MCQ 31

A 38-year-old pregnant woman with a past medical history significant for
chronic hypertension presents with a blood pressure of 158/105 mm Hg. Which of the following antihypertensive agents would be most suitable for initial therapy in this patient?   
   A. Bumetanide
   B. Fosinopril
   C. Hydrochlorothiazide
   D. Methyldopa
   E. Valsartan

MCQ 30

Organism which causes pancreatitis

a. Mumps
b. Measles
c. Candida
d. Treponema

Answer

MCQ 29

A 35 year old  HIV infected homosexual man presents with fever, pain of the right upper quadrant, and a CT scan of the liver that shows a 10 cm, oval, hypoechoic cyst in the right lobe. An ELISA assay detects the presence of antibodies to Entamoeba histolytica; cysts from the same organism are found in a stool specimen. Which of the following is the most appropriate next step in the management?

a. Administration of metronidazole
b. Administration of chloroquine
c. Drainage of the hepatic lesion for therapeutic purposes
d. Aspiration of the hepatic lesion for diagnosis
e. Hepatic resection

Answer and explanation

MCQ 28

A 45 year old man says that for the past year he occasionally has regurgitated food particles eaten several days earlier. His wife complains that his breath has been foul smelling. He has had occasional dysphagia for solid foods. The most likely diagnosis is

a. Gastric outlet obstruction
b. Scleroderma
c. Achalasia
d. Zenker's diverticulum
e. Diabetic gastroparesis

Answer and explanation

MCQ 27

Somatostatin is secreted by

a. D-cell
b. A-cell
c. B-cell
d. D1-cell

Answer

MCQ 26

Picture frame vertebrae is seen in
a. ankylosing spondylitis
b. pagets disease
c. multiple myeloma
d. histioctosis

Answer

MCQ 25

A 30 year old G1 with twin gestation at 28 wks is being evaluated for vaginal bleeding and uterine contractions. A bedside ultrasound examination rules out the presence of a placenta previa. Fetal heart rate tracing is reactive on both twins, and the uterine contractions are every 2 to 3 minutes and last for 60 sec. A sterile speculum examination is negative for rupture membranes. A digital examination indicates that the cervix is 2 to 3 cm dilated and 50% effaced, and the presenting part is at -3 station. Tocolysis with magnesium sulfate is initiated and intravenous antibiotics are started for group B streptococcus prophylaxis. Betamethasone, a corticosteroid is also administered. Which of the following statements regarding the use of betamethasone in the treatment of preterm labor is most accurate?

a. Betamethasone enhances the tocolytic effect of magnesium sulfate and decreases the risk of preterm delivery.

b. Betamethasone has been shown to decrease intraamniotic infections.

c. Betamethasone promotes fetal lung maturity and decreases the risk of respiratory distress syndrome.

d, The anti inflammatory effect of betamethasone decreases the risk of GBS sepsis in the newborn.

e. Betamethasone is the only corticosteroid proven to cross the placenta.

Answer and explanation