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NEET MDS Quiz - Practice Test
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Practice Test

medicine - 3 Questions

1
Medicine
In a patient of supraventricular tachycardia both CVP and intra-arterial pressure were measured. What changes would you expect in these pressures
1. Both increase
2. Both decrease
3. CVP increase, BP decrease
4. BP increase, CVP decrease

πŸ“ Explanation:

Supraventricular tachycardia (SVT) causes a rapid heart rate, which significantly shortens the time the ventricles have to fill with blood (diastole).

The decreased ventricular filling time leads to less blood being pumped out with each beat, resulting in a decrease in blood pressure (BP).

Simultaneously, the reduced ability of the heart to empty effectively causes blood to back up into the venous system, leading to an increase in central venous pressure (CVP).

2
Medicine
Anterior uveitis is seen in 
1. Pauci articular JRA
2. Polyarticular JRA
3. Still’s disease
4. Rheumatoid arthritis

πŸ“ Explanation:

Anterior uveitis, or inflammation of the front part of the eye, is a common extra-articular manifestation of juvenile idiopathic arthritis (JIA). 

It is most frequently associated with the pauciarticular (oligoarticular) subtype of JIA, particularly in young girls who are antinuclear antibody (ANA) positive. 

This condition can be asymptomatic and lead to serious eye complications if not detected early through regular screening. 

3
Medicine
A 42-year-old patient with inferior wall acute MI developed shock and death. The cause is most likely to be
1. Right ventricular infarct
2. Myocardial rupture
3. Septal defect
4. Papillary muscle rupture

πŸ“ Explanation:

An acute inferior wall myocardial infarction (MI) is most commonly caused by an occlusion of the right coronary artery, which supplies the inferior wall of the left ventricle and the right ventricle in most people. When the right ventricle is involved in the infarction, it can lead to right ventricular dysfunction, which severely impairs the heart's ability to pump blood to the lungs and subsequently to the rest of the body. This results in acute and progressive hemodynamic collapse and cardiogenic shock. Cardiogenic shock is the most common cause of death in patients with acute MI.

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