Disability Evaluation — MCQs
Which of the following is a validated screening tool for alcohol use disorder?
A 39-year-old woman claims that she injured her hand at work. She states that the pain caused by her injury prevents her from working. She has no further hand problems after she receives a Rs1 Lakh workers' compensation settlement. This clinical presentation is an example of
Certain obligations on the part of a doctor who undertakes a postmortem examination are the following, EXCEPT:
The following classification is used to estimate nerve injury:
In a screening test for DM out of 1000 population, 90 were positive. When the gold standard test was applied to the entire population, 100 were found to have the disease. Assuming all 90 screening positives were confirmed as true positives by the gold standard, calculate the sensitivity.
According to the WHO, what is the minimum distance at which a person is considered blind if they cannot count fingers in daylight?
Loss of part or function is referred to as:
In a case of alleged child sexual abuse, a 12-year-old girl shows healed complete hymenal transection at 7 o'clock position reaching the base, normal anal examination, and negative biological evidence. Medical history reveals road traffic accident 6 months ago with perineal injury. Synthesize the BEST medicolegal opinion.
A forensic expert examines a 28-year-old alleged rape victim 72 hours post-incident. Vulval swab negative for spermatozoa and PSA, but high vaginal swab shows presence of sperm heads without tails. Internal examination shows old hymenal scars. Evaluate the MOST valid medicolegal conclusion.
A 22-year-old woman alleges rape. Examination shows annular hymen with no tears but notch at 3 o'clock position extending to base. PSA positive vaginal swab, no spermatozoa seen. Which interpretation is MOST appropriate?
Disability Evaluation Indian Medical PG Practice Questions and MCQs
Question 1: Which of the following is a validated screening tool for alcohol use disorder?
- A. AUDIT
- B. CAGE questionnaire
- C. SADQ
- D. All of the options (Correct Answer)
Explanation: ***CAGE questionnaire and AUDIT*** - Both **CAGE** and **AUDIT** are widely validated screening tools specifically designed for alcohol use disorder [1]. - **CAGE** is a brief 4-item tool focusing on **C**ut down, **A**nnoyed, **G**uilty, and **E**ye-opener - ideal for quick screening in clinical settings [1]. - **AUDIT** (Alcohol Use Disorders Identification Test) is a comprehensive 10-item tool assessing consumption patterns, drinking behaviors, and alcohol-related problems. - AUDIT is considered the **gold standard** for screening and can assess risk levels and severity. *Why not SADQ alone?* - **SADQ** (Severity of Alcohol Dependence Questionnaire) is primarily a **severity assessment tool**, not a screening tool. - It is a 20-item instrument used to measure the **degree of alcohol dependence** in individuals already identified with alcohol problems. - While valuable for treatment planning, SADQ is more detailed and designed for assessment rather than initial screening [1]. - However, all three tools are validated and used in alcohol use disorder evaluation - CAGE and AUDIT for screening, SADQ for severity assessment.
Question 2: A 39-year-old woman claims that she injured her hand at work. She states that the pain caused by her injury prevents her from working. She has no further hand problems after she receives a Rs1 Lakh workers' compensation settlement. This clinical presentation is an example of
- A. conversion disorder
- B. factitious disorder by proxy
- C. factitious disorder
- D. malingering (Correct Answer)
Explanation: ***Malingering*** - This scenario describes **intentional feigning** of symptoms for an **external incentive** (the workers' compensation settlement). - The rapid resolution of symptoms post-settlement is characteristic, indicating the pain was not solely due to a genuine physical injury but rather a means to achieve financial gain. *Conversion disorder* - Involves neurological symptoms (e.g., paralysis, blindness) that are **incompatible with neurological pathways** and are not intentionally produced. - There is no evidence of an external incentive; symptoms are often linked to psychological stress, but the patient genuinely believes they are suffering from the symptoms. *Factitious disorder by proxy* - This involves a caregiver (e.g., parent) **falsifying or inducing illness** in another person (e.g., child) to assume the **sick role by proxy**. - The described case involves the patient themselves presenting with symptoms, not a proxy. *Factitious disorder* - Involves **intentional production or feigning of physical or psychological symptoms** with the primary motivation being to assume the **sick role**. - Unlike malingering, there are no obvious external incentives (like financial gain); the primary gain is the psychological satisfaction of being a patient.
