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

Parkinson's Disease: Pharmacological Treatments

The primary pharmacological treatment for Parkinson's disease focuses on replenishing dopamine, the neurotransmitter deficient in the disease, and managing associated symptoms. Levodopa, often combined with carbidopa, is the cornerstone of treatment, alongside dopamine agonists, MAO-B inhibitors, COMT inhibitors, and anticholinergic agents.

Key Medications for Parkinson's Disease

1. Levodopa

   Levodopa is a dopamine precursor that can cross the blood-brain barrier and is converted into dopamine in the brain.

   It is typically combined with carbidopa, which inhibits the breakdown of levodopa before it reaches the brain, reducing side effects and improving efficacy.

   Levodopa is effective in improving motor symptoms

Medicines → Medicaments / First Aid Kit → Farmàcia de primers auxilis / Band Aid → Tirites  / Nasal spray → spray nasal / Eye drops → Gotes per als ulls / Tissues → Teixits / Lip balm / Chapstick → Bàlsam de llavis / Shampoo → xampú / Conditioner → Condicionador  / Dandruff → Caspa /  Body ache → dolor corporal / Cold / Flu → Refredat / grip  / Sublingually →  Sublingualment / Tablets / Pills → Pastilles / píndoles / Syrup → xarop / Cough / drops → gotes per a la tos / Asthma pump → Bomba d’asma  / Weighing scale → Bàscula de pes / Sanitary pads → Coixinets sanitaris / Diapers → Bolquers / Baby wipes → Tovalloletes per a nadons  / Baby milk powder → llet infantil en pols / Lens solution... Continue reading "Essential Health and Personal Care Vocabulary List" »

Vocabulary

• Being admired by the people around you
• Being part of a loving family
• Doing really well in your studies or work
• Having enough money to live well
• Having friends
• Having a lot of time to spend on the things I love doing
• Living in a nice neighborhood

Achieve, Carry Out, and Devote

• Achieve: *conseguir/lograr* (It helped her to achieve her aim of improving her family's happiness)
• Carry out: *llevar a cabo* (Susan's concerns prompted her to carry out her own research)
• Devote: *dedicar* (We know devoting more time...)

Stay, Spend, and Pass

• Stay: *permanecer, estar tiempo* (I stayed 2 hours listening to the radio)
• Spend: *pasar/gastar* (I have spent my life studying)
• Pass: *pasar tiempo*

Make, Cause, and Have

• Make: *hizo que* (The bad sound made the film difficult

English Grammar Essentials

Active and Passive Voice Tenses

Time Clauses and Subordinating Conjunctions

Microcytic Hypochromic Anemia

1. Iron Deficiency Anemia

Causes

• Physiological: Nutritional deficiency, menstrual iron loss, pregnancy, blood donation, gastrointestinal bleeding.
• Pathological: Excessive blood loss (peptic ulcers, carcinoma), excessive uterine bleeding.

Clinical Features

• Fatigue, pale oral mucosa/lips/eyes, koilonychia, sparse hair.

Oral Manifestations

• Glossitis, stomatitis, angular cheilitis, oral candidiasis, aphthous ulcers.
• Treatment: Ferrous sulfate, eliminate underlying cause.

2. Thalassemia

Also known as Cooley's anemia. Features include kyphosis, dark urine, and jaundice.

Oral Manifestations

• Spiky short roots, taurodontism, enlarged bone marrow, parotid gland swelling (iron deposition), caries.
• Treatment: Deferoxamine mesylate, RBC

Classification and Therapeutic Uses of NSAIDs

Classification of NSAIDs

NSAIDs (Non-Steroidal Anti-Inflammatory Drugs) are classified based on their chemical structure or COX (cyclooxygenase) enzyme selectivity.

I. Classification by COX Selectivity

1. Non-selective COX Inhibitors

These inhibit both COX-1 and COX-2 enzymes:

• Aspirin (acetylsalicylic acid)
• Ibuprofen
• Naproxen
• Indomethacin
• Ketorolac
• Diclofenac
• Piroxicam

2. Preferential COX-2 Inhibitors

These selectively inhibit COX-2 more than COX-1, but not exclusively:

• Meloxicam
• Nabumetone
• Etodolac

3. Selective COX-2 Inhibitors (Coxibs)

These minimally affect COX-1, resulting in lower GI side effects:

• Celecoxib
• Etoricoxib
• Parecoxib
• Valdecoxib (withdrawn in some countries due to cardiovascular risk)
• Rofecoxib (withdrawn

Maxillofacial Defects: Classification

Congenital Defects

• Cleft lip and palate
• Microtia and Anotia
• Congenital anophthalmia

Acquired Defects

• Surgical resection
• Trauma
• Pathological: Osteomyelitis, post-radiation necrosis

Developmental Defects

• Micrognathia
• Maxillary hypoplasia
• Hemifacial microsomia

Objectives of Maxillofacial Restoration

• Restoration of function
• Restoration of esthetics
• Psychological rehabilitation
• Surgical reconstruction

Rehabilitation of Maxillofacial Defects

• Surgical reconstruction
• Prosthetic rehabilitation
• Combined surgical and prosthetic approach

Palatal Development

• Primary Palate: 5th week, median nasal process rises to form the premaxilla.
• Secondary Palate: 7th week, fusion begins at the nasal septum, giving rise to the hard and soft palate.

Etiology

Pharmacology Fundamentals

Medical Prescription Components and Units

A medical prescription includes the date, patient identification (such as name, age, and weight if relevant), the Rx symbol (meaning "take"), the inscription (drug name, strength, dosage form, and quantity), the subscription (instructions to the pharmacist), the signatura or "Sig." (directions for the patient including route, frequency, and duration), the prescriber's information (name, signature, license number), and refill instructions. Units of measurement include micrograms (µg), milligrams (mg), grams (g), milliliters (mL), liters (L), concentrations such as percentage (%) and mg/mL, international units (IU), and sometimes weight per kilogram of body weight. Obsolete units... Continue reading "Pharmacology Essentials: Drug Forms, Actions, and Therapeutic Classes" »

Fast Food vs. Home-Cooked Meals

Have you ever wondered why people love fast food and home-cooked meals so much? Food is one of the best parts of our daily life, but the types of food we choose can be very different. Fast food and home-cooked food are two popular choices for many families today. While fast food offers speed for busy schedules, home-cooked food brings people together around the table. Comparing both types of food helps us understand which option fits our lifestyle better. Fast food and home-cooked food differ in preparation time, total cost, and health benefits.

Preparation Time and Convenience

The first difference between fast food and home-cooked food is the preparation time. Fast food is ready in just a few minutes, which saves... Continue reading "Fast Food vs. Home-Cooked Meals: The Best Choice" »

Respiratory System Physiology Q&A

1. Lung Mechanics

Question: What two factors cause the lungs to have a constant tendency to collapse?
Answer: Elastic fibers around the alveoli and surface tension in the alveolar water.

2. Sound Production

Question: What is the organ primarily responsible for sound production?
Answer: Larynx.

3. Tidal Volume

Question: What is the volume of a typical tidal inhalation?
Answer: 500 mL.

4. Gas Exchange Distance

Question: Which of these is closest to the approximate distance between blood plasma and air?
Answer: 1 µm.

5. Alveolar Function

Question: What is the function of type 2 alveolar cells?
Answer: Secrete surfactant.

6. Pleural Membranes

Question: What do we call the membrane around the lungs which is attached to the... Continue reading "Respiratory System Physiology: Key Concepts and Facts" »