Over the past 12 weeks, a 75-year-old man with a moderate aortic stenosis has developed shortness of breath and chest pains during exertion. He appears pale. Test of his stool for blood is positive. Laboratory studies show the following: hemoglobin 7.2 g/dL, and mean corpuscular volume 75. A blood smear shows microcytic, hypochromic erythrocytes. Which of the following is the most likely diagnosis?

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#Question id: 10235

#Unit 10. Ecological Principles

Following some observation is correct about species of P, Q and R

A) Species P and R have generalized nich while Q has specialized nich

B) Species P and R have specialized nich while Q has generalized nich

C) Species P and R are more prone to extinct than Q species

D) Species Q is more prone to extinct than either P or R species

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#Question id: 426

#Unit 1. Molecules and their Interaction Relevant to Biology

Which statement is not true about catabolic pathways?

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#Question id: 23343

#General Aptitude

In colleges, universities the promotion on the post of Reader under the Personal Promotion Scheme, the required minimum number of published papers is

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#Question id: 19131

#Unit 12. Applied Biology

How analyte and biological substances interacted in a biosensor?

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#Question id: 11581

#Unit 7. System Physiology – Animal

DES is called an "endocrine disrupting chemical" because it interferes with the endocrine secretions of the ________.