• 1. Question
All of the following factors normally increase the length of the ventricular cardiac muscle fibers except:
• 1. Increased venous tone
• 2. Increased negative intrathoracic pressure
• 3. Increased total blood volume
• 4. Lying to standing change in posture
• 2. Question
Distribution of blood flow in mainly regulated by the;
• 1. Arteries
• 2. Arterioles
• 3. Venules
• 4. Capillaries
• 3. Question
All endothelial cells produce thrombomodulin except those found in:
• 1. Cutaneous circulation
• 2. Hepatic circulation
• 3. Renal circulation
• 4. Cerebral microcirculation
• 4. Question
In-situ DNA nick end labeling can quantitate:
• 1. Fraction of cells in apoptotic pathways
• 2. p53 gene product
• 3. Fraction of cells in S phase
• 4. bcr/abl gene
• 5. Question
In apoptosis, Apaf-1 is activated by release of which of the following substances from the mitochondria?
• 1. Bcl-XL
• 2. Cytochrome C
• 3. Bax
• 4. Bcl 2
• 6. Question
The vasodilatation produced by carbon dioxide is maximum in one of the following:
• 1. Liver
• 2. Kidney
• 3. Heart
• 4. Brain
• 7. Question
The Prostatic urethra is characterized by all of the following features, except that it:
• 1. Lies closer to anterior surface of prostate
• 2. Receives Prostatic ductules along its posterior wall
• 3. ls the widest and most dilatable part
• 4. Presents a concavity posteriorly
• 8. Question
Benign Prostatic hypertrophy results in obstruction of the urinary tract. The specific condition is associated with enlargement of the:
• 1. Lateral lobes
• 2. Entire prostate gland
• 3. Median lobe
• 4. Posterior lobes
• 9. Question
Which one of the following biochemical parameters is the most sensitive to detect open spina bifida?
• 1. Amniotic fluid alpha fetoprotein
• 2. Maternal serum alpha fetoprotein
• 3. Amniotic fluid acetyl cholinesterase
• 4. Amniotic fluid glucohexaminase
• 10. Question
All of the following statements regarding vas deferens are true except:
• 1. The terminal part is dilated to form ampulla
• 2. It is separated from the base of bladder by the peritoneum
• 3. It crosses ureter in the region of ischial spine
• 4. lt passes lateral to inferior epigastric artery at deep inguinal ring
• 11. Question
The coagulation profile in a 13-year old girl with Menorrhagia having von Willebrands disease is:
• 1. Prolongation of thrombin time
• 2. Isolated prolonged PTT with a normal PT
• 3. Isolated prolonged PT with a normal PTT
• 4. Prolongation of both PT and PTT
• 12. Question
The most common leukocytoclastic vasculitis affecting children is:
• 1. Takayasu disease
• 2. Henoch–Schönlein purpura
• 3. Mucocutaneous lymph node syndrome (Kawasaki disease)
• 4. Polyarteritis nodosa
• 13. Question
The smallest diameter of the true pelvis is:
• 1. True conjugate
• 2. Diagonal conjugate
• 3. Interspinous diameter
• 4. Intertuberous diameter
• 14. Question
Bart‘s hydrops fetalis is lethal because:
• 1. The excess alpha globin form insoluble precipitates
• 2. Hb Bart’s cannot release oxygen to fetal tssues
• 3. Hb Bart’s cannot bind oxygen
• 4. Microcytic red cells become trapped in the placenta
• 15. Question
The best period of gestation to carry out chorion villous biopsy for prenatal diagnosis is?
• 1. 8-10 weeks
• 2. 10-12 weeks
• 3. 12-14 weeks
• 4. 14-16 weeks