Occupational Health Practice Questions

Q: What is the recommended frequency for replacement and periodic examination in the radiation industry?

Every 2 months. **Explanation:** In the field of Occupational Health, workers exposed to ionizing radiation are subject to stringent medical surveillance due to the cumulative and potentially stochastic effects of radiation (such as leukemia and genetic mutations). According to the **Factories Act** and standard occupational health guidelines in India, workers in the radiation industry must undergo a periodic medical examination **every 2 months**. The primary objective of this frequent monitoring is the early detection of hematological changes (e.g., leucopenia or anemia) and skin lesions, which are early indicators of overexposure. **Analysis of Options:** * **Option B (Every 2 months):** This is the statutory requirement for the radiation industry. It ensures that any physiological deviations are caught before they progress to irreversible damage. * **Option A (Every month):** While some high-risk chemical industries (like lead or benzene) may require monthly clinical monitoring, the standard regulatory interval for radiation is 2-monthly. * **Option C & D (6 months/1 year):** These intervals are too long for radiation workers. An annual check-up (Option D) is the standard for general industrial workers not exposed to specific hazardous substances, but it is insufficient for high-risk radiation environments. **High-Yield Clinical Pearls for NEET-PG:** * **TLD Badges:** Thermoluminescent Dosimeter (TLD) badges are used to monitor external radiation doses and are typically sent for analysis every **3 months**. * **Maximum Permissible Dose:** For an occupational worker, the limit is **20 mSv per year**, averaged over five years (with no more than 50 mSv in any single year). * **Pre-placement Examination:** This is mandatory to establish a baseline health status, especially for blood counts and skin integrity, before the worker begins radiation-related tasks.

Q: Sickness benefit under ESI is available for a period of how many days?

91 days. **Explanation:** Under the **Employees' State Insurance (ESI) Act, 1948**, Sickness Benefit is a crucial cash benefit provided to insured workers during periods of certified sickness requiring medical treatment and abstention from work. **1. Why 91 days is correct:** The standard Sickness Benefit is payable for a maximum period of **91 days** in any two consecutive benefit periods (which roughly translates to one year). To qualify, the insured person must have contributed for at least 78 days in the corresponding 6-month contribution period. The benefit is paid at approximately **70% of the average daily wages**. **2. Why other options are incorrect:** * **30 days:** This is not a standard duration for any primary ESI cash benefit. * **46 days:** This was the historical limit for sickness benefits when the ESI Act was first implemented; however, it was increased to 56 days and subsequently to the current 91 days. * **57 days:** This does not correspond to the statutory limits defined under the ESI Act for standard sickness. **3. High-Yield Clinical Pearls for NEET-PG:** * **Extended Sickness Benefit:** For 34 chronic/long-term diseases (e.g., TB, Cancer, Leprosy, Mental illness), the benefit can be extended up to **2 years** (730 days) at a higher rate (80% of wages). * **Enhanced Sickness Benefit:** Provided for undergoing sterilization (Vasectomy: 7 days; Tubectomy: 14 days) at **100% of wages**. * **Maternity Benefit:** Payable for **26 weeks** (182 days), extendable by one month on medical grounds. * **Funeral Expenses:** A lump sum of up to **₹15,000** is paid to the eldest surviving member. * **ESI Coverage:** Applicable to non-seasonal factories/establishments employing **10 or more persons** (wage limit: ≤₹21,000/month; ≤₹25,000 for persons with disabilities).

Q: In which year was the ESI Act enacted?

1948. **Explanation:** The **Employees' State Insurance (ESI) Act** was enacted in **1948**. It is a landmark piece of social security legislation in India designed to provide protection to workers in the organized sector against contingencies such as sickness, maternity, disablement, and death due to employment injury. It was the first major legislation on social security in independent India. **Analysis of Options:** * **1948 (Correct):** The ESI Act was passed by the Parliament in 1948. It is important to note that while the Act was passed in 1948, the scheme was actually launched later in 1952 (in Kanpur and Delhi). * **1946 (Incorrect):** This year is associated with the **Bhore Committee Report**, which laid the foundation for the modern health system in India, but predates the ESI Act. * **1952 (Incorrect):** This is the year the ESI Scheme was **implemented/launched**. Students often confuse the year of enactment (1948) with the year of implementation (1952). * **1954 (Incorrect):** This year is associated with the launch of the National Leprosy Control Programme, not the ESI Act. **High-Yield Clinical Pearls for NEET-PG:** * **Financing:** The ESI scheme is self-financing. Current contribution rates (as of 2019) are **3.25% by the employer** and **0.75% by the employee** (Total 4%). * **Eligibility:** It applies to factories and establishments employing **10 or more persons**. The current wage ceiling for coverage is **₹21,000 per month** (₹25,000 for persons with disabilities). * **Benefits:** Includes Medical, Sickness, Maternity, Disablement, Dependents', and Funeral expenses. Medical benefit is the only benefit provided in kind; others are cash benefits. * **Adjudication:** Disputes are settled by **ESI Courts**, not civil courts.

