Friday 24 June 2011

MCQ 27

Somatostatin is secreted by

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

Answer

Thursday 23 June 2011

MCQ 26

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

Answer

Monday 20 June 2011

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

Thursday 16 June 2011

MCQ 24

All of the following drugs are commonly used in regimens against H.pylori except

a. Oxytetracycline
b. Amoxicillin
c. Bismuth subcitrate
d. Omeprazole

Answer

Monday 13 June 2011

MCQ 23

Non-parenteral hepatitis is

a. Hepatitis E
b. Hepatitis B
c. Hepatitis C
d. Hepatitis D

Answer

Saturday 11 June 2011

MCQ 22

Growth factors promote cell growth by acting on

a. cAMP
b. Tyrosine kinase
c. cGMP
d. TRM

Answer

Friday 10 June 2011

MCQ 21

Menopause is defined as cessation of menstruation for

a. 03 consecutive months
b. 06 consecutive months
c. 09 consecutive months
d. 12 consecutive months
e. 15 consecutive months

Answer

Thursday 9 June 2011

MCQ 20

Which of the following is the drug of choice for the treatment of inappropriate anti-diuretic hormone secretion?

a. Furosemide
b. Hydrochlorothiazide
c. Spironolactone
d. Demeclocycline

Answer

Wednesday 8 June 2011

MCQ 19

Which of the following is the most common type of pituitary adenoma?

a. Thyrotropinoma
b. Gonadotropinoma
c. Prolactinoma
d. Corticotropinoma.

Answer

Tuesday 7 June 2011

MCQ 18

A healthy 9 yr old girl is brought to her pediatrician by her concerned parents. Previously very friendly with everyone, she now bursts into tears when she is approached by unfamiliar adult. Which of the following best describes this child's behavior?

a. Separation anxiety
b. Insecure attachment
c. Simple phobia
d. Depressive position
e. Stranger anxiety

Answer and explanation

Monday 6 June 2011

MCQ 17

A 36 yr old woman is hospitalized for treatment of a stomach ulcer that has been getting progressively worse over several months. Radiographic studies reveal the site of involvement to be along the greater curvature, approximately 4 cm away from the pyloric sphincter. That night ulcer perforates, and there is considerable intra abdominal bleeding. Surgery reveals that the ulcer eroded through the stomach wall and has damaged the artery supplying the involved region of the stomach. Which artery was likely involved?

a. Left gastric
b. Left gastroepiploic
c. Right gastric
d. Right gastroepiploic
e. Short gastric

Answer and explanation

Saturday 4 June 2011

MCQ 16

The posterior pituitary secretes arginine vasopressin (antidiuretic hormone) under which of the following stressors?

a. Hyperosmolarity
b. Hypernatremia
c. Volume depletion
d. A and B
e. A and C

Answer and explanation

Friday 3 June 2011

MCQ 15

A 75 year old man with a 40 pack year history of smoking and hypercholestremia is diagnosed with severe atherosclerosis. Atherosclerotic occlusion of which of the following arteries would result in insufficient perfusion o f the urinary bladder?

a. External iliac
b. Inferior epigastric
c. Internal iliac
d. Internal pudendal
e. Lateral sacral

Answer and explanation

Thursday 2 June 2011

MCQ 14

A 90 year old male complains of hip and back pain. He has also developed headache, hearing loss, and tinnitus. On physical examination the skull appears enlarged, with prominent superficial veins. There is a marked kyphosis , and the bones of the leg appear deformed. Plasma alkaline phosphatase is elevated. A skull X-ray shows sharply demarcated lucencies in the frontal, parietal, and occipital bones. X-rays of the hip show thickening of the pelvic brim. The most likely diagnosis is

a. Multiple myeloma
b. Paget's disease
c. Hypercalcemia
d. Metastatic bone disease

Answer and explanation

Wednesday 1 June 2011

MCQ 13

An infant who sits with only minimal support, attempts to attain a toy beyond reach, and rolls over from the supine to the prone position, but does not have a pincer grasp, is at a developmental level of
a. 2 months
b. 4 months
c. 6 months
d. 9 months
e. 1 year

Answer and explanation