Obstetrics and Gynecology
5 questionsIntrauterine adhesions best seen by?
What is the recommended timing for the insertion of a Copper T intrauterine device?
Most common congenital uterine anomaly is?
Which drug is commonly used in the medical management of ectopic pregnancy?
What percentage of ectopic pregnancies occur in the fallopian tube?
NEET-PG 2013 - Obstetrics and Gynecology NEET-PG Practice Questions and MCQs
Question 1171: Intrauterine adhesions best seen by?
- A. Hysteroscopy (Correct Answer)
- B. Ultrasound
- C. Computed Tomography
- D. Magnetic Resonance Imaging
Explanation: ***Hysteroscopy*** - **Hysteroscopy** provides direct visualization of the uterine cavity, allowing for precise identification and characterization of **intrauterine adhesions (IUA)** or **Asherman's syndrome**. - It not only diagnoses IUAs but also allows for simultaneous treatment through **adhesiolysis**, making it the gold standard for both diagnosis and management. *Ultrasound* - While ultrasound can sometimes suggest the presence of adhesions through abnormal endometrial appearances or fluid collections, it is generally **not definitive** for diagnosing IUAs. - Its sensitivity is limited, especially for subtle or fine adhesions, and it often requires confirmation by other methods. *Computed Tomography* - **Computed Tomography (CT)** scans are generally **not used** for the diagnosis of intrauterine adhesions. - CT provides limited soft tissue contrast in the endometrial cavity and exposes the patient to **ionizing radiation**, without offering a clear advantage over other imaging modalities. *Magnetic Resonance Imaging* - **Magnetic Resonance Imaging (MRI)** can provide good soft tissue detail and may visualize severe adhesions, but it is **not as sensitive or specific** as hysteroscopy for detecting all types of IUAs. - MRI is more expensive and less accessible than hysteroscopy, and it does not allow for immediate therapeutic intervention.
Question 1172: What is the recommended timing for the insertion of a Copper T intrauterine device?
- A. 3 days after periods are over
- B. Within 10 days of start of menstrual cycle (Correct Answer)
- C. Just after menstruation
- D. During active pelvic infection
Explanation: ***Within 10 days of start of menstrual cycle*** - Inserting the **Copper T IUD** during this phase ensures the woman is not pregnant, as ovulation typically occurs later in the cycle. - The **cervix is slightly dilated** during menstruation, making insertion easier and less uncomfortable. - This is the **recommended timing** as per standard guidelines for IUD insertion. *3 days after periods are over* - While this timing might seem appropriate, it doesn't align with the optimal window for ensuring **non-pregnancy** and ease of insertion. - The **cervix may have already closed** significantly, making insertion potentially more difficult than during menstruation. *During active pelvic infection* - Insertion of an IUD during an **active pelvic infection** is **absolutely contraindicated** due to the risk of exacerbating the infection and leading to more serious complications like **pelvic inflammatory disease (PID)**. - The presence of infection increases the likelihood of bacteria being carried into the **uterine cavity**, potentially causing severe consequences. *Just after menstruation* - While close to the ideal window, this timing is less specific than "within 10 days" and may miss the optimal cervical conditions. - The benefits of a slightly dilated cervix during the early menstrual phase would be maximized with the more precise timing of within 10 days of cycle start.
Question 1173: Most common congenital uterine anomaly is?
- A. Bicornuate uterus
- B. Unicornuate uterus
- C. Arcuate uterus
- D. Septate uterus (Correct Answer)
Explanation: ***Septate uterus*** - A septate uterus is the most common congenital uterine anomaly, characterized by a **fibrous or muscular septum** dividing the uterine cavity. - This anomaly results from incomplete resorption of the **müllerian ducts** during development. *Bicornuate uterus* - A bicornuate uterus involves **two uterine horns** that are partially or completely separate, leading to a heart-shaped uterus. - While relatively common, it is **less prevalent** than the septate uterus. *Unicornuate uterus* - A unicornuate uterus is an anomaly where only **one side of the müllerian duct develops**, resulting in a uterus with only one horn and one fallopian tube. - This is a **rare anomaly** compared to septate and bicornuate uteri. *Arcuate uterus* - An arcuate uterus is considered a **mild variant of a normal uterus**, with a slight indentation in the fundus. - It often has **no clinical significance** and is less severe than other anomalies.
Question 1174: Which drug is commonly used in the medical management of ectopic pregnancy?
