FMGE 2024 Practice Questions

Q: What is the most commonly used test for newborn hearing screening?

Otoacoustic Emissions (OAE). ***Otoacoustic Emissions (OAE)*** - **Correct Answer** - OAE is the most commonly used screening test because it is **non-invasive, rapid** (takes minutes), and can be performed while the newborn is sleeping or quiet - It assesses the function of the **cochlear outer hair cells**; the presence of an OAE indicates that hearing is likely normal up to the level of the cochlea - Recommended by WHO and AAP for universal newborn hearing screening - High sensitivity and specificity for detecting congenital hearing loss *Brainstem Evoked Response Audiometry (BERA)* - BERA, also called **Auditory Brainstem Response (ABR)**, is an objective test but is typically reserved as a **diagnostic confirmation test** following a 'refer' result on the OAE screen - It measures the electrical activity of the **auditory nerve** and brainstem in response to sound, assessing the entire auditory pathway - More time-consuming and expensive than OAE, making it less practical for universal screening *Pure Tone Audiometry (PTA)* - PTA is the **subjective gold standard test** for hearing assessment, requiring behavioral responses from the patient (raising a hand or pressing a button) - Relies on cooperation and voluntary response, making it only suitable for older children (usually **4 years and above**) and adults - Not feasible for newborn screening due to developmental limitations *Tympanometry* - Tympanometry assesses **middle ear function** (e.g., pressure, compliance, presence of fluid, or eardrum perforation) rather than the overall hearing sensitivity of the inner ear or auditory nerve - Useful for detecting **conductive hearing loss** but is not the primary screening tool for congenital sensorineural hearing loss in newborns - Does not evaluate cochlear or neural function

Q: Which structure is most commonly involved in the compression of the anterior ethmoid nerve, leading to anterior ethmoid nerve syndrome?

Middle turbinate. ***Middle turbinate*** - The **anterior ethmoid nerve** runs adjacent to the cribriform plate and descends into the nasal cavity, often close to the structures of the middle meatus. - **Hypertrophy** or severe deviation of the middle turbinate (especially a **concha bullosa**) can cause it to physically press against the lateral nasal wall, entrapping or irritating the anterior ethmoid nerve, leading to characteristic rhinogenic headache and facial pain. - The middle turbinate is the most common site of compression due to its complex anatomy and susceptibility to pneumatization (concha bullosa). *Superior turbinate* - The superior turbinate is located superiorly and posteriorly, often distant from the main compression points of the anterior ethmoid nerve which occur more anteriorly in the nasal cavity. - Contact point headaches from superior turbinate involvement are less common than middle turbinate pathology. *Inferior turbinate* - The inferior turbinate is situated lower in the nasal cavity, far inferior to the course of the anterior ethmoid nerve. - Its primary role is related to airflow regulation and drainage of the **nasolacrimal duct**, not typically neurologic entrapment of the anterior ethmoid nerve. *Nasal septum* - A deviated nasal septum is a frequent cause of **rhinogenic contact point headache**, but it usually causes irritation indirectly by pushing the middle turbinate against the lateral nasal wall. - Therefore, the **middle turbinate** is the direct structure most commonly compressing the anterior ethmoid nerve, even if septal deviation may initiate the process.

Q: During measurement of a rifled barrel weapon, the caliber depends on?

Distance between two opposite lands. ***Distance between two opposite lands***- The **caliber** of a rifled firearm refers to the nominal diameter of the gun barrel's bore, measured between the two opposing **lands**.- The land is the raised shoulder between the grooves in a rifled barrel; measuring the distance across the lands provides the smallest internal diameter of the barrel.*Distance between two opposite grooves*- This measurement corresponds to the **groove diameter**, which typically determines the required diameter of the projectile (the bullet).- While related to bullet fit, the distance across the grooves is generally greater than the caliber and is not the accepted definition of the weapon's caliber.*Number of lead pellets*- The number of lead pellets (or 'shot') is relevant to **shotguns** (which typically have smooth bores), not rifled weapons.- This measurement relates to the load of a shell and the **gauge** of a shotgun, not the caliber of a rifled barrel weapon.*Mass and velocity*- **Mass** and **velocity** are dynamic characteristics of the projectile (internal ballistics), determining the energy and momentum of the shot.- These parameters are influenced by the cartridge load but do not define the fixed mechanical dimension (**caliber**) of the barrel.

Q: During the forensic examination of semen from a rape victim, the identification of distinctive yellow needle-like crystals raises attention. What is the specific test employed to confirm the presence of semen?