Question 3: Certain obligations on the part of a doctor who undertakes a postmortem examination are the following, EXCEPT:
- A. Routinely record all positive findings and important negative ones
- B. He must keep the police informed about the findings (Correct Answer)
- C. The examination should be meticulous and complete
- D. He must preserve viscera and send for toxicology examination in case of poisoning
Explanation: ***He must keep the police informed about the findings*** - This is **NOT a formal obligation** of the doctor conducting a postmortem examination. - The doctor's primary duty is to conduct a thorough, objective examination and prepare a **formal postmortem report** that is submitted to the authority who requisitioned the examination (magistrate/police as per CrPC Section 174). - While findings may eventually reach the police through the official report, there is **no obligation to informally update or keep police informed** during the examination process. - The doctor's role is that of an **independent expert witness** to the court, not an investigative assistant to the police. - Maintaining independence and objectivity requires the doctor to document findings formally rather than providing ongoing informal updates to investigating officers. *Routinely record all positive findings and important negative ones* - This IS a **fundamental obligation** for any doctor performing a postmortem examination. - Both positive findings (pathological changes, injuries) and significant negative findings (absence of expected pathology) must be documented to provide a comprehensive and accurate record. - This meticulous documentation ensures the **integrity, reliability, and legal validity** of the postmortem examination and its conclusions. *The examination should be meticulous and complete* - This IS a **professional, ethical, and legal obligation** for any doctor undertaking a postmortem examination. - A systematic and thorough examination of all body systems is essential to accurately determine the cause of death and identify all relevant findings. - Incomplete examinations can lead to **missed diagnoses and miscarriage of justice** in medico-legal cases. *He must preserve viscera and send for toxicology examination in case of poisoning* - This IS a **crucial obligation** when poisoning is suspected or cannot be ruled out based on the postmortem findings. - Relevant viscera (liver, kidney, stomach contents) and bodily fluids (blood, urine) must be preserved in appropriate containers for subsequent toxicological analysis. - This step is **essential to confirm or exclude toxicological involvement** in the death and is a standard protocol in medico-legal postmortem examinations as per established guidelines.
Question 4: The following classification is used to estimate nerve injury:
- A. Seddons classification (Correct Answer)
- B. Seddon's and Sunderland classification
- C. Sunderland classification
- D. None of the options
Explanation: ***Seddons classification*** - The **Seddons classification** is a well-established system for classifying the severity of nerve injuries. - It categorizes nerve injuries into three main types: **neurapraxia**, **axonotmesis**, and **neurotmesis**. *Seddon's and Sunderland classification* - While both **Seddon's** and **Sunderland's classifications** are used for nerve injury, the question asks for "the following classification" implying a single, primary classification. - **Sunderland's classification** is a more detailed, five-grade system, often considered an extension of Seddon's. *Sunderland classification* - The **Sunderland classification** is a valid and widely used system, but it is not the *only* classification and the question implies a single, specific classification in its phrasing. - Sunderland's system provides more granular detail on the extent of nerve damage compared to Seddon's, with five degrees of injury. *None of the options* - This option is incorrect because the **Seddons classification** is indeed a valid and frequently used method for estimating nerve injury. - There are established classification systems for nerve injuries.
Question 5: In a screening test for DM out of 1000 population, 90 were positive. When the gold standard test was applied to the entire population, 100 were found to have the disease. Assuming all 90 screening positives were confirmed as true positives by the gold standard, calculate the sensitivity.
- A. All positives identified by the test assumed as true positives (100%)
- B. True positives divided by total actual positives (90%) (Correct Answer)
- C. Underestimated true positives divided by total actual positives (80%)
- D. Total positives identified by the test divided by total actual positives (90%)
Explanation: ***True positives divided by total actual positives (90%)*** - **Sensitivity** is the proportion of true positives correctly identified by a screening test among all individuals who actually have the disease. It is calculated by (Number of True Positives) / (Total Number of Diseased Individuals). - In this case, 90 people screened positive and were confirmed as **true positives**. The total number of people with the disease (actual positives) is 100. So, sensitivity = 90/100 = **90%**. *Total positives identified by the test divided by total actual positives (90%)* - While this option states the correct percentage (90%), the phrasing "total positives identified by the test" is misleading terminology. In screening test evaluation, this could be confused with all test positives (which would include false positives if they existed). - The correct terminology is "true positives" divided by "total actual positives," not "total positives identified by the test." The distinction is important: true positives are confirmed cases, while test positives might include false positives. *All positives identified by the test assumed as true positives (100%)* - This option incorrectly assumes that because all 90 screening positives were confirmed as true positives, the sensitivity must be 100%. However, sensitivity measures how many of ALL diseased individuals were caught, not just those who screened positive. - There were 100 actual diseased individuals, and only 90 were identified by the screening test; therefore, the sensitivity cannot be 100%. The test missed 10 diseased individuals (false negatives). *Underestimated true positives divided by total actual positives (80%)* - This option presents an arbitrary percentage that does not reflect the given data. There is no information to suggest that the true positives were underestimated or that the calculation would result in 80%. - The actual number of true positives (90) and actual positives (100) directly leads to a sensitivity calculation of 90%, not 80%.
