MRCS Recalls Mock 2 P1 4-19 Flashcards
post parotidectomy patient developed gustatory sweating during meals,what is the mechanism?
Frey syndrome
young man presented after RTA with complete transection of spinal cord but still have bladder control due to
intact pelvic splanchnic nerves
Regarding mysethenia gravis ,receptors to be affected related to?
Acetylcholine
A 26-year-old man presents to the Emergency Department with extensive bleeding from his arm after sustaining a glass injury. On examination there is a 7 cm transverse laceration across the anterior aspect of his elbow. On exploring the cubital fossa you would expect the brachial artery to be
lateral to the median nerve
what is the first branch of internal carotid artery
1st branch of internal carotid = Ophthalmic a.
1st branch of external carotid = superior thyroid a.
A 22-year-old man has been stabbed in the left fifth intercostal space at the edge of the sternum. Which structure is most likely to have been penetrated?
Right ventricle
.which of the following organs has a lymphatic drainage to para-aortic LN
ovary
dermatome of the little finger
C8
which of the following is requir to be divided during tracheostomy
thyroid isthmus
Failure of caudal part of metanephron to develop will result in
renal agenesis
Pericardioperitoneal membrane defect will lead to
Congenital Diaphragmatic hernia
70-year-old man undergoes transurethral resection of bladder tumour (TURBT). The tumour lies over the lateral side wall of the bladder just above the opening of the right ureteric orifice. Use of the diathermy suddenly causes the patient to ‘kick’ because of contraction of the hip adductors muscles. Which nerve has been stimulated
Obturator nerve
A 28-year-old man presents with pain in his left scrotum. A diagnosis of varicocele is made. Which vessel is involved
gonadal vein
calculating CPP
CPP=MAP-ICP & (MAP = SBP +2DBP /3 )
the most common site of obstruction in hydrocephalus?
cerebral aqueduct of sylvius
A healthy 36 years old man is being assessed with a view to being a life related kidneydonor which are of following investigations is most accurate for measuring the GFR?
Inulin
relatioN of ureter to the gonadal vessels at pelvic brim?
posterior to it
Activation of which of the following transport systems best describes how aldosterone leads to maintenance of the intravascular volume and oliguria
Na/K in the collecting ducts
42 years old woman has a cholecystectomy and develops a self-limiting postoperative wound infection. By what process would bacterial ingestion have been enhanced?
Opsonisation
Patient cant dorsiflex his big toe, Which nerve root is most likely to be involved?
L5
A 19-year-old woman presents to the Emergency Department profoundly hypovolemic having fallen from a horse. A postero-anterior (PA) chest radiograph shows a fracture to the medial third of the left clavicle. Which of the following vessels is most likely to be damaged?
Left subclavian artery
The branchial cyst derived from which paryngeal arch?
Second
.A 26-year-old man is admitted to the Emergency Department with multiple peripheralfractures. He is clinically shocked. Which is the structure responsible for the firsthemostatic response to a fall in systemic arterial blood pressure?
Baroreceptor
During recovery from varicose veins surgery, 35 years old woman complains of weakness of dorsiflexion of the ankle ,Physical examination reveals absent sensation over the dorsum of the foot. Which of the following nerves is most likely injured?
Common peroneal nerve
pt with pancreatitis, what is the enzyme responsible for autodigestion
trypsin
patient fall at his wrist resulted in median nerve injury?
Due to lunate dislocation
Hypospadias is a congenital anomaly of the penile urethra. The underlying cause is mal-development of which of the following structures
Urogenital Fold
The surface landmarks used to localize the optimal site for a tracheostomy incision are midway between the suprasternal notch and which of the following??
Cricoid
The right and left pulmonary arteries are derived from which of the following embryological aortic arches?
Sixth aortic arch
70-year-old woman from a nursing home is brought to the Emergency Department with abdominal pain and vomiting. On examination, she is dehydrated and her abdomen is distended. There is a 3 cm x 4 cm swelling in the right groin which is non tender, and there is no cough impulse. At operation, a femoral hernia is found. Which one of the following lies immediately lateral to the hernial neck?
Femoral vein
the relation of ulnar nerve to the ulnar artery in wrist?
ulnar nerve is ulnar to ulnar artery
Patient with anterior compartment syndrome, where will be the site of loss of sensation?
1st web space
Counter current multiplier mechanism that leads to the concentration of urine in the Loop of Henle?
Permeability to solute in thick ascending limb
OR
Impermeability to water in thick ascending limb
4 features of tetralogy of fallot
- Pulmonary Stenosis
- VSD(R. to L. shunt)
- RVH
- Overriding aorta
A 45-year-old man has established cirrhosis. At a follow-up appointment a palpable spleen four fingers breadths below the costal margin is noticed. Full blood counts have shown a persistent thrombocytopaenia. Bone marrow examination shows megakaryocyte hyperplasia. What is the most likely cause of the thrombocytopaenia
Platelet destruction in the spleen