Barberio test. ***Barberio test***- This test is a classical **presumptive chemical test** for semen, based on the detection of **spermine**, a polyamine found in high concentration in seminal fluid.- It involves reacting the semen extract with **picric acid**, which leads to the formation of characteristic insoluble **yellow needle-like crystals** known as **spermine picrate**.*Acid phosphatase test*- This is a highly sensitive **presumptive test** for semen which detects the high concentration of the enzyme **prostatic acid phosphatase (PAP)**.- A positive result is indicated by a **rapid color change** (often purple or reddish-purple), not the formation of specific yellow crystalline structures.*Papanicolaou smear*- The Pap smear is fundamentally a **staining technique** (cytological stain), mainly used to visualize and identify **epithelial cells** and **spermatozoa** under a microscope.- While it is used on swabs from rape victims to definitively identify the **sperm cell heads**, it is not a chemical test that yields distinctive yellow crystals.*Florence test*- The Florence test is another traditional **presumptive test** that detects **choline**, another component of semen.- It reacts with potassium iodide and acetic acid to form **choline periodide**, resulting in dark **brown, rhombic**, or needle-like crystals, which are distinct from the yellow crystals of the Barberio test.

Q: A 46-year-old male presents to the outpatient department with a history of lower back pain and painful urination. Upon investigation, he is found to have normocytic normochromic anemia and hypercalcemia. Serum protein electrophoresis reveals an M-spike in the gamma region. Which of the following tests is most appropriate to confirm the diagnosis of multiple myeloma?

Bone marrow examination. ***Bone marrow examination*** - The **definitive confirmatory test** for multiple myeloma is bone marrow examination showing **≥10% clonal plasma cells** (or presence of plasmacytoma on biopsy) [1]. - According to **International Myeloma Working Group (IMWG) criteria**, diagnosis requires: (1) clonal bone marrow plasma cells ≥10% OR biopsy-proven plasmacytoma AND (2) evidence of end-organ damage (CRAB criteria: hypercalcemia, renal insufficiency, anemia, bone lesions) [1]. - This patient has M-spike (monoclonal protein), hypercalcemia, anemia, and bone pain—bone marrow biopsy **confirms the diagnosis** by demonstrating clonal plasma cell proliferation [2]. *Liver function test* - These tests primarily evaluate **hepatic function** (e.g., ALT, AST, bilirubin) and are not diagnostic for multiple myeloma. - While some secondary abnormalities may occur (e.g., elevated **LDH** or **ALP** if bone involvement is extensive), LFTs lack the required specificity for confirming the diagnosis. *Urine albumin-to-creatinine ratio (UACR) test* - UACR is primarily used to screen for **microalbuminuria** in conditions such as **diabetic nephropathy** or hypertensive kidney disease. - The proteinuria seen in multiple myeloma is due to excretion of **kappa or lambda light chains** (Bence Jones protein), not albumin, making UACR inappropriate for MM diagnosis. *Bence Jones protein in urine* - Detection of **monoclonal free light chains** (Bence Jones protein) in urine is a **supportive finding** present in 50-60% of MM cases [1]. - While clinically significant and part of the diagnostic workup, it is **not confirmatory by itself**—bone marrow examination remains the gold standard. - Modern detection uses **urine immunofixation electrophoresis** or serum free light chain assays.

Q: A young woman presents with recurrent headaches, easy bruising, and episodes of visual blurring. Her platelet count is elevated, while her red blood cell (RBC) and white blood cell (WBC) counts are normal. What is the most likely diagnosis?

Essential Thrombocythemia. ***Essential Thrombocythemia*** - This **myeloproliferative neoplasm (MPN)** is characterized by isolated, persistent elevation of the **platelet count** (thrombocytosis) with relatively normal RBC and WBC counts, fitting the clinical picture. - Symptoms like headaches, visual blurring, and bruising are common because the functionally abnormal platelets can cause both **microvascular thrombosis** and bleeding tendencies. *Polycythemia Vera* - PV is primarily defined by **erythrocytosis** (elevated RBC count or hematocrit), which is inconsistent with this patient's normal red blood cell count. - Although PV often causes thrombocytosis, the core diagnostic feature involves a panmyelosis dominated by excessive **RBC mass** leading to hyperviscosity symptoms. *Chronic Myeloid Leukemia (CML)* - CML is hallmarked by significant **leukocytosis** (elevated WBC count, especially neutrophils and their precursors) due to the **BCR-ABL fusion gene**. - The patient's normal WBC count makes CML an unlikely diagnosis. *Acute Myeloid Leukemia (AML)* - AML typically presents with signs of **bone marrow failure**, such as anemia, neutropenia, and thrombocytopenia (low platelets), indicating acute lack of mature blood cells. - The lab findings in AML usually show cytopenia or the presence of immature **myeloblasts**, not isolated thrombocytosis.

