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

Nanotechnology: Capabilities and Potential

Nanotechnology involves the manipulation of matter on an atomic and molecular scale. It enables the design of machines and instruments capable of precisely depositing atoms and molecules, leading to materials engineered for specific functions and behaviors in particular situations.

Key Applications of Nanotechnology

Nanotechnology in Electronics: LEDs

• LEDs (Light-Emitting Diodes): Semiconductor devices made with crystals like indium gallium.
• Energy Efficiency: Replace traditional incandescent bulbs. They do not generate significant heat energy, ensuring nearly all invested energy is converted into light, leading to high efficiency.
• Widespread Use: Found in traffic lights, mobile phone screens, and various

English 3

I. Routines and Temporary Events

Exercises:

• a) I usually go to the gym twice a week.
• b) This month, I am eating a lot of snacks.
• c) I generally eat healthy food.
• d) I am doing karate right now.

II. Practice

• a) How do you cope with stress?
  Well, I am taking a course in aromatherapy right now, and I am enjoying it. But everybody in my family is pretty relaxed. We don't get stressed very often.
• b) What kind of exercise do you usually do?
  I like swimming. My wife and I usually go to the pool every day in the summer. Right now it's cold, so I am not swimming at all. But my wife goes every day, even when it's cold.
• c) Are you eating a lot of fast food these days?
  Well, I love it, but right now I am trying to eat a balanced diet. It's hard because my

Steps to Make a Decision

1. Sensation: Reconnaissance of dissatisfaction
2. Decision to change: To bring in the vacuum or Moonrace
3. Implementation: To implement the decision

Steps for Making a Decision

1. Identify the problem
2. Acknowledge the problem
3. Set parameters
4. Consider alternatives
5. Make the decision
6. Evaluate the results

Understanding Cancer

Cancer is a set of diseases in which the body produces an excess of malignant cells (known as carcinogens, or cancer).

Benign vs. Malignant Tumors

A benign tumor or malignancy is an alteration of cells that causes uncontrolled growth of these. Malignant tumors are cancerous. Cancer cells can invade and damage tissues and organs near the tumor.

Cancer Classification

• Stage 0 or Carcinoma in Situ: The cancer is in its initial stage,

A

• Aloa: A poem, shortly.
• Altruistic: Trying the good of others without expecting profit.
• Allude: Mention.
• Arancel: Official rate.
• Argue: To dispute, to debate.
• Aria: Musical composition.
• Arrogant: Proud, graceful, brave.
• Augustus: Having respect for something majestic.
• Augur: Prophet of negative events.

B

• Banal: Trivial, vulgar.
• Buero: Pointless.

C

• Callow: Immature.
• Caustic: Aggressive, trenchant.
• Celibate: Unmarried.
• Choleric: Easily carried away by anger.
• Customary: The usual.

D

• Diaphanous: Transparent.
• Diatribe: Speech against someone.
• Dim: Resign.
• Discourteous: Disagreeable.
• Discolo: Conflictive.

E

• Egis: Protection.
• Emplaster: Place a layer of plaster on the wall.
• Epitome: Summary, outline.
• Equity: Equality.
• Eremite: Hermit.
• Execrate: To damn.

F

• Famished: Hungry.
• Feeble: