NEET-PG 2013 Practice Questions

Q: Datura poisoning is characterized by:

Dilated pupil. ***Dilated pupil*** - **Datura poisoning** is characterized by **anticholinergic symptoms**, including **mydriasis** (dilated pupils) due to the blockade of muscarinic receptors in the iris. - The classic mnemonic "hot as a hare, blind as a bat, dry as a bone, red as a beet, mad as a hatter" highlights the systemic effects, with "blind as a bat" specifically referring to **dilated pupils** and blurred vision. *Pinpoint pupil* - **Pinpoint pupils** (miosis) are typically associated with **opioid toxicity** or **cholinergic poisoning**, which are opposite to the effects of datura. - Datura acts as an **antimuscarinic agent**, preventing acetylcholine from constricting the pupil. *Dilated salivary gland* - **Datura poisoning** causes **dry mouth** due to the inhibition of salivary gland secretions, as it blocks muscarinic receptors responsible for glandular activity. - Therefore, a **dilated salivary gland** (implying increased activity or size) is not a characteristic feature; rather, there is a significant reduction in salivation. *Decreased temperature* - **Datura poisoning** typically leads to **hyperthermia** (increased body temperature) due to the inhibition of sweating, which impairs the body's ability to dissipate heat. - **Decreased temperature** would be an atypical finding and is more commonly seen in conditions like hypothermia or specific intoxications that depress thermoregulation.

Q: An incised-looking laceration is seen in all except:

Chest. ***Chest*** - The skin and subcutaneous tissue over the chest are generally **pliable and abundant**, allowing tissues to stretch and tear irregularly rather than creating a clean, incised-looking wound. - Due to the **underlying musculature and lack of prominent bony structures** just beneath the skin, impacts tend to cause contusions, irregular lacerations, or deeper tissue damage rather than sharp, distinct cuts. *Shin* - The shin has minimal subcutaneous tissue and skin that is **tightly bound over the tibia**, a prominent bony structure. - Impacts here often cause the skin to be compressed against the bone, leading to a **clean, sharp tear that mimics an incised wound**. *Zygomatic bone* - The skin over the zygomatic bone (cheekbone) is **thin and adheres closely to the underlying bone**. - Trauma to this area can result in a **linear, incised-appearing laceration** due to the skin being split against the rigid bony surface. *Iliac crest* - Similar to the shin and zygomatic bone, the iliac crest is a **superficial bony prominence with thin skin and limited subcutaneous tissue**. - A blunt force impact can cause the skin to **split cleanly over the bone**, creating an incised-looking laceration.

Q: Causing miscarriage is punishable under which IPC:

Sec 312 IPC. ***Sec 312 IPC*** - This section of the Indian Penal Code specifically deals with **causing miscarriage** and outlines the penalties for such acts. - It differentiates between miscarriage caused with or without the **woman's consent**, and also considers if the act is performed in **good faith** to save the woman's life. *Sec 320 IPC* - This section defines "grievous hurt," which includes severe injuries leading to permanent disability or life-threatening conditions. - While miscarriage can be a severe outcome, **Sec 320** focuses on the nature of the injury to the person rather than the specific act of causing miscarriage. *Sec 311 IPC* - This section pertains to **causing miscarriage of a child quick with child** without the consent of the woman and without good faith to save her life. - It carries a harsher punishment than Sec 312 because it involves a fetus that is considered more developed and near viability. *Sec 314 IPC* - This section deals with the **death caused by an act done with intent to cause miscarriage**. - It applies when a person commits an act to cause miscarriage, and as a result, the woman dies, even if the intent was not to cause her death.

Q: DNA fingerprinting can be done with all, except:

RBC. ***RBC*** - **Mature red blood cells** lack a nucleus and therefore do not contain **DNA**. - DNA fingerprinting relies on analyzing an individual's unique DNA sequence, which is not present in RBCs. *Saliva* - Saliva contains **epithelial cells** from the mouth, which have intact nuclei and thus sufficient DNA for analysis [2]. - It is a common and non-invasive source of DNA for forensic and genetic testing [2]. *WBC* - **White blood cells** (leukocytes) are nucleated cells that contain a full complement of DNA [2]. - They are an excellent source of DNA for genetic analysis, including DNA fingerprinting. *Spermatozoa* - **Sperm cells** are haploid and contain a nucleus with DNA, making them suitable for DNA fingerprinting [1]. - They are frequently used in forensic cases, particularly in sexual assault investigations [1].

Q: Medical etiquette is related to:

Courtesy observed between doctors. ***Courtesy observed between doctors*** - **Medical etiquette** refers to the code of conduct and conventional rules governing **professional courtesy and behavior between medical practitioners**. - It encompasses the proper way doctors should interact with their **professional colleagues**, including referral practices, respecting each other's patients, and maintaining professional dignity. - This is the classical and specific definition of medical etiquette as taught in forensic medicine and medical jurisprudence. *Professional guidelines for doctors* - This term is **too broad and vague** as it could encompass ethics, etiquette, legal obligations, and clinical protocols. - While etiquette is part of professional conduct, this option lacks the specificity that defines medical etiquette as **interpersonal courtesy among doctors**. *Legal obligations of doctors* - These relate to **medical jurisprudence** and include legally binding duties like maintaining confidentiality, obtaining informed consent, and following medicolegal procedures. - Legal obligations are enforced by law, whereas etiquette deals with **conventional professional courtesy**, not legal mandates. *Ethical principles guiding doctors* - **Medical ethics** encompasses broader moral principles like beneficence, non-maleficence, autonomy, and justice. - Ethics provides the philosophical and moral framework for medical practice, while etiquette is specifically about **conventional rules of professional behavior and courtesy** between doctors.

Q: Foamy liver is seen in:

Putrefaction. ***Putrefaction*** - **Foamy liver** is a characteristic post-mortem finding in **putrefaction**, the process of post-mortem decomposition of body tissues. - **Gas-forming bacteria** (especially Clostridium species) produce gases like **hydrogen sulfide, methane, and carbon dioxide** that accumulate within the liver parenchyma. - This creates multiple **gas bubbles** throughout the liver tissue, giving it a characteristic **frothy or foamy appearance** on sectioning. - This is part of the broader putrefactive changes that include gas accumulation in blood vessels (marbling), body cavities, and soft tissues. *Arsenic poisoning* - Acute arsenic poisoning causes **fatty degeneration of the liver**, congestion, and characteristic gastrointestinal findings. - Post-mortem findings include **"rice water" stools**, gastroenteritis, and hepatic congestion, but NOT the foamy liver appearance. - The liver may show fatty changes and cellular necrosis, but gas bubble formation is not a characteristic feature. *Electrocution* - **Electrocution** causes death primarily through cardiac arrest or respiratory paralysis. - Post-mortem findings include **thermal burns** at entry and exit points, Joule burns, and sometimes arborescent markings. - It does not cause foamy liver; tissue changes are related to current passage and thermal effects. *Hanging* - **Hanging** results in **asphyxial death** with characteristic findings of mechanical asphyxia. - Typical findings include **ligature mark**, petechial hemorrhages, facial congestion, and cyanosis. - Does not cause foamy liver, as gas production within hepatic tissue is not a consequence of mechanical asphyxia.

Q: Cause of death for drowning in cold water:

Inability to breathe (asphyxia). ***Inability to breathe (asphyxia)*** - Drowning fundamentally involves **inhalation of water** into the airway, which prevents gas exchange in the lungs, leading to **asphyxia**. - In cold water, the initial gasp reflex can lead to rapid aspiration of water, causing immediate **laryngospasm** and closure of the airway, resulting in inability to breathe. - Asphyxia remains the **most common mechanism** across all types of drowning, including cold water cases. *Loss of consciousness due to hypoxia* - While **hypoxia** certainly occurs in drowning due to lack of gas exchange, loss of consciousness is a *consequence* of prolonged asphyxia, not the primary cause of death. - The immediate cause of death is the inability to oxygenate the blood due to water filling the lungs or severe laryngospasm. *Cardiac arrest due to vagal inhibition* - **Vagal inhibition** (also called **hydrocution** or **immersion syndrome**) is an important mechanism specifically in **cold water drowning**. - Sudden immersion in cold water can trigger massive vagal stimulation leading to immediate cardiac arrest (often asystole) before significant water aspiration occurs. - However, this mechanism occurs in a **minority of cold water drowning cases**, while asphyxia remains the predominant cause of death overall. *Cardiac arrest due to ventricular fibrillation* - **Ventricular fibrillation** can be a terminal event in drowning, often secondary to severe hypoxia and hypothermia, but it is usually not the initial or primary cause of death. - The cessation of breathing and subsequent lack of oxygen directly lead to organ failure, including cardiac dysrhythmias, rather than ventricular fibrillation being the independent initial event.