Q: Which of the following is the correct definition of postpartum pyrexia?

After 24 hours, temperature > 100.4 degrees Fahrenheit. ***After 24 hours, temperature > 100.4 degrees Fahrenheit***- The standard definition of **postpartum pyrexia** (puerperal fever) requires a temperature of **100.4°F (38.0°C)** or higher, recorded on any two of the first 10 postpartum days.- Importantly, this definition **excludes the first 24 hours** post-delivery, as transient fever during this period is common and often non-infectious (**dehydration** or **trauma**).*After 6 hours, temperature > 100.4 degrees Fahrenheit*- This time threshold is too early; transient, often benign, fever spikes are common in the immediate six hours following delivery due to physiological changes or **epidural use**.- Using this timeframe would lead to over-diagnosis of **puerperal morbidity** or infection.*After 3 hours, temperature > 100.4 degrees Fahrenheit*- Fever occurring this early is usually reflective of labor-related issues like **chorioamnionitis** present before delivery or non-infectious causes related to the immediate **postpartum stress**.- The standard definition purposefully excludes the initial period to distinguish between immediate physiological responses and actual **puerperal infection**.*After 12 hours, temperature > 100.4 degrees Fahrenheit*- While closer to the standard definition, 12 hours is still too soon, as the standard clinical parameter for defining significant infection requires symptoms to persist starting **after the first 24 hours**.- This window still often includes temporary fevers that resolve spontaneously and are not indicative of true **postpartum infection**.

Q: A 32-year-old woman presents with intermenstrual bleeding following the insertion of an intrauterine device (IUD). She reports no other complications. What is the most appropriate initial management step?

Reassure the patient and observe. **Reassure the patient and observe (Correct)** - Irregular bleeding (spotting or intermenstrual bleeding) is a very common and expected side effect, especially during the first **3 to 6 months** after IUD insertion (both copper and hormonal). - In the absence of signs of infection (fever, purulent discharge, pelvic pain), IUD expulsion, or pregnancy, the initial management is typically **reassurance** that symptoms often resolve spontaneously. *Remove the IUD (Incorrect)* - IUD removal is generally reserved for failure of medical management, **IUD expulsion**, severe complications (e.g., **perforation**), or persistent, unacceptable side effects after the initial adaptation period. - Removing the IUD prematurely for expected spotting unnecessarily terminates a highly effective form of **contraception**. *Perform a pelvic ultrasound (Incorrect)* - Imaging is usually indicated if there is suspicion of **IUD malposition** (e.g., missing strings, pain, suspected expulsion) or to rule out other causes of bleeding like **pregnancy** or structural uterine abnormalities (fibroids, polyps). - Since the bleeding is expected and transient in the immediate post-insertion phase, an ultrasound is generally not mandatory as the *initial* step in an otherwise asymptomatic patient. *Prescribe hormonal therapy (Incorrect)* - While treatments like low-dose **estrogen** or **NSAIDs** can sometimes manage persistent, heavy bleeding, simple spotting is typically managed conservatively first. - Adding hormonal therapy might mask important underlying issues or add unnecessary risk/side effects for a symptom that is likely to resolve spontaneously.

Q: For how long is exclusive breastfeeding recommended?

6 months. ***6 months*** - The **World Health Organization (WHO)** and the **American Academy of Pediatrics (AAP)** strongly recommend **exclusive breastfeeding for the first 6 months** of life to ensure optimal growth and development. - Breast milk provides all the necessary **nutrients, antibodies, and hydration** required by the infant during this period, offering protection against **infections** and **sudden infant death syndrome (SIDS)**. - After 6 months, **complementary feeding** should be introduced alongside continued breastfeeding up to 2 years or beyond. *3 months* - This duration is **insufficient** as it prevents the infant from receiving the full protective and nutritional benefits provided by breast milk up to 6 months. - Introducing other foods or formula before 6 months can increase the risk of **infections** and **allergy development** due to immature gut immunity. *9 months* - Exclusive breastfeeding for 9 months is **not recommended** because the infant's increasing metabolic demands cannot be met by breast milk alone after 6 months. - By 9 months, insufficient intake of nutrients like **iron** and **zinc** from exclusive breastfeeding can lead to **nutritional deficiencies** and impaired development. *12 months* - Exclusive breastfeeding for 12 months is **inappropriate** as infants require the energy and micronutrients provided by **complementary foods** starting from 6 months of age. - Failure to introduce solids by 12 months can hinder the development of **oral motor skills** and lead to severe **nutritional deficits**.

