Duchenne muscular dystrophy is a X-linked recessive disorder. Since the first child is affected, it means that the mother is a carrier. Since the sex of the second child is known and noted to be male, the chances of child …
Pay special attention to the final line of the question. In this question they arespecifically asking for chances that this boy is a carrier (not an affected child with cysticfibrosis). In other stems and questions, they may ask for the …
This lady has neurofibromatosis. The risk of an affected individual with neurofibromatosis type 1 or 2 transmitting the disease to their child is 50% Neurofibromatosis There are two types of neurofibromatosis, NF1 and NF2. Both are inherited in an autosomal …
The most appropriate test at this gestation would be an amniocentesis. Amniocentesis Amniocentesis is an invasive, diagnostic antenatal test. It involves taking a sample ofamniotic fluid in order to examine fetal cells found in this fluid. Amniocentesis is an invasive …
Down syndrome has many features. Duodenal atresia is one of them that you must notforget. Double bubble sign indicates duodenal atresia. For the purpose of PLAB, link these 3 terms closely: Double bubble sign → Duodenal atresia → Down’s syndrome …
The patient has been diagnosed with atrial fibrillation. The symptoms of stroke were probably due to atrial fibrillation. The main goals in managing AF are rate/rhythm control and anticoagulation. As she was already managed with metoprolol which is a rate …
The first step is to recognize that there is left axis deviation on this ECG. Â Â The easiest method to recognize this is to: 1. Find the lead with smallest or equiphasic deflection. In this case it would be …
Radial nerve (C5-T1) Motor to  Extensor muscles (forearm, wrist, fingers, thumb)  If damaged leads to wrist drop Sensory to If damaged – Sensory loss is variable, but always includes the dorsal aspect of the root of the thumb. Usually leads …
The suprasternal notch (fossa jugularis sternalis) is also known as the jugular notch. The Transpyloric plane, also known as Addison’s Plane, is an upper transverse line, located halfway between the jugular notc and the upper border of the pubic symphysis. …
This question is purely testing your knowledge of the biliary tree anatomy. The Hepatopancreatic ampulla, otherwise known as the Ampulla of Vater, is formed from the pancreatic duct and the common bile duct. It opens into the second part of …