Correct Answer: B

Rationale: The correct answer is B: Adjuvant therapies. Adjuvant therapies are additional treatments given after the primary treatment, usually surgery, to reduce the risk of cancer recurrence. In the context of fixed tumors, adjuvant therapies can help target any remaining cancer cells that may not have been completely removed during surgery, thus improving the chances of a successful outcome. En bloc resection (A) is important for complete tumor removal but may not always be feasible in fixed tumors. Neoadjuvant therapies (C) are given before surgery and are not typically used for fixed tumors. Elective lymph node dissection (D) may be necessary in some cases but is not the best approach for curative surgery in fixed tumors.

Correct Answer: A

Rationale: The correct answer is A: Ventral displacement. In ventral displacement hypospadias, the urethral opening is located on the underside of the penis, making it necessary to defer circumcision to preserve the prepuce for later surgical repair. Preserving the prepuce in this case is important for reconstructive surgery to correct the hypospadias. Choices B, C, and D do not require deferring circumcision as the location of the urethral opening does not impact the need for prepuce preservation for future surgical repair.

Correct Answer: A

Rationale: The correct answer is A: Fetal macrosomia. Prolonged pregnancy increases the risk of fetal macrosomia due to continued fetal growth beyond the normal term. This can lead to complications during delivery, such as shoulder dystocia and birth injuries. Placental dysfunction and cesarean section are possible outcomes of prolonged pregnancy but are not directly associated with fetal risks in this context. Shoulder dystocia is a potential complication of fetal macrosomia but is not a direct fetal risk of prolonged pregnancy.

Correct Answer: B

Rationale: The correct answer is B: Placental insufficiency. Prolonged pregnancy can lead to decreased placental function, resulting in inadequate oxygen and nutrients for the fetus. This can lead to complications such as intra-uterine growth restriction and fetal distress. Option A (Intra-uterine oligohydramnios) is a consequence of decreased amniotic fluid levels but not directly associated with prolonged pregnancy. Option C (Fetal post-maturity syndrome) refers to the complications seen in a post-term newborn, not maternal risks. Option D (Large for gestational age baby) is a consequence of prolonged pregnancy but does not directly impact maternal health.

Correct Answer: C

Rationale: The correct answer is C: Protein intake of 50 g daily. In hepatic encephalopathy, reducing protein intake is crucial to prevent ammonia accumulation. Protein breakdown in the body leads to ammonia production, which worsens encephalopathy symptoms. Limiting protein intake to 50g daily helps decrease ammonia formation. Lactulose (choice A) is used to reduce ammonia absorption in the gut. Spironolactone (choice B) is a diuretic used to treat fluid retention in liver disease. Zolpidem (choice D) is a sedative and not related to managing ammonia accumulation in hepatic encephalopathy. Therefore, choices A, B, and D are incorrect for long-term management of ammonia accumulation in hepatic encephalopathy.