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

Acoustic Environment: Managing Workplace Noise

Key Concepts of Workplace Noise

• Noise is a particularly annoying and unpleasant sound that can be harmful to health.
• Sound can be defined as a set of mechanical waves transmitted through a medium.
• Auditory capacity is the processing of sound into nerve signals that are interpreted by the brain.

Characteristics of Sound and Noise

• Frequency: The number of pressure variations of a sound wave per second. It characterizes the tone we perceive. The human ear can typically perceive 20 - 20,000 Hz, but the most common range for speech is 500 - 3,000 Hz.
• Intensity (Sound Pressure Level): The sound pressure capable of being perceived by the human ear. Levels above 120 dB can cause severe pain; prolonged exposure

Syphilis

Caused by: The spirochete bacterium Treponema pallidum.

Signs and Symptoms

• Primary Stage

  Classically presents with a single chancre (firm, painless, non-itchy skin ulceration) that forms approximately 21 days after exposure. These ulcers are usually on the penis, in the vagina, around the anus, and in the mouth. The chancre disappears within 4 to 8 weeks without medication.

• Secondary Stage

  Diffuse rash which frequently involves the palms of the hands and soles of the feet. May include latent syphilis with few to no symptoms.

• Tertiary Stage

  Begins after primary and secondary symptoms resolve. Involves neurological or cardiac symptoms. Can lead to difficulties coordinating muscle movements, paralysis, gradual blindness, and death.

Congenital

Maintaining Professional Boundaries in Nursing

The line between not involving emotions, beyond what any person may have, is linked to the performance of the profession. If it were to involve emotions that impede effective professional work, this would be detrimental to both the nurse and the patient. The line between providing good care and being a good professional is very narrow. Some people tend to misinterpret certain situations during their care; that is the limit, and nursing professionals need to know and make clear what their role is.

The Role of Knowledge and Professionalism

Knowledge makes a difference for the professional staff of nurses, as a whole, in their job. Although the patient may not be aware that emotions must be separated... Continue reading "Professional Boundaries in Nursing Care" »

Back Pain Mechanics and Symptoms

Back pain often occurs upon movement, resulting from a shift in the core of the spine. Cracks in the fibrous ring surrounding the core allow it to move into these fissures, causing sharp pain because nerve endings reside in the ring. This movement can trigger a reflex contraction of the muscles, which blocks the lumbar spine.

Low Back Pain Treatment

Treatment for low back pain is managed by a doctor. In the acute phase, rest is crucial to avoid pain aggravation. Once the acute phase passes, maintaining an exercise program is desirable for prevention, helping to sustain the health status of the joint and muscles.

Aggravating Factors

Several factors can worsen back pain:

• The natural aging of the intervertebral disc

Main Obligations of Employers and Employees

The company must register with Social Security (SS) before starting activity (Model TA6). It must formalize the coverage of occupational risks with the SS or a mutual accident insurance company. It must enlist workers, assigning each a unique SS number. Any administrative act, such as communicating the cessation of work or a change of activity, should be reported to the SS within six calendar days.

Protective Action

Protective action consists of granting benefits, a set of economic measures that may be contributory or non-contributory.

• Contributory: Directed to workers and close relatives who meet the minimum contribution period.
• Non-Contributory: For beneficiaries who lack adequate resources and have

If I could choose a place to live, it would be in El Puertito de Güímar. It is not a big town, with few inhabitants, although in recent years the population has increased. I love watching the dawn as the sun reflects in the water of the beach. I enjoy strolling along the avenue with my bike and breathing the fresh air with the smell of the sea.

I can go to the beach or the pool to bathe without the worry of searching for parking. Once you park your car, you forget everything because you can move from one side to another of the town by walking, biking, or skating. You can buy groceries in supermarkets or small shops. There is also a pharmacy, a bookstore, a bakery, and several restaurants.

But what I like most is when night comes. I like to... Continue reading "Tranquil Living in El Puertito de Güímar: A Coastal Paradise" »

Causative Agent

Malaria in humans is caused by four species of the protozoan parasite Plasmodium: P. falciparum, P. vivax, P. ovale, and P. malariae. Among these, P. falciparum is the most infectious and lethal.

Vector

The primary vector for malaria is the female Anopheles mosquito.

Description

Malaria is the most significant tropical parasitic disease globally, causing more deaths than tuberculosis. It has had a devastating impact on many developing countries, particularly in Africa, resulting in numerous fatalities, high medical costs, and significant loss of workdays.

Symptoms

• Attacks of fever
• Anemia
• Chills
• Joint pain
• Headaches

In cerebral malaria, infected red blood cells obstruct brain blood vessels, potentially damaging vital organs and often leading... Continue reading "Malaria: Causes, Symptoms, Treatment, and Prevention" »

Management of the Prevention of Risks in the Enterprise

Management has changed throughout history with the changes in the ways of understanding work and has influenced such important factors as:

• The economic cost of damage and injury accidents.
• The industrial action of the union movement.

Remember that the management of risk prevention should be characterized as scientific, interdisciplinary, comprehensive, integrated, and participatory. The obligation of any manager is to manage resources, both material and human, for economic and social benefits, so they generate satisfactory working conditions.

Methods to Assess Occupational Risks

These methods allow to assess and rank their degree of danger, to facilitate its correction. Some methods, such as... Continue reading "Occupational Risk Prevention and Management in the Workplace" »

Water Safety: Accident Prevention

Speaking about the prevention of water rescue, one must refer to actions that are in place to prevent the occurrence of accidents. Fortunately, these actions are much more common than lifesaving.

Causes of Aquatic Accidents

In general, accidents can be attributed to:

• Access to risk.
• Ignorance, neglect, or underestimation of risk.
• Lack of resources for prevention and intervention (lifeguard, signs, information boards, etc.).
• Inability to cope with the difficulties encountered.

Principles of Aquatic Accident Prevention

Establishing an effective prevention system in a particular aquatic environment involves the proper development of the following principles:

• Identification of risks.
• Control of risks.
• Elimination of risks.

1: Rank these diseases in infectious and non-infectious diseases: measles, myocardial infarction, goiter, cancer, athlete's foot, anemia, candidiasis, AIDS, asthma, and diabetes. (1 POINT)

BOOK STUDY

2: Main microorganisms causing infectious diseases. Each of the tissues that affect it. (1 POINT)

• Bacteria causing diphtheria
• Fungus: causes of athlete's foot
• Protozoa: causes of sleeping sickness
• Viruses causing poliomyelitis

3: Modes of transmission of infectious diseases with examples. (Not tell). (1 POINT)

• For direct contact
• Of inert objects
• In the water we drink
• Through the ingestion of contaminated food
• In the air
• By animal transmitters

4: Different types of internal defenses (1 POINT)

Unspecific defense: They act against any microorganism or foreign particles.... Continue reading "Key Insights into Disease Types and Prevention" »