Gynecological Disorders Practice Questions

Q: The "whiff test" is positive in which of the following conditions?

Trichomonas vaginitis. **Explanation:** The **Whiff test** (amine test) is a diagnostic maneuver used to identify vaginal infections characterized by the production of volatile amines. It involves adding a drop of 10% Potassium Hydroxide (KOH) to a sample of vaginal discharge. A "positive" result is the immediate release of a pungent, fishy odor. **Why Trichomonas vaginitis is correct:** In **Trichomoniasis**, the anaerobic environment and the presence of the parasite lead to the production of amines (like putrescine and cadaverine). When KOH is added, these amines are volatilized, resulting in a positive whiff test. While the whiff test is most classically associated with **Bacterial Vaginosis (BV)**—where it is a component of the Amsel criteria—it is also frequently positive in Trichomoniasis due to the similar alkaline pH and anaerobic overgrowth. Among the given options, Trichomonas is the only condition that typically yields this result. **Why the other options are incorrect:** * **Candidiasis:** Characterized by a thick, curd-like discharge with a normal (acidic) pH. The whiff test is negative. KOH is used here instead to visualize pseudohyphae and spores. * **Chlamydial infection:** This is primarily a cervicitis. It does not typically alter the vaginal flora or produce volatile amines. * **HSV infection:** Presents with painful vesicles or ulcers; it is a viral infection and does not produce a fishy odor upon addition of KOH. **High-Yield Clinical Pearls for NEET-PG:** * **Amsel Criteria for BV:** (1) Thin, homogenous discharge, (2) pH >4.5, (3) **Positive Whiff test**, (4) Presence of **Clue cells** (most specific). * **Trichomoniasis:** Look for "Strawberry cervix" (colpitis macularis) and motile flagellates on wet mount. * **Vaginal pH:** Normal is 3.8–4.5. pH is elevated (>4.5) in both BV and Trichomoniasis, but remains normal in Candidiasis.

Q: Which of the following instruments is used to obtain a cervical smear?

Ayre's spatula. **Explanation:** The correct answer is **Ayre’s spatula**. This instrument is specifically designed for obtaining a cervical smear during a Pap test to screen for cervical cancer. **1. Why Ayre’s Spatula is Correct:** Ayre’s spatula is a wooden or plastic device with a bifid (contoured) end and a flat end. The bifid end is designed to fit the anatomy of the cervix; the longer projection is inserted into the external os, while the shorter arm rests on the ectocervix. By rotating the spatula 360 degrees, the clinician collects exfoliated cells from the **Squamocolumnar Junction (Transformation Zone)**, which is the primary site for cervical intraepithelial neoplasia (CIN). **2. Analysis of Incorrect Options:** * **Pipelle:** This is a flexible, thin plastic suction cannula used for **Endometrial Biopsy**. It is not used for cervical cytology. * **Sims Spatula:** This is a distractor. While "Sims" is associated with the Sims Vaginal Speculum (used to retract the posterior vaginal wall), there is no standard "Sims spatula" used for smears. * **Colposcope:** This is an optical magnifying instrument used to visualize the cervix under magnification (usually 6x to 40x) after an abnormal Pap smear. It is a diagnostic tool, not a sampling instrument. **3. High-Yield Clinical Pearls for NEET-PG:** * **Triple Smear (VCE):** Traditionally includes samples from the **V**agina (posterior fornix), **C**ervix (ectocervix), and **E**ndocervix. * **Cytobrush:** Often used in conjunction with Ayre’s spatula to sample the **endocervical canal** more effectively. * **Liquid-Based Cytology (LBC):** The modern gold standard where the sample (collected via a Cervex-brush) is rinsed into a preservative vial rather than smeared directly onto a slide. * **Fixative:** If using a conventional smear, 95% ethyl alcohol is the standard fixative.

Q: The cyst which arises from the remnants of mesonephric duct and is seen in the vaginal wall is:

Gartner's duct cyst. **Explanation:** **Gartner’s duct cysts** are the most common cystic lesions of the vagina. They arise from the **remnants of the Mesonephric (Wolffian) duct**. In females, the mesonephric ducts normally regress; however, persistent remnants can form cysts along the **anterolateral wall** of the superior portion of the vagina. **Analysis of Incorrect Options:** * **Bartholin’s cyst:** These arise from the obstruction of the Bartholin’s gland duct. They are located in the **posterior third of the labia majora** (vulva), not the vaginal wall. * **Inclusion cyst:** These are the most common vaginal cysts overall but are **acquired**, usually resulting from birth trauma or surgery where epithelium is trapped under the surface. They are not embryological remnants. * **Endometriotic cyst:** These are caused by ectopic endometrial tissue. While they can occur in the vagina (usually in the posterior fornix), they are associated with cyclic pain and are not derived from the mesonephric duct. **NEET-PG High-Yield Pearls:** * **Location:** Gartner’s duct cysts are typically found in the **anterolateral** vaginal wall. * **Embryology:** * **Paramesonephric (Müllerian) duct** forms the Fallopian tubes, Uterus, and Upper 4/5th of the vagina. * **Mesonephric (Wolffian) duct** remnants in females include Gartner’s cysts, Epoophoron, and Paroophoron. * **Clinical Note:** Gartner’s duct cysts are usually asymptomatic and incidental findings, but if large, they may cause dyspareunia or difficulty in inserting a speculum. They are generally located above the level of the hymen.