Q: Malt workers lung is associated with which of the following?

Aspergillus clavatus. **Explanation:** **Malt Worker’s Lung** is a type of **Hypersensitivity Pneumonitis (Extrinsic Allergic Alveolitis)**. It occurs in individuals working in breweries or malt houses who inhale spores from contaminated barley. 1. **Why Option A is correct:** The specific causative agent for Malt Worker’s Lung is **Aspergillus clavatus**. This fungus thrives on germinating barley (malt) during the malting process. When workers turn the barley, the spores become airborne, leading to an immune-mediated inflammatory response in the alveoli of sensitized individuals. 2. **Why other options are incorrect:** * **Aspergillus fumigatus (B):** While a common cause of Allergic Bronchopulmonary Aspergillosis (ABPA) and Aspergillomas, it is not the primary agent associated with Malt Worker’s Lung. * **Micropolyspora faeni (C):** This is the classic causative agent for **Farmer’s Lung**, resulting from exposure to moldy hay. * **Actinomyces israeli (D):** This is a commensal bacterium that causes Actinomycosis (characterized by "sulfur granules"); it is not an airborne fungal spore associated with hypersensitivity pneumonitis. **High-Yield Clinical Pearls for NEET-PG:** * **Farmer’s Lung:** *Micropolyspora faeni* / *Saccharopolyspora rectivirgula* (Moldy hay). * **Bagassosis:** *Thermoactinomyces sacchari* (Moldy sugar cane residue). * **Byssinosis:** Cotton dust (Monday Morning Fever). * **Bird Fancier’s Lung:** Proteins in bird droppings/feathers. * **Key Pathology:** Hypersensitivity Pneumonitis involves a **Type III (Immune complex)** and **Type IV (Delayed)** hypersensitivity reaction, often showing non-caseating granulomas on biopsy.

Q: Traditionally, scrotal carcinoma is most strongly associated with which of the following occupations?

Chimney sweeps. **Explanation:** **1. Why Chimney Sweeps is Correct:** Scrotal carcinoma (Squamous Cell Carcinoma) is historically significant as the first recognized occupational cancer. In 1775, **Sir Percivall Pott** identified a direct link between the disease and **Chimney Sweeps**. The underlying mechanism is prolonged exposure to **soot**, which contains high concentrations of **Polycyclic Aromatic Hydrocarbons (PAHs)**, specifically benzopyrene. The soot would accumulate in the rugae of the scrotal skin due to poor hygiene and friction, leading to chronic irritation and malignant transformation. **2. Analysis of Incorrect Options:** * **Mule Spinners:** While mule spinners (cotton textile workers) also faced a risk of scrotal cancer due to exposure to **mineral oils** used to lubricate spinning machines, the "traditional" and most classic association taught in medical history and exams is with chimney sweeps. * **Coal Workers:** These workers are primarily at risk for **Pneumoconiosis** (Anthracosis) and chronic obstructive pulmonary diseases, rather than scrotal malignancy. * **Wood Workers:** Exposure to wood dust is strongly associated with **Adenocarcinoma of the Nasal Cavity and Ethmoid Sinuses**, not scrotal cancer. **3. High-Yield Clinical Pearls for NEET-PG:** * **First Occupational Cancer:** Scrotal Cancer (Chimney Sweeps). * **First Occupational Physician:** Bernardino Ramazzini (The "Father of Occupational Medicine"). * **Carcinogen involved:** Polycyclic Aromatic Hydrocarbons (PAHs). * **Other Scrotal Cancer Associations:** Exposure to shale oil, lubricating oils, and tar. * **Prevention:** The most effective preventive measure historically was regular bathing and improved personal hygiene to remove the carcinogen from the skin.

Q: The Factories Act prohibits the employment of a person below what age?

14 years. **Explanation:** The **Factories Act, 1948** is a crucial piece of social legislation in India designed to regulate working conditions and ensure the safety and health of workers. Under this Act, the employment of a child below the age of **14 years** is strictly prohibited in any factory. This aligns with Article 24 of the Indian Constitution, which forbids the employment of children in hazardous environments to prevent physical and developmental exploitation. **Analysis of Options:** * **10 years (Option A):** This is incorrect. No labor laws in India permit employment at this age; it would violate basic child rights and compulsory education acts. * **14 years (Option B - Correct):** According to the Act, a "Child" is defined as someone who has not completed 14 years of age. Their employment is prohibited. * **18 years (Option C):** This is the age of majority. While the Act has specific rules for "Adolescents" (15–18 years), they are permitted to work provided they have a certificate of fitness from a certifying surgeon. * **21 years (Option D):** This is not a threshold for entry into the workforce under the Factories Act. **High-Yield Facts for NEET-PG:** * **Adolescent:** A person who has completed 15 years but not 18 years. They can work between 6 AM and 7 PM only. * **Young Person:** A term used collectively for both children and adolescents. * **Certifying Surgeon:** A qualified medical practitioner appointed by the State Government to examine and certify the fitness of young persons and those in hazardous occupations. * **Working Hours for Children/Adolescents:** If permitted, they cannot work for more than **4.5 hours** a day and are prohibited from working at night.

