Description:The flesh of fatty fish (such as salmon, tuna, and mackerel) and fish liver oils are among the best sources. Small amount of vitamin D are found in beef liver, cheese, and egg yolks. Dietary sources of vitamin D is habitual liver oil: 500-10000 µg/100 gm.

Description:Niacin deficiency results in pellagra. It is characterized by 3D’s diarrhea, dermatitis, and dementia.

Description:Mass prophylaxis is a public health strategy that involves giving preventive treatment to a large population to control or prevent the spread of a specific disease. In this case, mass prophylaxis is used for several diseases, but it is NOT used for Rabies. Rabies is typically prevented through a different approach, primarily through the administration of post-exposure prophylaxis (PEP) after a person has been bitten by an animal suspected of carrying the rabies virus. Mass prophylaxis is more commonly used for diseases like Lymphatic filariasis, Trachoma, and Malaria to reduce their transmission within communities.

Description:Macronutrients are nutrients that are required in large quantities by the body, and they include carbohydrates, proteins, and fats. In this case, proteins are considered a macronutrient because they are essential for building and repairing tissues, and they make up a significant part of our diet. The other options, vitamins, zinc, and calcium, are micronutrients because they are needed in smaller quantities by the body.

Description:These symptoms are commonly associated with pellagra, a nutritional deficiency disease caused by a lack of niacin (vitamin B3) in the diet.

Description:ICDS, which stands for Integrated Child Development Services, was launched in India on: c. 1975

Description:The administrative unit of the ICDS (Integrated Child Development Services) project in rural areas is typically the: b. Community development block These blocks are responsible for implementing and coordinating ICDS services at the local level.

Description:ICDS (Integrated Child Development Services) primarily covers various services related to child development, including nutritional supplementation, health education, and immunization. However, it does not cover formal education. So, the correct answer is: b. Formal education

Description:According to the ICDS (Integrated Child Development Services) program, children of age 6 months to 36 months should be supplemented with: a. 500 calories + 12-15 grams of proteins

Description:Anganwadi centers are an essential component of the Integrated Child Development Services (ICDS) program in India, where various health and nutrition services are provided to mothers and children.

Description:Clostridium botulinum produces botulinum toxin, which is one of the most potent toxins known to humans. If released intentionally, it can cause severe illness or death, making it a potential choice for bioterrorism.

Description:Sodium hypochlorite is effective in deactivating many pathogens and is often used in healthcare settings to disinfect surfaces contaminated with blood or other potentially infectious materials.

Description:Byssinosis is an occupational lung disease often found in workers who are exposed to certain types of dust, such as cotton dust. It earned the nickname "Monday morning fever" because symptoms tend to be more pronounced at the beginning of the workweek after a break over the weekend.

Description:Occupational health practice encompasses various aspects, including pre-employment examinations, periodical examinations of employees, and the maintenance and analysis of health records to ensure the health and well-being of workers in the workplace.

Description:Acute silicosis is characterized by the rapid formation of silicotic nodules in the lungs, leading to a severe and rapidly progressing form of pneumoconiosis (lung disease caused by the inhalation of mineral dust, in this case, silica dust). It is not related to hypersensitivity pneumonitis or pulmonary alveolar proteinosis.

Description:Nosocomial infections occur in: c. Hospitals Nosocomial infections, also known as healthcare-associated infections (HAIs), are infections that patients acquire while receiving treatment in a healthcare facility such as a hospital. These infections can occur due to various factors within the healthcare setting.

Description:Nosocomial infections are those which develop: c. After 48 hours of hospitalization Nosocomial infections, also known as healthcare-associated infections (HAIs), are infections that occur more than 48 hours after a patient is admitted to a healthcare facility, such as a hospital.

Description:Ergonomics is the science of: a. Designing the job to fit the worker Ergonomics focuses on designing tasks, jobs, products, and environments to be compatible with the abilities, limitations, and needs of people. It aims to optimize the interaction between humans and their work or living environments.

Description:Cutaneous vasoconstriction on exposure to hypothermia can result in: d. All of these Exposure to cold temperatures and the resulting vasoconstriction of blood vessels in the skin can lead to various cold-related conditions, including immersion foot, frostbite, and erythrocyanosis.

Description:Lead is widely used in a variety of industries because of its properties, including being: a. Low boiling point b. Anti-corrosive d. Mixes with other metals easily However, it is NOT used because it is non-oxidizing. Lead can oxidize, and this can lead to various environmental and health concerns, which is why it's important to use lead carefully and take measures to prevent its oxidation.

Description:During inorganic lead poisoning, the gums appear in bluish purple in color.

Description:While occupational health nurses play a crucial role in promoting worker health and well-being, preventing workplace accidents and injuries, and improving the overall health and work ability of employees, their primary focus is not on directly improving the productivity outcome of workers. Instead, their efforts indirectly contribute to improved productivity by maintaining a healthy and safe work environment.

Description:Arsenic poisoning is a significant global health issue due to its presence in contaminated water sources and food. While lead, mercury, and cadmium poisoning also occur, arsenic poisoning is more widespread in many parts of the world, particularly in regions with arsenic-contaminated groundwater.

Description:DDT is an insecticide that acts as a contact poison, meaning it kills insects upon direct contact with their bodies or surfaces treated with DDT. It is not typically classified as a CNS (Central Nervous System) poison or a stomach poison.

Description:Arc welder gets exposure to ultraviolet radiation which mainly affects eyes causing conjunctivitis and keratitis.