours after delivery. Polycythemia in the immediate newborn period is often associated with - ANSWER infant of a diabetic mother. Symptoms of mild perinatal asphyxia include - ANSWER hyperalert state and jitteriness. The condition in which the newborn's immature hypothalamus does not regulate peripheral blood vessels, resulting in a vasoconstriction on one side of the body with a vasodilation on the opposite side of the body is called - ANSWER harlequin phenomena. The following conditions may all lead to metabolic acidosis - ANSWER loss of HCO3/excess acid load d/t prematurity, renal tubular necrosis, severe diarrhea, hypoxia, hypoperfusion, inborn errors of metabolism, caloric deprivation, intolerance of cow's milk protein. The full newborn cardiovascular assessment includes auscultation, inspection, and palpation. The point of maximum impulse is usually palpable and can be auscultated in the - ANSWER third to fourth intercostal space and left of the midclavicular line. The neonate born to a mother with uncontrolled diabetes mellitus should be evaluated for - ANSWER congenital malformations. You are the nurse caring for a 38 weeks gestation, female infant, who was born one hour ago in the parking lot of the emergency room. On admission to the nursery, the neonate's rectal temperature was 95ºF (35ºC). You recognize that cold stress may predispose the infant to - ANSWER increased oxygen consumption and hypoxia. A full term neonate who presents at six hours of age with increasingly labile oxygenation that appears disproportionate to the pulmonary disease should be evaluated for - ANSWER pulmonary hypertension of the newborn. The development of pneumonia in chronically ventilated infants is most commonly associated with which of the following organisms? - ANSWER Ureaplasma urealyticum Antenatal steroids enhance lung maturation by - ANSWER increasing the number of type II pneumocytes in the lung. Mean airway pressure is defined as the - ANSWER pressure transmitted to the lung throughout the respiratory cycle. Many infants with the diagnosis of persistent pulmonary hypertension (PPHN) will have pharmacologic support. Identify the medication that is a direct-acting vasodilator and acts by relaxing pulmonary vessel musculature. - ANSWER Nitric oxide The following arterial blood gas results: pH 7.28, PaO2 74, PaCO2 55, HCO3- 21 and base deficit -4 indicate - ANSWER respiratory acidosis. Nastassia is a one-hour-old neonate, born at 39 weeks gestation by primary cesarean birth for fetal bradycardia. She was hypotonic at birth with gasping respirations and a heart rate of 80. She was provided bulb suctioning and bag mask ventilation and recovered by five minutes of life. On admission to the NICU, her temperature was 36° C. After admission to the NICU, her arterial blood gas is pH: 7.19, PCO2: 63, HCO3: 14. The correct interpretation of this blood gas is - ANSWER mixed respiratory and metabolic acidosis. Which statement is most accurate when identifying the pathophysiology of transient tachypnea of the newborn (TTN)? - ANSWER Labor enhances the process of fetal lung fluid absorption During which phase of fetal pulmonary development do the type II pneumocytes become numerous and begin to produce and store surfactant? - ANSWER Canalicular phase An absence of air flow despite respiratory effort is an example of which apnea classification? - ANSWER Obstructive apnea Continuous positive airway pressure (CPAP) improves oxygenation by - ANSWER improving the ventilation-perfusion ratio. The functional residual capacity in a newborn infant should be approximately - ANSWER 30 ml/kg. A 29 week gestation infant who displays symptoms of a pulmonary hemorrhage should be evaluated for - ANSWER patent ductus arteriosus. The most significant role of surfactant in neonatal lung development is to - ANSWER maintain alveolar stability by decreasing surface tension. Most respiratory disorders result in a ventilation-perfusion mismatch. Ideally, the ventilation-perfusion ratio should be - ANSWER 1 to 1 A neonate at 12 hours of life with meconium aspiration syndrome who has been intubated since birth suddenly develops severe respiratory distress, tachycardia, and hypotension. Which diagnosis would be least likely to be in the differential? - ANSWER Intraventricular hemorrhage Which of the following conditions is not an air leak? - ANSWER Pneumatosis intestinalis The decision to intubate an infant born through thick meconium should be based on the infant's - ANSWER response to stimulation and bag and mask ventilation. The type of patient-triggered ventilator that applies a constant pressure during inspiration and terminates with a decrease in air flow, thereby decreasing the work of breathing, is a(n) - ANSWER pressure support ventilation. Neonates receiving surfactant are at increased risk of developing - ANSWER pulmonary hemorrhage. A discrepancy greater than 10 mm Hg between the blood pressure in the upper and lower extremities is indicative of which defect? - ANSWER Coarctation of the aorta In order to pass a pulse oximetry screening for critical congenital heart disease (CCHD), which oxygenation and percentage of variance is required in the right hand and foot? - ANSWER Less than 95% O2 saturation and greater than 3% variance A neonate at 10 hours of age is found to be cyanotic and without respiratory distress symptoms. The EKG and chest x-ray are normal. The administration of oxygen is not relieving the cyanosis. The healthcare provider should have a high index of suspicion for which of the following defects? - ANSWER Transposition of the great vessels A right-to-left shunt will be seen with - ANSWER pulmonary stenosis. Appropriate nutritional management of the neonate with congestive heart failure is best achieved by which of the following? - ANSWER Individualizing