Notes, summaries, assignments, exams, and problems for Medicine & Health

Respiratory Conditions: Key Summaries

Bronchial Asthma

Reversible airway hyperresponsiveness.

Atopic Triad

• Asthma
• Rhinitis
• Dermatitis

Mechanism: IgE mediated, involving eosinophils (leading to bronchospasm, mucus, and edema).

Chronic Changes: Fibrosis and smooth muscle hypertrophy.

Clinical Presentation

• Wheeze
• Dyspnea
• Cough
• Chest tightness

Diagnosis

• FEV1 < 80%
• FEV1/FVC < 80%
• Reversibility test > 12%

Acute Severe Features

Arrhythmia, cyanosis, hypoxia, silent chest.

Treatment

1. SABA (Salbutamol)
2. Low ICS (Fluticasone)
3. ICS + LABA (Formoterol)

Acute Management

Oxygen, nebulized SABA, Ipratropium, systemic corticosteroids, IV magnesium sulfate. Mechanical ventilation if severe.

Pneumonias (12-16)

Community Acquired Pneumonia (CAP) Pathogens

Streptococcus pneumoniae,... Continue reading "Respiratory Conditions: Asthma, Pneumonia, and Tuberculosis Summary" »

How to Eat for a Better Mind

What we eat impacts not only our body but also our mind, as it directly affects the structure and function of our brain.

Eating a healthy, balanced diet can improve brain function, mood, and attention, while lowering the risk of anxiety and depression. So-called "brain foods"—such as berries, dark chocolate, green tea, nuts, and salmon—are rich in vitamins, antioxidants, omega-3 fatty acids, and other nutrients that our brain needs to function at its best.

Just as important as eating well is avoiding harmful foods. A diet high in sugar, fats, processed foods, and alcohol is linked to diminished brain function and worsened symptoms of mood disorders.

In summary, we all have the power to improve our nutrition to help... Continue reading "Optimize Brain Health: Nutrition, Coffee, and Bilingualism" »

Reading 1: The Biology of Sleep and Night Owls

Many teenagers, like Brian, struggle to wake up for school. While teachers might perceive them as lazy, science suggests a different reason. Every human has an internal body clock, or chronotype, controlled by "clock genes." In teenagers, the body releases melatonin (the sleep hormone) much later than in adults. This means their brains are not ready to sleep until 11:00 p.m. or later. When they must wake up at 7:00 a.m., they suffer from social jet lag and feel exhausted. Scientists suggest that starting school later could make students more focused and productive.

Comprehension Questions

• True or False? Teenagers are tired in the morning because they are irresponsible.
  Answer: False. Quote: "Science

Vocabulary and Contextual Synonyms

1. Without consulting the dictionary, suggest 1 alternative for the following words and phrases in the text, replacing them exactly as required in the context:

• a) clobber (1:5): assault
• b) settled (3:1): resolved
• c) peers (4:2): partners or colleagues

Central Idea and Textual Analysis

2. Restate the central idea of the text in one sentence.

• Respuesta: Violence doesn't guarantee success; therefore, problems and controversies are mostly resolved without violent acts.

Metaphorical Language and Punctuation

3. Why has the author enclosed the word "merchandise" in inverted commas? Explain.

• Respuesta: It is expressed metaphorically. Despite the fact that a controversial case has already been solved, it can still resurface

Past Habits and Repeated Actions

• Would (always/never) + base form: He would never say he was too tired.
• (Always/never) used to + base form: My dad always used to throw a softball for me.
• Be + always + -ing verb: My little sister was always sneaking into my room.

Expressing Wishes and Desired Changes

Subject + wish + subject + would + verb: Use wish + would for behavior that a person can actively change. Do not use this for facts or states. Example: "I wish I wouldn't wear a uniform."

