Author: qnasb27

Isometric (static) exercise differs from isotonic (dynamic) exercise in that it causes a greater increase in A. Venous return. B. Pressure in the veins draining the exercising muscle. C. Muscle blood flow....

Veins A. Contain most of the blood volume. B. Have a sympathetic vasoconstrictor innervation. C. Receive nutrition from vasa vasorum arising from their lumen. D. Respond to distension by contraction of...

Pulmonary vascular resistance is A. Less than one-third that offered by the systemic circuit. B. Decreased when alveolar oxygen pressure falls. C. Expressed in units of volume flow per unit time per unit...

In the heart A. The left atrial wall is about three times thicker than the right atrial wall. B. Systolic contraction normally begins in the left atrium. C. Excitation spreads directly from atrial muscle...

Ventricular filling A. Depends mainly on atrial contraction. B. Begins during isometric ventricular relaxation. C. Gives rise to a third heart sound in some healthy people. D. Can occur only when atrial...

The second heart sound differs from the first heart sound in that it is A. Related to turbulence set up by valve closure. B. Longer lasting than the first sound. C. Higher in frequency. D. Occasionally...

Pulmonary vascular resistance is A. Less than one-third that offered by the systemic circuit. B. Decreased when alveolar oxygen pressure falls. C. Expressed in units of volume flow per unit time per unit...

The pressure A. Drop along large veins is similar to that along large arteries. B. Drop across the hepatic portal bed is similar to that across the splenic vascular bed. C. In the hepatic portal vein exceeds...

Increased osmotic fragility is seen in all, except: a. IDA b. HS c. HE d. AIHA

Typical dominant HS is most commonly caused by deficiency of: a. Ankyrin b. Band 3 c. Spectrin d. Protein 4.2

In how many percentage of HS patients, spherocytes are seen in PS: a. 40% b. 60% c. 80% d. 100%

Which of the following have decreased osmotic fragility? a. HS b. Hereditary elliptocytosis c. Hereditary xerocytosis d. Hereditary stomatocytosis/hydrocytosis

A young male developed spontaneous DVT of right lower limb and he is having a sister who had DVT 5 years back and having protein C deficiency. He was started on warfarin and the INR came to 2-3 after which...

All of the following pathogens are associated with HUS, except: a. E. coli 0157:H7 strain b. Shigella dysenteriae serotype I c. Citrobacter freundii d. Yersinia enterocolitica

A young patient developed unprovoked DVT for which he was started on LMWH and acitrom. LMWH should be continued: a. For 5 days b. For 5 days or until INR is between 2–3 for atleast 24 hours, whichever...

All of the following are seen in a patient of APLA, except: a. Pre-eclampsia b. Infertility c. Placental abruption d. IUGR e. Preterm labor

Which of the following is not a risk factor for arterial thrombosis? a. Diabetes mellitus b. Gout c. Male sex d. Smoking e. Hypohomocysteinemia

Which one of the following statement is true regarding factor V Leiden gene mutation? a. In Caucasians the incidence of factor V Leiden is 5% b. Individuals have an increased risk of bleeding c. Homozgous...

Which of the following statement is not true? a. Antithrombin III deficiency is sex linked b. Mucinous adenocarcinomas are more prone for DIC c. Protein C deficiency can develop coumadin induced skin necrosis...

Which of the following is a major risk factor for venous thrombosis? a. Smoking b. High cholesterol c. Hypertension d. Diabetes mellitus e. Cancer.