to minimize energy consumption At approximately _____ weeks of gestation the heart has developed a fully functioning electrical conduction system. - ANSWER 10 It is important to evaluate the neonate with critical pulmonary stenosis for - ANSWER symptoms of right-sided congestive heart failure. One of the medications given to cause constriction and closure of the ductus arteriosus in the neonate is - ANSWER indomethacin. Parallel circulations in which there are separate pulmonary and systemic circulatory systems occur in - ANSWER transposition of the great vessels. Pulmonary venous congestion is most commonly identified with which of the following defects? - ANSWER Hypoplastic left heart Pulse oximetry screening for critical congenital heart disease (CCHD) is most accurate when performed when the infant is how many hours of age? - ANSWER 24 hours or more The best option for volume replacement in an infant with disseminated intravascular coagulopathy is - ANSWER FFP (fresh, frozen plasma). The major structural anomaly associated with total anomalous pulmonary venous return (TAPVR) includes pulmonary - ANSWER veins failing to be incorporated in the left atrium. The valve located between the left atrium and left ventricle is called the - ANSWER mitral. Which is the most prevalent theory of the etiology of congenital heart disease? - ANSWER Multifactorial etiology How does the neonate respond to increase cardiac output? - ANSWER Tachycardia is the main neonatal cardiac response to increase cardiac output. Which of the following defects increases blood flow to the lungs? - ANSWER Patent ductus arteriosus Which of the following is the most controversial management strategy for treatment of congestive heart failure in the preterm neonate? - ANSWER Digoxin therapy What are the symptoms of congestive heart failure? - ANSWER Tachypnea, tachycardia, central or prolonged peripheral cyanosis, BP higher in R arm than either leg, arrhythmias, poor feeding, cardiomegaly on CXR, hepatomegaly, pulmonary fine or coarse rales. Which of the following organs forms first in the embryo? - ANSWER Heart Which statement lists the four defects that make up the tetralogy of Fallot? - ANSWER Pulmonary stenosis, ventricular septal defect, right ventricular hypertrophy, ascending aorta overriding the ventricular septal defect Which term describes the combination of the pressure on the ventricular walls caused by the volume of blood inside those walls and follows the principles of the Frank-Starling law? - ANSWER Preload Which types of shock are commonly seen in the infant who is septic? - ANSWER Distributive and hypovolemic With a complete endocardial cushion defect, blood will flow - ANSWER freely among all four chambers of the heart. An infant whose birth weight is at what percentile on the growth chart is at increased risk for hypoglycemia due hyperinsulinism? - ANSWER 97th At how many weeks gestation is suck-swallow-breathe coordination present? - ANSWER 34-36 Compared to full term formulas, preterm formulas contain - ANSWER more calories and increased protein. Complications of percutaneous central venous lines - ANSWER catheter migration. Depending on the amount of weight loss, electrolyte values, and markers of renal function, fluid is usually administered at which rate in the first 48 hours of life? - ANSWER 60-100 ml/kg/day Disadvantages associated with continuous gavage feedings include all of the following EXCEPT? - ANSWER Decreases in the amount of gastric acid in the stomach Gluconeogenesis is the process of converting - ANSWER non-glucose precursors to glucose. In which of the following conditions is the neonate MOST at risk for hypokalemia? - ANSWER Increased gastrointestinal losses Insensible water losses occur primarily through - ANSWER respiratory and cutaneous routes. Jeremiah was born via emergent cesarean birth at 38 weeks gestation after a complete abruption. He required a full resuscitation, and his Apgar scores were 1 at 5 minutes, 3 at 7 minutes, and 5 at 10 minutes. He is currently on ventilatory support with a diagnosis of hypoxic ischemic encephalopathy. Jeremiah is MOST at risk for hypoglycemia because - ANSWER damage to the liver may impair synthesis of enzymes that facilitate glucose homeostasis. One of the advantages human milk has over formula is that it - ANSWER contains very long-chain fatty acids. Patient care management for the neonate with hypernatremia often includes - ANSWER monitoring for hyperglycemia and hypocalcemia. Preterm neonates have fewer glomeruli and tubular immaturity, which contribute to which of the following physiologic processes? - ANSWER Retention of sodium and bicarbonate, free water excretion, and decreased renal concentrating capacity Signs of renal compromise or severe fluid deficit will often include a urine output of less than - ANSWER 0.5 ml/kg/hour. Symptoms of hyperkalemia include - ANSWER electrocardiographic changes and dysrhythmias. The purpose of trophic feeds is to - ANSWER stimulate functional development of the GI tract. What is the best treatment option for severe intractable hyperkalemia? - ANSWER Peritoneal dialysis What is the timeframe for early hyponatremia in the neonate? - ANSWER 1-2 days When caring for a newborn on an insulin infusion, the glucose levels should be monitored how often during the initial titration of the drip? - ANSWER Every 15 minutes Which of the following does NOT cross the placenta from the mother to the fetus? - ANSWER Insulin Which of the following parties is MOST essential to the feeding experience of the NICU infant? - ANSWER Parent/family member Which substrate is the major source of fuel to the brain? - ANSWER Glucose Who should dictate the feeding experience in the NICU? - ANSWER NICU infant [Show More]

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