Q: A patient with a history of trauma presents with hearing loss. A High-Resolution Computed Tomography (HRCT) scan was performed. Which of the following structures is not typically visualized on HRCT?

Organ of Corti. ***Organ of Corti***- The **Organ of Corti** is a delicate, purely **soft-tissue structure** located within the cochlear duct (scala media).- **HRCT** primarily excels at visualizing **bone and air interfaces**; the soft-tissue resolution is insufficient to distinctly delineate this microscopic sensorineural structure.*Cochlea*- The bony shell of the **cochlea**, forming the **bony labyrinth** wall, is clearly visible on HRCT due to its high **density and calcification**.- HRCT is essential for evaluating the internal auditory canal and **cochlear anatomy**, especially for surgical planning or trauma assessment.*Vestibule*- The **vestibule** is part of the **bony labyrinth** housing the utricle and saccule, and its dense bony walls are clearly depicted by HRCT.- Visualization of the vestibule is crucial for assessing **temporal bone fractures** and identifying developmental anomalies.*Semicircular canal*- The three **semicircular canals** (anterior, posterior, lateral) are osseous structures easily resolved by the fine spatial detail of **HRCT**.- HRCT accurately assesses pathology such as **semicircular canal dehiscence** or traumatic disruption of these structures.

Question 1

What is the most commonly used test for newborn hearing screening?

Accepted Answer

Otoacoustic Emissions (OAE)

Answer

Tympanometry

Answer

Pure Tone Audiometry (PTA)

Answer

Brainstem Evoked Response Audiometry (BERA)

Question 2

Which structure is most commonly involved in the compression of the anterior ethmoid nerve, leading to anterior ethmoid nerve syndrome?

Accepted Answer

Middle turbinate

Answer

Nasal septum

Answer

Superior turbinate

Answer

Inferior turbinate

Question 3

During measurement of a rifled barrel weapon, the caliber depends on?

Accepted Answer

Distance between two opposite lands

Answer

Distance between two opposite grooves

Answer

Mass and velocity

Answer

Number of lead pellets

Question 4

During the forensic examination of semen from a rape victim, the identification of distinctive yellow needle-like crystals raises attention. What is the specific test employed to confirm the presence of semen?

Accepted Answer

Barberio test

Answer

Acid phosphatase test

Answer

Papanicolaou smear

Answer

Florence test

Question 5

A 46-year-old male presents to the outpatient department with a history of lower back pain and painful urination. Upon investigation, he is found to have normocytic normochromic anemia and hypercalcemia. Serum protein electrophoresis reveals an M-spike in the gamma region. Which of the following tests is most appropriate to confirm the diagnosis of multiple myeloma?

Accepted Answer

Bone marrow examination

Answer

Liver function test

Answer

Urine albumin-to-creatinine ratio (UACR) test

Answer

Bence Jones protein in urine

Question 6

A young woman presents with recurrent headaches, easy bruising, and episodes of visual blurring. Her platelet count is elevated, while her red blood cell (RBC) and white blood cell (WBC) counts are normal. What is the most likely diagnosis?

Accepted Answer

Essential Thrombocythemia

Answer

Polycythemia Vera

Answer

Chronic Myeloid Leukemia (CML)

Answer

Acute Myeloid Leukemia (AML)

Question 7

Which of the following is the correct definition of postpartum pyrexia?

Accepted Answer

After 24 hours, temperature > 100.4 degrees Fahrenheit

Answer

After 6 hours, temperature > 100.4 degrees Fahrenheit

Answer

After 3 hours, temperature > 100.4 degrees Fahrenheit

Answer

After 12 hours, temperature > 100.4 degrees Fahrenheit

Question 8

A 32-year-old woman presents with intermenstrual bleeding following the insertion of an intrauterine device (IUD). She reports no other complications. What is the most appropriate initial management step?

Accepted Answer

Reassure the patient and observe

Answer

Prescribe hormonal therapy

Answer

Remove the IUD

Answer

Perform a pelvic ultrasound

Question 9

For how long is exclusive breastfeeding recommended?

Accepted Answer

6 months

Answer

3 months

Answer

12 months

Answer

9 months

Question 10

A patient with a history of trauma presents with hearing loss. A High-Resolution Computed Tomography (HRCT) scan was performed. Which of the following structures is not typically visualized on HRCT?

Accepted Answer

Organ of Corti

Answer

Cochlea

Answer

Semicircular canal

Answer

Vestibule

FMGE 2024

ENT

Forensic Medicine

Internal Medicine

Obstetrics and Gynecology

Pediatrics

Radiology