Q: Burking includes:

Chest compression and airway obstruction. ***Chest compression and airway obstruction*** - Burking is a **homicidal method** of suffocation that involves **covering the mouth and nose** (airway obstruction) combined with **compressing the chest or abdomen** to prevent breathing. - Named after **William Burke**, this technique was used to kill victims without leaving obvious signs of violence, making deaths appear natural. *Ligature strangulation* - Involves using a **cord, rope, or similar object** around the neck to compress blood vessels and/or airway. - Leaves characteristic **ligature marks** on the neck, which burking aims to avoid by using manual compression instead. *Drowning mechanism* - Involves **submersion in liquid** causing respiratory impairment and asphyxia. - Completely different mechanism from burking, which involves **manual suffocation** on dry land without water involvement. *Hanging technique* - Hanging involves **suspension of the body by the neck**, causing death through compression of neck structures. - This is completely different from burking and leaves distinct **hanging marks** on the neck, which burking specifically avoids.

Q: All of the following are true about phobias, except:

Generalized anxiety. ***Generalized anxiety*** - Phobias are characterized by intense fear of a **specific object or situation**, not diffuse, generalized anxiety. - While phobias can lead to anxiety, it is tightly linked to the **phobic stimulus** rather than being free-floating and generalized. *Avoiding particular situation* - **Avoidance behavior** is a hallmark symptom of phobias, as individuals try to steer clear of the feared object or situation. - This avoidance helps reduce immediate anxiety but reinforces the phobia in the long term. *Fear and anxiety of specific thing* - The core feature of a phobia is an intense and **unreasonable fear or anxiety** triggered by a specific object, situation, or stimulus. - This fear is disproportionate to the actual danger posed by the feared entity. *Insight is present* - Individuals with phobias generally **recognize that their fear is excessive** or unreasonable, even if they cannot control it. - This insight distinguishes phobias from psychotic disorders where an individual may not recognize the irrationality of their fears.

Q: Kleine-Levin syndrome is associated with:

Hypersomnia. ***Hypersomnia*** - **Kleine-Levin syndrome** is characterized by recurrent episodes of **hypersomnia**, meaning excessive sleepiness. - Patients can sleep for 16 to 20 hours a day during these episodes, which may last for days or weeks. *Depression* - While mood disturbances can occur, **Kleine-Levin syndrome** primarily involves sleep and behavioral changes, not core symptoms of **depression**. - **Depression** is typically characterized by persistent low mood, anhedonia, and other symptoms, rather than episodic hypersomnia alone. *Anxiety* - **Anxiety** is not a primary symptom or defining characteristic of **Kleine-Levin syndrome**. - Patients may experience frustration or irritability due to their condition, but generalized anxiety is not a core feature. *Chronic insomnia* - **Chronic insomnia**, which is difficulty falling or staying asleep, is actually the opposite of the key symptom in **Kleine-Levin syndrome**. - The hallmark of Kleine-Levin syndrome is **excessive sleepiness (hypersomnia)**, not difficulty sleeping.

Question 1

Datura poisoning is characterized by:

Accepted Answer

Dilated pupil

Answer

Pinpoint pupil

Answer

Dilated salivary gland

Answer

Decreased temperature

Question 2

An incised-looking laceration is seen in all except:

Accepted Answer

Chest

Answer

Shin

Answer

Zygomatic bone

Answer

Iliac crest

Question 3

Causing miscarriage is punishable under which IPC:

Accepted Answer

Sec 312 IPC

Answer

Sec 320 IPC

Answer

Sec 311 IPC

Answer

Sec 314 IPC

Question 4

DNA fingerprinting can be done with all, except:

Accepted Answer

RBC

Answer

Saliva

Answer

WBC

Answer

Spermatozoa

Question 5

Medical etiquette is related to:

Accepted Answer

Courtesy observed between doctors

Answer

Legal obligations of doctors

Answer

Professional guidelines for doctors

Answer

Ethical principles guiding doctors

Question 6

Foamy liver is seen in:

Accepted Answer

Putrefaction

Answer

Arsenic poisoning

Answer

Electrocution

Answer

Hanging

Question 7

Cause of death for drowning in cold water:

Accepted Answer

Inability to breathe (asphyxia)

Answer

Loss of consciousness due to hypoxia

Answer

Cardiac arrest due to vagal inhibition

Answer

Cardiac arrest due to ventricular fibrillation

Question 8

Burking includes:

Accepted Answer

Chest compression and airway obstruction

Answer

Ligature strangulation

Answer

Drowning mechanism

Answer

Hanging technique

Question 9

All of the following are true about phobias, except:

Accepted Answer

Generalized anxiety

Answer

Avoiding particular situation

Answer

Fear and anxiety of specific thing

Answer

Insight is present

Question 10

Kleine-Levin syndrome is associated with:

Accepted Answer

Hypersomnia

Answer

Depression

Answer

Anxiety

Answer

Chronic insomnia

NEET-PG 2013

Forensic Medicine

Psychiatry