Q: What is the most appropriate time for self-examination of the breast in relation to menstruation in a pre-menopausal woman?

One week after menstruation starts. **Explanation:** The correct answer is **Option A: One week after menstruation starts.** **Why it is correct:** Breast tissue is highly sensitive to hormonal fluctuations during the menstrual cycle. In the pre-ovulatory phase (follicular phase), specifically **7 to 10 days after the first day of the period**, estrogen and progesterone levels are at their lowest. During this window, breast engorgement, tenderness, and nodularity (physiologic lumpiness) are minimal. This makes the breast tissue soft and easy to palpate, allowing for the most accurate detection of any abnormal masses or changes. **Why other options are incorrect:** * **B. Before ovulation:** In the late follicular phase, rising estrogen levels can begin to cause ductal proliferation, potentially increasing breast density. * **C. During menstruation:** The breasts may still be tender or swollen due to the hormonal withdrawal process occurring at the end of the previous luteal phase. * **D. One day after menstruation ends:** While better than the luteal phase, the "one week after the start" rule is more standardized to ensure the hormonal influence has completely subsided and the tissue is at its most quiescent state. **NEET-PG High-Yield Pearls:** * **Post-menopausal women:** Should perform Breast Self-Examination (BSE) on a **fixed date** every month (e.g., the 1st of every month). * **BSE Technique:** Use the pads of the middle three fingers, moving in a circular, vertical, or wedge pattern, including the **Axillary Tail of Spence**. * **Screening:** While BSE increases breast awareness, the **Gold Standard** for breast cancer screening remains **Mammography** (typically starting at age 40–50). * **Clinical Breast Examination (CBE):** Recommended every 1–3 years for women aged 25–39 and annually for those over 40.

Q: Which of the following is NOT an ultrasound finding consistent with the diagnosis of adenomyosis?

Encapsulated hypoechoic lesion. **Explanation:** The correct answer is **D. Encapsulated hypoechoic lesion**. This finding is characteristic of a **uterine leiomyoma (fibroid)**, not adenomyosis. Fibroids are well-circumscribed, encapsulated tumors that displace surrounding myometrium. In contrast, adenomyosis is a diffuse process where endometrial glands and stroma invade the myometrium, leading to an ill-defined, non-encapsulated "shaggy" appearance. **Analysis of Options:** * **Uterine enlargement (Option A):** Adenomyosis typically causes a "globular" enlargement of the uterus, often with an asymmetrical thickening of the posterior wall. * **Subendometrial echogenic linear striations (Option B):** This is a highly specific sign of adenomyosis. It represents the invasion of endometrial tissue into the myometrium, creating "fan-shaped" shadowing or "venetian blind" appearance. * **Thickening of the transitional zone (Option C):** On ultrasound (and more clearly on MRI), a thickened junctional zone (usually >12 mm) is a hallmark diagnostic feature of adenomyosis. **Clinical Pearls for NEET-PG:** * **Classic Triad:** Secondary dysmenorrhea, menorrhagia, and a symmetrically enlarged, "boggy" (soft) uterus. * **Mnemonic for USG findings:** "RAIN" – **R**ay-like shadows (striations), **A**symmetrical wall thickening, **I**sland-like cysts (myometrial cysts), and **N**on-capsulated. * **Gold Standard Diagnosis:** Histopathology (post-hysterectomy); however, **MRI** is the most accurate non-invasive imaging modality. * **Key Distinction:** Unlike fibroids, adenomyotic lesions cannot be easily "shelled out" during surgery because they lack a surgical capsule.

Q: Trisomy of which chromosome is associated with uterine fibroids?

Trisomy 12. **Explanation:** Uterine fibroids (leiomyomas) are benign monoclonal tumors of the smooth muscle cells of the myometrium. While many fibroids have a normal karyotype, approximately 40–50% exhibit specific chromosomal abnormalities. The most common numerical chromosomal abnormality associated with uterine fibroids is **Trisomy 12**. **1. Why Trisomy 12 is Correct:** Cytogenetic studies have consistently identified Trisomy 12 (+12) as a frequent recurring alteration in leiomyomas. It often occurs as the sole abnormality or in combination with other rearrangements, such as t(12;14). This trisomy is thought to lead to the overexpression of certain genes that promote the proliferation of smooth muscle cells. **2. Analysis of Incorrect Options:** * **Trisomy 10 & 11:** These are not typically associated with uterine leiomyomas. While chromosomal instability can occur in various tumors, these specific trisomies do not represent recognized recurring patterns in fibroid pathogenesis. * **Trisomy 14:** While the translocation **t(12;14)(q14-15;q23-24)** is the most common structural abnormality in fibroids (involving the *HMGA2* gene), the numerical abnormality is specifically Trisomy 12, not Trisomy 14. **NEET-PG High-Yield Pearls:** * **Most common structural abnormality:** Translocation between chromosomes 12 and 14 [t(12;14)]. * **Key Gene involved:** *HMGA2* (High Mobility Group AT-hook 2) located on 12q14-15. * **Other common mutations:** Deletion of 7q (del 7q) and mutations in the *MED12* gene (found in up to 70% of cases). * **Clinical Correlation:** Fibroids with Trisomy 12 tend to grow faster than those with a normal karyotype.