- A. Leuprolide
- B. Methotrexate (Correct Answer)
- C. Mifepristone
- D. Carboprost
Explanation: ***Correct: Methotrexate*** - **Methotrexate** is a **folic acid antagonist** that inhibits DNA synthesis and cell proliferation, making it effective in terminating early ectopic pregnancies by targeting rapidly dividing trophoblastic cells. - It is typically considered for **hemodynamically stable** patients with unruptured ectopic pregnancies, a beta-hCG level below a certain threshold (e.g., <5,000 mIU/mL), and no cardiac activity in the ectopic mass. - This is the **gold standard** for medical management of ectopic pregnancy meeting specific criteria. *Incorrect: Mifepristone* - **Mifepristone** is an **antiprogestin** primarily used for medical abortion of intrauterine pregnancies, causing detachment of the gestational sac and cervical ripening. - While it can be used in combination with misoprostol for medical abortion, it is **not the primary drug** for managing ectopic pregnancies. *Incorrect: Leuprolide* - **Leuprolide** is a **GnRH agonist** mainly used for conditions like endometriosis, uterine fibroids, and prostate cancer by suppressing ovarian or testicular hormone production. - It is **not used** in the direct medical management of ectopic pregnancy. *Incorrect: Carboprost* - **Carboprost** is a **prostaglandin F2-alpha analog** primarily used to treat **postpartum hemorrhage** by inducing strong uterine contractions. - It is **not indicated** for the treatment of ectopic pregnancy.
Question 1175: What percentage of ectopic pregnancies occur in the fallopian tube?
- A. 90% (Correct Answer)
- B. 75%
- C. 80%
- D. 67%
Explanation: ***90%*** - Approximately **90-95%** of all ectopic pregnancies occur within the fallopian tube, making it the most common site. - The **ampulla** is the most frequent tubal site, accounting for about 80% of tubal ectopics, followed by the isthmus and fimbrial end. *75%* - While a significant percentage, **75%** falls short of the actual prevalence of tubal ectopic pregnancies. - This percentage does not accurately reflect the high frequency of implantation within the fallopian tube. *80%* - **80%** is a common statistic for ectopic pregnancies occurring in the **ampulla** specifically, which is a segment of the fallopian tube. - However, the overall percentage for all fallopian tube locations is higher than 80%. *67%* - **67%** is too low and does not represent the vast majority of ectopic pregnancies that are found within the fallopian tube. - Such a low percentage would imply a higher incidence of ectopic pregnancies in other locations (e.g., ovary, cervix, abdomen), which is not the case.
Psychiatry
5 questionsWhat is the age range associated with the concrete operational stage in Piaget's theory of cognitive development?
Who is known as the father of modern psychiatry?
Pavlov's experiment is an example of which of the following learning theories?
ECT is contraindicated in -
What is a contraindication for ECT?
NEET-PG 2013 - Psychiatry NEET-PG Practice Questions and MCQs
Question 1171: What is the age range associated with the concrete operational stage in Piaget's theory of cognitive development?
- A. 2-6 years
- B. 5-10 years
- C. 7-11 years (Correct Answer)
- D. 10-15 years
Explanation: ***7-11 years*** - This age range aligns with Piaget's **concrete operational stage**, during which children develop **logical thinking** about concrete events. - They begin to understand **conservation**, classification, and seriation. *2-6 years* - This range corresponds to the **preoperational stage**, characterized by **egocentrism** and reliance on intuition rather than logical reasoning. - Children in this stage have not yet mastered the concept of conservation. *5-10 years* - While it partially overlaps, this range is not the precise and commonly accepted period for the **concrete operational stage** in Piaget's theory. - The upper limit of 10 years excludes the latter portion of this cognitive stage. *10-15 years* - This age range predominantly represents the **formal operational stage**, where adolescents develop the ability for **abstract thought**, hypothetical reasoning, and systematic problem-solving. - This thinking is more advanced than the concrete operations.
Question 1172: Who is known as the father of modern psychiatry?
- A. Bleuler
- B. Freud
- C. Kraepelin
- D. Philippe Pinel (Correct Answer)
Explanation: ***Philippe Pinel*** - **Philippe Pinel** is widely regarded as the **father of modern psychiatry** due to his revolutionary reforms in the treatment of the mentally ill in the late 18th and early 19th centuries - He advocated for a more humane approach, removing chains from patients and emphasizing **moral treatment**, which laid the foundation for modern psychiatric care - His work at Bicêtre Hospital (1793) and Salpêtrière Hospital marked a paradigm shift from custodial care to therapeutic intervention *Bleuler* - **Eugen Bleuler** is known for coining the term **"schizophrenia"** (1911) and describing its fundamental symptoms (the "four A's": associations, affect, ambivalence, autism) - While his contributions were significant in understanding and classifying mental illness, he built upon the foundations of humane psychiatric care already laid by Pinel *Freud* - **Sigmund Freud** is considered the **father of psychoanalysis**, a distinct therapeutic approach and theory of personality - His work focused on the unconscious mind, defense mechanisms, and psychosexual development, which are central to psychoanalytic theory but not the foundational shift in psychiatric care management that Pinel initiated *Kraepelin* - **Emil Kraepelin** is often referred to as the **father of modern psychiatric classification** due to his systematic approach to categorizing mental disorders based on their clinical course and outcome (dementia praecox vs manic-depressive illness) - His work profoundly influenced the development of diagnostic manuals like the DSM, but his focus was on nosology and classification rather than the initial humane treatment reform
Question 1173: Pavlov's experiment is an example of which of the following learning theories?