Stative vs. Dynamic Verbs

• Stative verbs: These mean having an opinion or mental state (e.g., believe, feel, know, like).
• Non-stative verbs: These mean having a plan or action.
• Categories: Senses (look, hear, seem, sound), Communication (agree, deny, mean, promise, prefer)

80 Essential English Irregular Verbs

Verb Conjugations: Past Simple and Past Participle

• 1. Be: was/were, been
• 2. Beat: beat, beaten
• 3. Become: became, become
• 4. Begin: began, begun
• 5. Bet: bet, bet
• 6. Break: broke, broken
• 7. Bring: brought, brought
• 8. Broadcast: broadcast, broadcast
• 9. Build: built, built
• 10. Buy: bought, bought
• 11. Catch: caught, caught
• 12. Choose: chose, chosen
• 13. Come: came, come
• 14. Cost: cost, cost
• 15. Cut: cut, cut
• 16. Do: did, done
• 17. Draw: drew, drawn
• 18. Drink: drank, drunk
• 19. Drive: drove, driven
• 20. Eat: ate, eaten
• 21. Fall: fell, fallen
• 22. Feed: fed, fed
• 23. Feel: felt, felt
• 24. Fight: fought, fought
• 25. Find: found, found
• 26. Fly: flew, flown
• 27. Forget: forgot, forgotten
• 28. Get: got, got
• 29. Give: gave, given
• 30. Go: went, gone
• 31. Grow:

Endocrine and Systemic Disorders

Endocrine Disorders

• Hypothyroidism
• Hypopituitarism

Systemic Defects of Neutrophils

• Qualitative: Papillon-Lefèvre syndrome
• Quantitative: Cyclic neutropenia

Acrodynia (Pink Disease)

Acrodynia is a connective tissue disease caused by mercury toxicity. Oral manifestations include:

• Premature exfoliation of teeth
• Inflammation and ulceration
• Increased salivation
• Loss of alveolar bone
• Exfoliation of skin

Management of Hemophilia

• Consult a hematologist.
• Use infiltration only; no nerve blocks (NB).
• Plasma factor transfer before major surgeries.
• Control superficial wounds with powder hemostatic agents such as thrombin.
• Prioritize pulp therapy over extraction.
• Avoid suturing.
• Aspirin and NSAIDs are contraindicated.
• Use paracetamol for moderate

Reported Speech Rules

• Offer, promise, agree: Use verb + to + infinitive.
• Suggest, admit: Use verb + -ing.
• Tell, ask, advise, order, warn: Use verb + object + to + infinitive.
• Apologize: Use apologize for + -ing.
• Tell, say, announce, recommend: Use verb + that (Note: Tell requires an object, say does not).

Passive Voice Construction

To form the passive voice, the object of the active sentence becomes the subject. Use the verb be (in the correct tense) + past participle. Use by + object to indicate the agent.

• Present Simple: is/are eaten
• Present Continuous: is being eaten
• Present Perfect: has been eaten
• Past Simple: was/were eaten
• Future: will be eaten
• Past Perfect: had been eaten
• Modals: can/must be eaten / should be eaten
• Double Objects: "They gave Sophia

Communicable Diseases and Causative Agents

1. Chickenpox (Varicella)

Causative agent: Varicella-Zoster Virus (VZV).
Pathology: The virus enters through the respiratory tract, spreads through the bloodstream, and produces characteristic itchy vesicular skin lesions.
Transmission: Spread by respiratory droplets and direct contact with fluid from skin blisters.
Incubation period: 10–21 days.
Clinical features: Fever, malaise, headache, and an itchy vesicular rash appearing in crops.
Diagnosis: Clinical examination, PCR, or VZV IgM antibody test.
Prevention: Varicella vaccination, isolation of infected patients, hand hygiene, and avoiding contact with susceptible individuals.

2. Measles

Causative agent: Measles virus (Morbillivirus).
Pathology: The virus... Continue reading "Integrated Public Health and Ayurvedic Wellness Principles" »

Rinse-Off Products

Rinse-off products differ from leave-on products because they are only on the body transiently and are then washed away.

• Therefore, they are not generally used to deliver functional ingredients for absorption.

• They must deliver their function(s) rapidly.

• They might contain some minimal amount of ingredients designed to remain after rinsing.

• They can better tolerate the presence of ingredients that might cause irritation or allergies than a leave-on product.

• Mostly, rinse-off products for personal care are used as cleansers, so surfactants and solvents are key ingredients.

Cleaning – A Bit of History

• Ancient civilizations employed various methods for cleaning skin and hair using natural substances.

• Egyptian civilization: used soap-