C quetiapine d venlafaxine 8 a 28 year old woman

C. Quetiapine.
D. Venlafaxine.
8. A 28-year-old woman (height 61 inches, weight
74.8 kg [165 lb], up from 68 kg [150 lb] 2 months
ago) presents with a history of type I bipolar disor-
der. She has taken lithium 450 mg twice daily for
the past 6 months. Her last serum concentration (3
months ago) was 0.7 mEq/L. She presents today for
an annual examination. Her laboratory test results
include sodium (Na) 138 mEq/L, potassium (K) 4.7
mEq/L, serum creatinine (SCr) 0.9 mg/dL, glucose

G  P 
daily, and a multivitamin. Which laboratory find -
ing is most closely associated with her current
medication regimen?
ACCP Updates in Therapeutics® 2021: Pharmacotherapy Preparatory Review and Recertification Course
2-6
9. A 43-year-old woman presents with right upper
quadrant abdominal pain with rebound tenderness,
nausea, and vomiting. Her medical history is sig-
nificant for rapid-cycling bipolar disorder, hyper -
tension, obesity, and asthma. She takes divalproex
sodium 500 mg twice daily, lamotrigine 150 mg
twice daily, aripiprazole 30 mg daily, ramipril 10
mg daily, albuterol hydroÀuoroalkane (HFA) 2 puffs
every ± hours, and Àuticasone/salmeterol dry pow -
der inhaler 250/50 twice daily. She started a pred-
nisone taper 3 days ago for an asthma exacerbation.
Laboratory test results include sodium 141 mEq/L,
potassium 3.3 mEq/L, chloride 95 mEq/L, carbon
dioxide 26 mmol/L, SCr 1.0 mg/dL, glucose 72 mg/
dL, total cholesterol 165 mg/dL, triglycerides 188
mg/dL, aspartate aminotransferase (AST) 27 U/L,
alanine aminotransferase (ALT) 21 U/L, amylase
456 U/L, lipase 387 U/L, and valproic acid trough
concentration 56 mg/dL. Which medication is most
likely responsible for her current clinical picture?