Notes, summaries, assignments, exams, and exercises for Medicine and health sciences for Other courses

**Chemical Risk Assessment in the Workplace**

Hygienic Evaluation

Methodology for detection and quantification of industrial pollutants and assessment of the risk for workers exposed to them.

• Environmental: Compare the actual exposure levels to theoretical allowable values.
• Biological: Determine the amount of pollutant or its metabolites in exposed workers.

Assessment Criteria

• Reference values
  • United States (ACGIH)
    • TLV (Threshold Limit Value)
    • BEI (Biological Exposure Indices)
  • Spain (INSHT)
    • VLA (Environmental Limit Values)
    • VLB (Biological Limit Values)
• Maximum values allowed
  • USA (OSHA)
    • PEL (Permissible Exposure Limit)
  • Spain (Current Legislation)
    • Regulation of Troublesome, Unhealthy, Harmful, and Dangerous Activities
    • Specific regulations (benzene, asbestos, lead,

Pharmacology Fundamentals

Pharmacokinetics: What the Body Does to the Drug

Phases:

1. Absorption – How a drug enters the bloodstream

2. Distribution – How a drug travels through the body

3. Metabolism – How a drug is broken down (mainly in the liver)

4. Excretion – How a drug leaves the body (mainly through the kidneys)

🧠 Memory Trick: ADME — Absorb, Deliver, Metabolize, Exit

Pharmacodynamics: What the Drug Does to the Body

• Describes how a drug works at the target site

• Involves receptor binding, enzyme interactions, and therapeutic vs. side effects

Examples:

• Beta blockers bind to beta receptors → slow heart rate

• Insulin binds to insulin receptors → lowers blood sugar

Drug Release Types: ER, IR, SR, XL, CR

Insulin Action Times

Understanding the action times of different insulin types is crucial for effective diabetes management. Here's a breakdown:

• Rapid-Acting:
  • Examples: Actrapid or Humulin Regular
  • Onset: 20-30 minutes
  • Peak: 2-4 hours
  • Duration: 6-8 hours
  • Note: Crystalline insulin
• Intermediate-Acting:
  • Examples: Insulatard or Humulin NPH
  • Onset: 45-60 minutes
  • Peak: 6 hours
  • Duration: 12-14 hours
  • Note: Protamine insulin
• Long-Acting:
  • Examples: Monotard or Slow
  • Onset: 60-90 minutes
  • Peak: 8-12 hours
  • Duration: 24 hours
  • Note: 70% zinc

When insulin is administered twice daily, typically 60% is given in the morning and 40% at night.

Managing Nocturnal Hypoglycemia

Nocturnal hypoglycemia with rebound hyperglycemia before breakfast (Somogyi effect) can be managed by checking capillary...

Advantages and Disadvantages of Short-Acting and Long-Acting Benzodiazepines

Short-acting benzodiazepines present a lower risk of causing excessive sleepiness but cause more problems with insomnia and anxiety when discontinued. Long-acting benzodiazepines increase the risk of sedation because they accumulate in the body but cause fewer withdrawal symptoms when discontinued.

Respiratory Monitoring in Patients Treated with Benzodiazepines

You should always monitor SpO2 continuously, as well as the risk of aspiration. It is necessary to have a suction unit ready.

Preventive Technique for Pain Control

It is based on maintaining constant therapeutic levels of analgesics or anti-inflammatory drugs. Medication should be administered at the scheduled interval,...

Antiepileptic Treatment: Mouth Care

There is a risk of bleeding and gingival hyperplasia with antiepileptic treatment. It is recommended to use a soft toothbrush, avoid mouthwashes with alcohol, and have regular dental checkups.

Specific Mouth Care

• Use a soft toothbrush
• Avoid alcohol-containing mouthwashes
• Regular dental checkups

Vitamin K and Folic Acid Supplementation

A diet rich in vitamin K and folic acid is recommended to help prevent excessive bleeding in patients undergoing antiepileptic treatment.

Risks of Injury in Antiepileptic Treatment

Patients should avoid activities that pose a physical risk. It's important to understand the effects of medications on daily life.

Antiparkinsonian Treatment Goals

The overall goal of antiparkinsonian pharmacology...

Yellow Fever Vaccination: Requirements and Procedure

Vaccination Fees

The total cost for the Yellow Fever vaccination service is $120, broken down as follows:

• Travel Consultation Fee: $50
• Yellow Fever (YF) Assessment Fee: $50
• Injection Fee: $20

Country Requirements for Yellow Fever Vaccine

The following countries often require proof of Yellow Fever vaccination for entry:

Pharmacy Workflow Steps

1. Patient checks in.
2. Fees are explained (Total: $120).
3. Consent is obtained.
4. Check Travax: Ensure the administration date is at least 10 days before the

Feeding

- Raw food in the mornings and kibble in the evenings.

Identifying Banzai and Fuji

- Fuji has white fur, Banzai has darker fur.

Approaching

- When approaching the ferrets be slow, as they might run away if you are too fast.

Handling

• Fuji likes her stretches: place thumbs beneath her forefeet and push back, when she pushes back that's how you know to stop.
• Whilst Banzai and Fuji are eating Banzai might try and run off with the food. You can spot this if he has his head over the counter on the edge of the table top. If he jumps off and runs do not panic. You will be able to find him underneath the cabinet in the living room, a lot of the time he leaves his tail hanging out, to retrieve him lightly pull on his tail until you can grab his body.

Consumers and food safety

- When buying food.

When you go grocery shopping, purchase refrigerated foods at the end of your shopping trip.

Check the use-by dates on the labels on packaged foods.

To avoid buying food that has gone bad, check that refrigerated foods are completely hard. Make sure canned goods do not have dents or bulging lids.

Go straight home so you can store all chilled and frozen foods as soon as possible to maintain the cold chain.

-When storing food.

Store refrigerated foods in the refrigerator at a maximum temperature of 4°C and store frozen foods in the freezer at a temperature of -18°C or lower.

Do not refreeze any foods that have already been frozen and thawed.

Store raw and cooked foods separately to avoid cross-contamination....

Hospital Management System: Context Level DFD

+-------------------+
|      Patient      |
+-------------------+
          |
          | Appointment / Details
          v
+--------------------------------------------+
|    (0) Hospital Management System          |
+--------------------------------------------+
          ^
          | Reports / Bills
+-------------------+
|  Doctor / Admin   |
+-------------------+
          ^
          |
+-------------------+
|  Pharmacy / Lab   |
+-------------------+

System Entities and Data Flow

This context diagram illustrates the primary interactions with the central system:

• External Entities: Patient, Doctor/Admin, Pharmacy/Lab.
• Central Process: The Hospital Management System (Process 0).
• Data Flow: Information

A bed sore, also known as a pressure ulcer or decubitus ulcer, is an area of damaged skin and tissue that develops when prolonged pressure cuts off circulation to particular parts of the body, especially over bony areas. Without enough blood flow, the affected tissue dies. Understanding the causes, prevention, and management of these injuries is crucial for patient care.

Definition of Pressure Ulcers

A bed sore is a localized injury to the skin and/or underlying tissue, usually over a bony prominence, as a result of prolonged pressure, or pressure in combination with shear.

Common Sites for Pressure Ulcer Development

• Sacrum (lower back)
• Heels
• Hips
• Elbows
• Ankles
• Back of the head
• Shoulder blades

Stages of Bed Sores (Pressure Ulcers)

1. Stage 1: Red, unbroken