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MBBS pediatrics hit questions final year (MITRAAZ)

Posted by Dr. Vikash on October 06, 2024

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Why Do Some People Age Faster Than Others? Here's the Science Behind Early Aging

Why Do Some People Age Faster Than Others? Here's the Science Behind Early Aging. Fig : showing the contrast between aging and youthfulness Ever wondered why some people old faster than their age , while others seem to stay youthful for a long time? Early aging is something many of us think about, and science has some answers. The secret lies in our DNA , specifically in structures called telomeres , and genetics plays a significant role. Understanding Telomeres: The Timekeepers of Aging. Telomeres are like the plastic tips at the end of your shoelaces—they protect the ends of your chromosomes from fraying or sticking to each other. Every time your cells divide, these telomeres get a little shorter. When they become too short, cells can no lo...

The Mysterious Sound: An Intriguing Geological Phenomenon

In September 2023, a bizarre phenomenon shook the Earth for an astonishing nine days, leaving scientists puzzled. This mysterious sound was detected globally, from the Arctic to the Antarctic, raising questions about its origins and implications. Let’s delve into the details of this fascinating event and understand its significance in the context of Earth's geology and climate change. Photo by National Cancer Institute on Unsplash Understanding the Signal The story begins with scientists who monitor seismic activity around the globe. While earthquakes are a common occurrence, the signal detected in September was unlike any previously recorded. It was a continuous signal, characterized by a singular vibration frequency. The most astonishing aspect was its duration; it persisted for nine consecutive days. Photo by Lukas Blazek on Unsplash Initial Theorie...

MBBS pediatrics hit questions final year (MITRAAZ)

List the Common Causes of Pyrexia of Unknown Origin in Children. Briefly Indicate the Investigations for a Child with Prolonged Fever for More Than Two Weeks. Discuss the Specific Treatment for a Six-Year-Old Child with Falciparum Malaria. Pyrexia of Unknown Origin (PUO) in Children: Pyrexia of Unknown Origin, also known as Fever of Unknown Origin (FUO), is defined as a fever lasting for more than two weeks without an identifiable cause, despite appropriate investigation. The common causes of PUO in children include: Infections : This is the most common cause of PUO in children and includes bacterial, viral, fungal, and parasitic infections. Some specific infections are: Tuberculosis Infective endocarditis Abscesses (intra-abdominal or dental) Cytomegalovirus (CMV), Epstein-Barr virus (EBV) Urinary tract infections Rheumatologic Disorders : Autoimmune conditions like: Systemic Juvenile Idiopathic Arthritis (JIA) Systemic Lupus Erythematosus (SLE) Vasculitis (e.g., Kawasaki disea...

Over 40? Beware of These 14 Silent Warning Signs of Diabetes mellitus

Have you ever noticed these questions? Q1. Are you going to the bathroom more often than usual, especially at night? Q2. Do you feel thirsty all the time, no matter how much water you drink? Q3. Are you always hungry, even after just eating a meal? Q4. Have you noticed sudden weight loss without trying to lose weight? Q5. Do you often feel tired or weak, even when you haven't done much? Q6. Is your vision sometimes blurry, making it hard to see clearly? Q7. Do small cuts or wounds on your body take much longer to heal than usual? Q8. Do you seem to get infections more often, like skin or urinary infections? Q9. Do you ever feel a tingling or numb sensation in your hands or feet? Q10. Have you noticed dark patches of skin, especially around your neck or armpits? Q11. Do you find yourself feeling more irritable or moody without a clear reason? Q12. Is your mouth dry, or does your skin feel unusually dry or itchy? Q13. Has anyone ever told you that your breath smells fruity or...

क्या आपने कभी सोचा है कि जुड़वां बच्चे (Twin babies) कैसे होते हैं?

Author. Dr. Vikash (MBBS) क्या आपने कभी सोचा है कि जुड़वां बच्चे (Twin babies) कैसे होते हैं? इसके पीछे क्या वैज्ञानिक कारण हैं? ट्विन बेबीज़ (जुड़वां बच्चे) का जन्म एक ऐसा विषय है जो हमेशा से ही लोगों की दिलचस्पी का केंद्र रहा है। इस ब्लॉग में हम ट्विन बेबीज़ (Twin babies) के जन्म के पीछे के वैज्ञानिक तथ्यों और कारणों (scientific facts & reasons) को सरल में समझेंगे। ट्विन बेबीज़ के प्रकार (Types of twin babies) ट्विन बेबीज़ मुख्य रूप से दो प्रकार (two types) के होते हैं: 1.समान जुड़वां (Identical Twins) समान जुड़वां बच्चे तब होते हैं जब एक ही फर्टिलाइज्ड एग (अंडाणु or Egg) दो हिस्सों में विभाजित हो जाता है। यह विभाजन गर्भधारण के शुरुआती दिनों में होता है। क्योंकि ये दोनों हिस्से एक ही अंडाणु (Egg)और एक ही शुक्राणु(sperm )से विकसित होते हैं, इसलिए इन बच्चों का डीएनए (DNA) भी लगभग समान होता है। इसलिए इन्हें समान जुड़वां (Identical Twins) कहा जाता है। 2. असमान जुड़वां (Fraternal Twins) असमान जुड़वां बच्चे तब होते हैं जब माँ के अंडाशय से दो अलग-अलग अंडाणु (Egg...

Musk's Neuralink brain chip : Iniating The Era of Telepathy

कल्पना कीजिए, आप किसी व्यक्ति से कुछ कहने की कोशिश कर रहे हैं, लेकिन इसके लिए शब्दों की आवश्यकता ही नहीं है। आपके विचार सीधे उस व्यक्ति के दिमाग में पहुंच जाते हैं। क्या यह मुमकिन है? Telepathy , एक ऐसा विचार जिसे अब तक हम सिर्फ कहानियों और साइंस फिक्शन फ़िल्मों में ही देखते थे। लेकिन क्या यह सच में संभव हो सकता है? एलन मस्क की कंपनी Neuralink ने इस सवाल का जवाब ढूंढ लिया है। Neuralink एक ऐसी तकनीक है जो मानव मस्तिष्क की सीमाओं को पार करने की क्षमता रखती है। हाल ही में इस तकनीक ने इतिहास रच दिया, जब मस्क ने X पर एक वीडियो साझा किया, जिसमें एक व्यक्ति केवल अपने विचारों का उपयोग करके एक गेम खेल रहा था , यह वही व्यक्ति है जिसके ब्रेन मे Neuralink chip को human trials के लिए इंप्लांट किया गया था। यह कोई जादू नहीं, बल्कि Neuralink के माध्यम से संभव हुआ। Livestream of @Neuralink demonstrating “Telepathy” – controlling a computer and playing video games just by thinking https://t.co/0kHJdayfYy — Elon Musk (@elonmusk) March 20, 2024 Neuralink ब्रेन चिप ने Telepathy के यु...

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