Question 6: According to the WHO, what is the minimum distance at which a person is considered blind if they cannot count fingers in daylight?
- A. 1 metre
- B. 2 metres
- C. 3 metres (Correct Answer)
- D. 4 metres
Explanation: ***3 metres*** - The **WHO definition of blindness** includes the inability to count fingers at 3 meters (or 10 feet) in daylight. - This serves as a practical measure for severe **visual impairment** when standard acuity charts are unavailable. *1 metre* - While a significant visual impairment, the inability to count fingers at 1 meter is typically categorized as **severe visual impairment**, not outright blindness, by the WHO. - Severe visual impairment has a slightly less stringent threshold than the definition of blindness. *2 metres* - The inability to count fingers at 2 meters also falls under the category of **severe visual impairment**, according to WHO criteria. - It indicates significant vision loss but is not the specific distance used to define blindness when counting fingers. *4 metres* - A person unable to count fingers at 4 meters would certainly meet the criteria for **blindness**, as this is a greater distance than the 3-meter threshold. - However, the 3-meter mark is the **minimum specified distance** for this particular criterion of blindness by the WHO.
Question 7: Loss of part or function is referred to as:
- A. Impairment (Correct Answer)
- B. Disability
- C. Disease
- D. Handicap
Explanation: ***Impairment*** - An **impairment** refers to the **loss of part or function** of the body, whether physical, sensory, or mental. - It describes the direct functional limitation in a body structure or mental function, such as hearing loss or a missing limb. *Disability* - A **disability** is the **restriction or lack of ability** to perform an activity in the manner or within the range considered normal for a human being. - It describes the impact an impairment has on a person's ability to perform tasks, such as difficulty walking due to a foot impairment. *Disease* - A **disease** is a **pathological condition** that affects the body or mind, characterized by a set of signs and symptoms. - It refers to the underlying medical condition causing the impairment, rather than the loss of function itself. *Handicap* - A **handicap** is a **social disadvantage** that results from an impairment or disability, limiting or preventing the fulfillment of a role. - It reflects the societal barriers and environmental factors that disable an individual, rather than the direct body function loss.
Question 8: In a case of alleged child sexual abuse, a 12-year-old girl shows healed complete hymenal transection at 7 o'clock position reaching the base, normal anal examination, and negative biological evidence. Medical history reveals road traffic accident 6 months ago with perineal injury. Synthesize the BEST medicolegal opinion.
- A. Complete transection confirms penetrative sexual abuse regardless of history
- B. Normal anal examination excludes any form of sexual abuse
- C. RTA-related straddle injury consistent with complete tear, sexual abuse not proven (Correct Answer)
- D. Recent sexual abuse with complete healing, biological evidence degraded
Explanation: ***RTA-related straddle injury consistent with complete tear, sexual abuse not proven*** - A **complete hymenal transection** reaching the base can be caused by accidental **straddle injuries** sustained during a **road traffic accident (RTA)**, creating a diagnostic dilemma. - In the absence of **biological evidence** and considering the documented history of **perineal injury**, the findings are consistent with past trauma and do not definitively prove **sexual abuse**. *Complete transection confirms penetrative sexual abuse regardless of history* - While a **complete tear** to the base is a strong indicator of **penetration**, it is not pathognomonic for abuse when a significant **accidental history** is present. - Medicolegal opinions must integrate the **clinical history** of prior accidents to avoid false accusations when physical findings have alternative causes. *Normal anal examination excludes any form of sexual abuse* - A normal **perianal and anal examination** only suggests a lack of trauma to that specific area; it does not rule out **vaginal penetration** or other forms of abuse. - Many cases of documented **child sexual abuse** present with no physical findings or localized trauma to only one anatomical site. *Recent sexual abuse with complete healing, biological evidence degraded* - **Complete healing** of a full hymenal transection typically takes longer than the "recent" period, and the 6-month-old **RTA history** is a more chronologically plausible cause. - Negative **biological evidence** is common in older injuries, but the presence of a known **extragenital trauma** provides a more likely explanation for the **healed scar** than unspecified recent abuse.