- A. Modeling
- B. Classical conditioning (Correct Answer)
- C. Operant conditioning
- D. Learned helplessness
Explanation: ***Classical conditioning*** - Pavlov's experiment with dogs, where he conditioned them to **salivate** at the sound of a bell, is the quintessential example of **classical conditioning**. - This learning theory involves forming an association between a **neutral stimulus** (the bell) and a **natural stimulus** (food) that produces an involuntary response (salivation). *Modeling* - **Modeling**, or observational learning, involves learning by **observing and imitating** others. - This theory is associated with **Albert Bandura** and his Bobo doll experiment, which is different from Pavlov's stimulus-response pairing. *Operant conditioning* - **Operant conditioning** involves learning through **rewards and punishments** for voluntary behaviors. - This theory is primarily associated with **B.F. Skinner**, where an organism learns to associate a behavior with its consequences. *Learned helplessness* - **Learned helplessness** occurs when an individual or animal learns that they have no control over negative situations, leading to a sense of powerlessness and **giving up**. - This concept was developed by **Martin Seligman** and is not related to Pavlov's experiments on associative learning.
Question 1174: ECT is contraindicated in -
- A. Very ill patients
- B. Raised ICT (Correct Answer)
- C. Heart disease
- D. Pregnancy
Explanation: ***Raised ICT (Correct Answer)*** - An increase in **intracranial pressure (ICP)** is the **only absolute contraindication** to ECT in modern practice. - ECT causes a **transient rise in ICP** during the seizure due to increased cerebral blood flow and cerebral metabolic rate. - In patients with pre-existing raised ICP (from brain tumors, subdural hematoma, or other space-occupying lesions), this additional increase can precipitate **brain herniation**, which is potentially fatal. - This makes raised ICP an **absolute contraindication** where the risks clearly outweigh any potential benefits. *Very ill patients* - ECT is **not contraindicated** in medically ill patients; in fact, it can be **life-saving** in severe psychiatric emergencies. - With careful medical evaluation, monitoring, and management, ECT can be safely administered to medically fragile individuals. - The rapid therapeutic response of ECT makes it particularly valuable when other treatments have failed or when quick intervention is critical. *Heart disease* - Cardiac conditions are **relative contraindications**, not absolute contraindications. - While conditions like recent MI, unstable angina, or severe arrhythmias require careful evaluation, ECT can be performed safely with appropriate cardiac optimization and monitoring. - Modern anesthetic techniques and cardiovascular management allow most patients with heart disease to receive ECT when clinically indicated. *Pregnancy* - **Pregnancy is NOT a contraindication** to ECT and is considered one of the safest treatment options for severe psychiatric illness during pregnancy. - ECT can be performed safely throughout all trimesters with appropriate obstetric consultation, fetal monitoring, and positioning adjustments. - It avoids the teratogenic risks associated with many psychotropic medications, making it a preferred option for severe depression or psychosis in pregnancy.
Question 1175: What is a contraindication for ECT?
- A. Epilepsy
- B. HIV
- C. Cerebral aneurysm (Correct Answer)
- D. Arrhythmia
Explanation: ***Cerebral aneurysm*** * A **cerebral aneurysm** is considered a **relative contraindication** for electroconvulsive therapy (ECT) due to the increased risk of rupture from the transient, but significant, rise in **blood pressure** and **intracranial pressure** during the procedure. * The cardiovascular stress induced by the seizure can worsen pre-existing vascular pathologies in the brain, making it a high-risk condition. *Arrhythmia* * While various cardiac conditions require careful monitoring during ECT, **arrhythmias** are generally not an absolute contraindication. * Patients can often undergo ECT with proper **cardiac monitoring** and **pharmacological management** to control the heart rhythm during the procedure. *Epilepsy* * **Epilepsy** is not a contraindication for ECT; in fact, ECT *artificially induces a seizure* to achieve therapeutic effects. * The presence of epilepsy primarily impacts the choice of **anticonvulsant medications** and the need for potentially higher seizure thresholds, but it does not preclude ECT. *HIV* * **HIV infection** itself is not a contraindication for ECT. * ECT can be safely administered to HIV-positive individuals, with consideration given to the patient's overall **physical health**, **medication interactions**, and any co-morbid opportunistic infections.