Q: What is the most common site involved in genital tuberculosis?

Fallopian tubes. **Explanation:** Genital tuberculosis (TB) is a significant cause of infertility in developing countries. It is almost always secondary to a primary focus elsewhere (usually lungs or lymph nodes), reaching the genital tract primarily via **hematogenous spread**. **1. Why Fallopian Tubes are correct:** The **fallopian tubes** are the most common site, involved in **90-100%** of cases of female genital TB. Because the infection spreads through the bloodstream, it first seeds the highly vascular endosalpinx. The involvement is typically bilateral. This leads to characteristic findings like "lead pipe" tubes, "tobacco pouch" appearance, or hydrosalpinx, eventually causing tubal factor infertility. **2. Analysis of Incorrect Options:** * **B. Endometrium:** This is the second most common site, involved in approximately **50-60%** of cases. It is usually infected secondary to downward spread from the fallopian tubes. * **C. Ovaries:** Involved in about **20-30%** of cases. Infection usually spreads via direct extension from the tubes (perioophoritis) rather than hematogenous seeding of the ovarian stroma. * **D. Vulvo-vaginal part:** These are the least common sites (approx. **1-2%**). Involvement here is rare and usually occurs through direct inoculation or infected discharge from higher up in the tract. **Clinical Pearls for NEET-PG:** * **Order of frequency:** Fallopian Tubes (100%) > Endometrium (50-60%) > Ovaries (20-30%) > Cervix (5-15%) > Vulva/Vagina (1%). * **Most common symptom:** Infertility (followed by menstrual irregularities like oligomenorrhea or amenorrhea). * **Gold Standard Diagnosis:** Endometrial biopsy/aspirate for TB-PCR or Culture (Lowenstein-Jensen medium). * **HSG Finding:** "Beaded tube" appearance or "Rosary bead" appearance due to multiple strictures.

Question 1

The "whiff test" is positive in which of the following conditions?

Accepted Answer

Trichomonas vaginitis

Answer

Candidiasis

Answer

Chlamydial infection

Answer

Herpes simplex virus (HSV) infection

Question 2

Which of the following instruments is used to obtain a cervical smear?

Accepted Answer

Ayre's spatula

Answer

Pipelle spatula

Answer

Sims spatula

Answer

Colposcope

Question 3

Which of the following is a characteristic of vaginal discharge in bacterial vaginosis?

Accepted Answer

Whiff test positive

Answer

Grayish and thin

Answer

pH > 4.5

Answer

Decrease in number of lactobacilli

Question 4

The cyst which arises from the remnants of mesonephric duct and is seen in the vaginal wall is:

Accepted Answer

Gartner's duct cyst

Answer

Bartholin's cyst

Answer

Inclusion cyst

Answer

Endometriotic cyst

Question 5

When should fibroids in pregnancy be removed?

Accepted Answer

Fibroids in pregnancy should not be removed

Answer

During pregnancy

Answer

During cesarean section

Answer

In the early puerperium

Question 6

A 25-year-old sexually active woman complains of purulent discharge and dysuria after having intercourse with a new partner. What is the most sensitive investigation for diagnosis?

Accepted Answer

Gram stain

Answer

Bacterial growth or culture on selective media

Answer

Wet mount

Answer

Nucleic Acid Amplification Test (NAAT)

Question 7

What is the most appropriate time for self-examination of the breast in relation to menstruation in a pre-menopausal woman?

Accepted Answer

One week after menstruation starts

Answer

Before ovulation

Answer

During menstruation

Answer

One day after menstruation ends

Question 8

Which of the following is NOT an ultrasound finding consistent with the diagnosis of adenomyosis?

Accepted Answer

Encapsulated hypoechoic lesion

Answer

Uterine enlargement

Answer

Subendometrial echogenic linear striations

Answer

Thickening of the transitional zone

Question 9

Trisomy of which chromosome is associated with uterine fibroids?

Accepted Answer

Trisomy 12

Answer

Trisomy 10

Answer

Trisomy 11

Answer

Trisomy 14

Question 10

What is the most common site involved in genital tuberculosis?

Accepted Answer

Fallopian tubes

Answer

Endometrium

Answer

Ovaries

Answer

Vulvo-vaginal part

Gynecological Disorders — MCQs

Gynecological Disorders — MCQs

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