Question 9: A forensic expert examines a 28-year-old alleged rape victim 72 hours post-incident. Vulval swab negative for spermatozoa and PSA, but high vaginal swab shows presence of sperm heads without tails. Internal examination shows old hymenal scars. Evaluate the MOST valid medicolegal conclusion.
- A. Contaminated sample, repeat examination required
- B. Sexual assault occurred approximately 48-72 hours ago, victim not virgin (Correct Answer)
- C. No evidence of recent sexual intercourse, false allegation
- D. Recent consensual intercourse, assault claim invalid
Explanation: ***Sexual assault occurred approximately 48-72 hours ago, victim not virgin*** - Spermatozoa lose their **tails** after 24 hours in the vagina, and **heads** can persist in the **high vaginal swab** for up to 3 to 4 days (72-96 hours). - The presence of **old hymenal scars** indicates the victim is not a virgin, and the absence of **PSA (Prostate Specific Antigen)** is expected as it typically disappears within 24-48 hours. *Contaminated sample, repeat examination required* - The findings are consistent with the **natural degradation timeline** of biological evidence and do not suggest contamination. - Repeating the examination after 72 hours would likely yield even less evidence due to **phagocytosis** and drainage of vaginal contents. *No evidence of recent sexual intercourse, false allegation* - The presence of **sperm heads** in the high vaginal swab constitutes definitive medical evidence of recent **seminal deposition** or intercourse. - A negative **vulval swab** and negative **PSA** only indicate that the event was not immediate (less than 24 hours), not that it didn't happen. *Recent consensual intercourse, assault claim invalid* - Forensic examination can confirm **recent intercourse** through biological evidence but cannot medically distinguish between **consensual** and **non-consensual** acts. - The legal determination of **assault** depends on the lack of consent and other circumstantial evidence, not merely the presence or absence of sperm.
Question 10: A 22-year-old woman alleges rape. Examination shows annular hymen with no tears but notch at 3 o'clock position extending to base. PSA positive vaginal swab, no spermatozoa seen. Which interpretation is MOST appropriate?
- A. Recent intercourse but virginity status indeterminate
- B. Recent sexual intercourse confirmed, virgin before assault
- C. Old healed tear, assault claim contradicted
- D. Congenital notch, recent intercourse confirmed (Correct Answer)
Explanation: ***Congenital notch, recent intercourse confirmed*** - A **notch** at the 3 o'clock or 9 o'clock position in the hymen is typically considered a **congenital variation** resulting from embryological fusion rather than a traumatic tear. - The presence of **Prostate Specific Antigen (PSA)** on the vaginal swab is a highly specific marker for semen, confirming **recent sexual intercourse** even in the absence of spermatozoa. *Recent intercourse but virginity status indeterminate* - While PSA confirms recent intercourse, the description of a notch at 3 o'clock helps distinguish between **congenital** and traumatic findings, allowing for a more specific interpretation than "indeterminate." - Traumatic hymeneal tears in sexual assault usually occur in the **posterior segment** (between 4 and 8 o’clock), which are missing here. *Recent sexual intercourse confirmed, virgin before assault* - The absence of recent tears does not prove she was a **virgin** prior to the assault, as the hymen can be elastic or have a **congenital notch** independent of previous activity. - Medical examination can confirm signs of trauma or semen, but it cannot definitively certify the legal status of **virginity**. *Old healed tear, assault claim contradicted* - **Congenital notches** are frequently misidentified as old healed tears; however, tears typically heal by forming **cicatrix** or scar tissue and are rarely located at the 3 o'clock position. - The presence of PSA confirms recent sexual contact, which supports the physical possibility of the **assault claim** rather than contradicting it.
Want unlimited practice?
Get full access to all questions, explanations, and performance tracking.
Start For Free