Q: A factory worker sustained burns covering 25% of his body while on duty. He later developed infections and complications related to the injury. Under the ESI Act, which of the following benefits is he eligible for?

Temporary Disablement Benefit. ***Temporary Disablement Benefit*** - Burns sustained **while on duty** constitute an **employment injury** under the ESI Act, 1948, not a sickness or disease. - For employment injuries causing **temporary incapacity** for work, the worker is entitled to **Temporary Disablement Benefit (TDB)** at the rate of **90% of wages** for the entire period of certified incapacity. - TDB is payable from **day one** of the injury and continues as long as the temporary disablement lasts (subject to medical certification). - In this case, 25% burns with infections and complications would result in prolonged temporary incapacity, making TDB the appropriate benefit. *Extended Sickness Benefit* - ESB is provided only for **specified long-term diseases** listed under Section 55 of the ESI Act (e.g., tuberculosis, leprosy, chronic renal failure, mental illness). - It is **NOT applicable to employment injuries** like burns, which fall under separate disablement benefit provisions. - ESB is payable for up to **2 years** (309 days in any consecutive 2 benefit periods) after exhausting standard Sickness Benefit. *Sickness Benefit* - Standard Sickness Benefit applies to **certified sickness (disease)**, not employment injuries. - It provides cash compensation at 70% of wages for up to **91 days** in a benefit period for temporary incapacity due to non-occupational illness. - Since burns were sustained on duty, this is an employment injury, not sickness. *Dependants' Benefit* - This is a **periodic payment** to family members/dependents when an insured person **dies** due to an employment injury or occupational disease. - It is not applicable when the worker survives and is recovering from injuries.

Q: A chronic smoker who worked in a cement factory for the past 20 years developed mesothelioma. This association is most likely due to?

Asbestosis. ***Asbestosis*** - **Mesothelioma**, a malignant tumor of the pleura, is almost exclusively caused by occupational exposure to **asbestos fibers**. Cement factory work is a well-known source of this exposure. - The combination of smoking and asbestos exposure has a synergistic effect, massively increasing the risk for **bronchogenic carcinoma**, but asbestos alone is the primary risk factor for **mesothelioma**. *Bagassosis* - This is a type of **hypersensitivity pneumonitis** caused by inhaling dust from moldy **sugarcane** residue (bagasse). - It is an allergic inflammatory condition and is not associated with the development of **mesothelioma**. *Silicosis* - Caused by the inhalation of **silica dust**, common in mining and sandblasting, it classically affects the **upper lobes** of the lungs. - While it increases the risk for **tuberculosis** and lung cancer, it is not a recognized cause of **mesothelioma**. *Coal worker pneumoconiosis* - Also known as **"black lung disease"**, this condition is caused by the chronic inhalation of **coal dust**. - It is characterized by **coal macules** in the lungs and is not associated with an increased risk of **mesothelioma**.

Question 1

What is the recommended frequency for replacement and periodic examination in the radiation industry?

Accepted Answer

Every 2 months

Answer

Every month

Answer

Every 6 months

Answer

Every year

Question 2

Sickness benefit under ESI is available for a period of how many days?

Accepted Answer

91 days

Answer

30 days

Answer

46 days

Answer

57 days

Question 3

In which year was the ESI Act enacted?

Accepted Answer

1948

Answer

1946

Answer

1952

Answer

1954

Question 4

Malt workers lung is associated with which of the following?

Accepted Answer

Aspergillus clavatus

Answer

Aspergillus fumigatus

Answer

Micropolyspora faeni

Answer

Actinomyces israeli

Question 5

Traditionally, scrotal carcinoma is most strongly associated with which of the following occupations?

Accepted Answer

Chimney sweeps

Answer

Mule spinners

Answer

Coal workers

Answer

Wood workers

Question 6

The Factories Act prohibits the employment of a person below what age?

Accepted Answer

14 years

Answer

10 years

Answer

18 years

Answer

21 years

Question 7

What is true regarding byssinosis?

Accepted Answer

Dyspnea resolves after cessation of exposure

Answer

Similar to chronic bronchitis and emphysema

Answer

Present as mediastinal fibrosis

Answer

Eosinophils are prominent in BAL

Question 8

Exposure to noise above what level causes permanent loss of hearing?

Accepted Answer

160 dB

Answer

85 dB

Answer

90 dB

Answer

100 dB

Question 9

A factory worker sustained burns covering 25% of his body while on duty. He later developed infections and complications related to the injury. Under the ESI Act, which of the following benefits is he eligible for?

Accepted Answer

Temporary Disablement Benefit

Answer

Extended Sickness Benefit

Answer

Sickness Benefit

Answer

Dependants' Benefit

Question 10

A chronic smoker who worked in a cement factory for the past 20 years developed mesothelioma. This association is most likely due to?

Accepted Answer

Asbestosis

Answer

Silicosis

Answer

Coal worker pneumoconiosis

Answer

Bagassosis

Occupational Health — MCQs

Occupational Health — MCQs

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