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In a child with myasthenia gravis, which of the B. Respiratory distress
following symptoms would be MOST
indicative of a myasthenic crisis? (Characterized by weakness and fatigue of
A. Eye drooling skeletal muscle tissue that results from
B. Respiratory distress autoimmune destruction of acetylcholine
C. Excessive salivation receptors (AchR). A crisis event, or myasthenic
D. Muscle fasciculation crisis, is an acute exacerbation of the disease
process that results in severe weakness from
dysfunction of the neuromuscular junctions. It
is characterized by respiratory failure due to
weakness of the airway or respiratory muscles.
A cholinergic crisis, is a severe weakness
caused by overtreatment with cholinergic
, medications used to treat MG & crisis present
with excessive salivation, excessive
lacrimation, diarrhea, sweating, pupillary
constriction, and muscle fasciculation.
A child with a history of congenital heart D. Propranolol (Inderal)
disease fell while playing and presents with a
closed fracture of the humerus. Physical exam (Decreases heart rate, myocardial contractility,
reveals mild bradycardia and a moderate pain blood pressure, and myocardial oxygen
score. demand. Adverse effects include bradycardia,
Which of the following medications would hypotension, and atrioventricular conduction
MOST likely explain this child's bradycardia? disturbances)
A. Enalapril (Vasotec)
B. Furosemide (Lasix)
C. Levothyroxine (Synthroid)
D. Propranolol (Inderal)
Enteral nutrition is initiated in a child with A. Phosphate 3.0 ml/dL & potassium 2.8
severe malnutrition. Laboratory values mEq/L
indicative of refeeding syndrome include a
magnesium level of 1.5 mg/dL, and: (Refeeding syndrome occurs when
A. Phosphate 3.0 ml/dL & potassium 2.8 malnourished patients are refed too
mEq/L aggressively leading. It can occur within 1-3
B. Phosphate 3.0 ml/dL & potassium 6 mEq/L days after reinstitution of nutrition.
C. Phosphate 7.0 ml/dL & potassium 2.8 The major manifestations include fluid
,mEq/L overload, hypophosphatemia (phosphate less
D. Phosphate 7.0 ml/dL & potassium 6 mEq/L than 3.5 mg/dL), hypokalemia (potassium less
than 3.5 mEq/L), hypomagnesemia
(magnesium less than 1.8 mg/dL), and thiamine
deficiency. Complications include heart failure,
dysrhythmias, respiratory muscle weakness,
seizures,
When informing a family that a report is being A. Focus on the child's well being
made to Child Protective Services for
suspected abuse, it is MOST important to
A. Focus on the child's well being
B. Identify the suspected perpetrator
C. Identify legal requirements for mandatory
reporting
D. Share details with family to avoid
misunderstanding
Manifestations of abdominal injuries C. Delayed 8-36 hours after exposure
secondary to a blast mechanism are typically:
A. Acute & immediately apparent (Blast attack, as seen in explosions, causes
B. Observed less than 6 hours after exposure extensive compression and distortion of the
C. Delayed 8-36 hours after exposure gastrointestinal (GI) tract & other air-filled
D. Chronic & slow to develop organs. Manifestations generally delayed,
presenting 8-36 hours after exposure.)
, A previously healthy preschooler who is fully D. Administer a fluid bolus & consult oncology
immunized, presents with a history of fever,
URI symptoms, & joint pain over the past (The combination of leukocytosis,
several days. Physical exam reveals petechiae thrombocytopenia, and anemia should raise red
and hepatosplenomegaly. Vital signs include flags for an oncologic process, most likely
HR 156, RR 32, temp 101.6 (38.7), BP 86/44 leukemia. After initial laboratory values are
& O2 98% on RA. Lab results include Na+ obtained, the child should receive aggressive
132, K+ 6, Glucose 100, Ca+ 0.95, Phos 6.3, hydration.)
WBC 105,000, Hgb 6.1 & Plt 10,000. Which
is the BEST course of action?
A. Obtain LFTS & type & cross for blood
products
B. Administer calcium gluconate & consult
nephrology
C. Obtain blood cultures & administer IV
Ceftriaxone
D. Administer a fluid bolus & consult
oncology
An adolescent presents with bilateral knee pain C. Patellofemoral pain syndrome
that has occurred for several months,
exacerbated with activities such as climbing (Type of idiopathic anterior knee pain, common
stairs and running. Pain is also worsened by in adolescents. This type of knee pain worsens
sitting with the knees flexed for an extended with activity, especially going up and down