BMS204 Questions PDF

BMS204 Questions 1- A 53-year-old female presented to local emergency department complaining of fever, headache, and right eye swelling 2 weeks after returning from a 3-week trip to Mexico, where she slept in a one-room cottage that lacked netted window...

BMS204 Questions 1- A 53-year-old female presented to local emergency department complaining of fever, headache, and right eye swelling 2 weeks after returning from a 3-week trip to Mexico, where she slept in a one-room cottage that lacked netted windows and doors. On clinical examination, she had one small non-tender, freely mobile right posterior cervical lymph node. What is the next step for diagnosis of this patient? a) Cerebrospinal fluid analysis. b) Giemsa-stained blood smear. c) Intradermal test. d) Liver biopsy. e) Stool examination. 2- Which of the following has a role in virulence of Streptococcus pyogenes? a) M protein. b) T protein. c) R protein. d) C antigen. e) Streptolysin S. 3- What is the most common cause of myocardial infarction? a) Coronary thrombosis on top of atherosclerosis. b) Coronary vasospasm. c) Coronary embolism. d) Rheumatic heart disease. e) Severe anemia. 4- What is the most important long-term complication of rheumatic fever? a) Constrictive pericarditis b) Chronic rheumatic valvulitis. c) Erythema marginatum. d) Rheumatic arthritis. e) Sydenham chorea. 5- What is the predominant site of atherosclerosis? a) Media. b) Intima. c) Adventitia. d) Entire vessel wall. e) Vasa vasora. 6- A 54 year old man died of extensive anterior wall myocardial inferction. Post-mortem microscopic examination showed Which of the following predominant cells in the wall of his coronaries? a) Lymphocytes engulfing copper. b) Microphages engulfing iron. c) Macrophages engulfing lipids. d) Plasma cells containing lipids. e) Smooth muscles engulfing hemosiderin. 7- A child 5 years old with low grade fever and positional dyspnea. On X-ray there was a pericardial mass 5x4 cm. He underwent heart surgery. The mass was cystic with some hairs and greasy sebaceous material. Histologically there was stratified squamous epithelium with underlying cartilage. What is the most probable diagnosis? a) Cardiac myxoma. b) Calcified thrombus. c) Ectopia. d) Teratoma. e) Hemangioma. 8. Which of the following is surrounded by pericytes? a) Continuous capillary. b) Muscular artery. c) Sinusoidal Capillary. d) Medium-sized vein. e) Metarteriole. 9. Which of the following is responsible for strong adhesion between cardiomyocytes? a) T-tubules. b) Longitudinal part of intercalated disc. c) Purkinje fibers. d) Transverse part of intercalated disc. e) α-actinin protein of the Z-line. 10- Mr. Rami is a 54-year-old man complained to his physician of a dry disturbing cough. The man was recently diagnosed with stage 2 essential hypertension and had started a multidrug treatment 1 week earlier. Which of the following drugs most likely caused the patients complain? a) Nifedipine. b) Clonidine. c) Hydralazine. d) Minoxidil. e) Captopril. 11- Mr. Medhat is A 55-year-old man presented to emergency room suffering from severe hypertension, he is also suffering chronic renal failure. An intravenous infusion of a drug was started to control his blood pressure. Soon after therapy the patient had manifestations of thiocyanate toxicity. Which of the following drugs Mr. Medhat most likely had received? a) Labetalol. b) Hydralazine. c) Nifedipine. d) Nitroprusside. e) Diazoxide. 12- A 48-year-old man was brought to the emergency department with an acute myocardial infarction. The man regularly used sildenafil preparation because of an erectile dysfunction. He had recently been diagnosed with exertional angina, and he had been taking an appropriate prescribed therapy. Which of the following drugs most likely the patient had been receiving for treatment of angina? a) Propranolol. b) Diltiazem. c) Nitroglycerin. d) Atenolol. e) Verapamil. 13- Which of the following is considered an adverse effect to prolonged nitrates therapy? a) Hypertension. b) Heart failure. c) Tolerance. d) A.V. nodal block. e) Cold extremities. 14- Which of the following agents is considered the drug of choice in cases anaphylactic shock? a) Adrenaline. b) Dopamine. c) Nor-adrenaline. d) Aminophylline. e) Digoxin. 15- Mr. Majed is suffering from long standing atrial fibrillation (>6 months). Which of the following could occur to this patient if he received a drug that converts his atrium to normal rhythm? a) Severe hypotension. b) Embolism. c) Severe hypertension. d) Hemolysis. e) Liver failure. 16- Mr. Marwan is a-48 years-old man, during his routine laboratory investigations he found that he has hypercholesterolemia. The doctor prescribed him a drug that can result in malabsorption of lipid-soluble vitamins. Which of the following lipid lowering agents most likely prescribed to Mr. Marwan? a) Simvastatin. b) Atorvastatin. c) Cholestyramine. d) Rosuvastatin. e) Fenofibrate. 17- Which of the following describes systemic circulation? a) It starts from the right ventricles to the left atria. b) It is important for oxygenation of the blood. c) It is important for removal of waste products from the tissues. d) It was first discovered by the Arabian scientist, Bin Nafeis. e) It can be roughly measured by arm to lung circulation time. 18- What is the cause of A-V nodal delay? a) Large sized cells. b) Few gap junctions. c) High number of Na channels. d) More Ca channels. e) Highest rate of impulse discharge. 19- During which phase of the ventricular action potential the conductance to K+ is highest? a) Phase 0 b) Phase 1 c) Phase 2 d) Phase 3 e) Phase 4 20- What is the process that takes place in the ventricles of the heart normally and represented by T wave in ECG? a) Depolarization b) Injury currents c) Repolarization d) Relaxation e) Contraction 21- Which phase of the cardiac cycle coincides with the C wave in jugular venous pulse? a) Isometric contraction phase. b) Isometric relaxation phase. c) Maximum ejection phase. d) Atrial systole phase. e) Rapid filling phase. 22- Which of the following reflexes mainly describes the relation between heart rate and blood pressure? a) Alam-Smirk reflex. b) Marey's law. c) Starling law. d) Bainbridge reflex. e) Anrep's reflex. 23- Which of the following best describes cardiac output? a) It is the combined blood volumes pumped by both ventricles /beats. b) Increases when there is overstretch of the ventricle. c) Matches the venous return in a normal heart. d) Is determined by the end-systolic pressure × heart rate. e) Equals stroke volume divided by end-diastolic volume. 24- What is the characteristic feature of homeometric autoregulation of COP? a) It is a transient mechanism. b) It starts with 5 min after rise in venous return. c) It has high EDV. d) It has low ESV. e) It is explained by Starling law. 25- What is the result of electrostimulation of baroreceptors of carotid sinus in an experimental dog? a) Expansion of the vessels. b) Vasoconstriction c) Increase in the frequency of heart beating. d) Increase of the minute volume (cardiac output) e) Increase in the systolic volume. 26- Which of the following best characterizes the capillary hydrostatic pressure? a) It is about 10 mmHg at arterial end and 30 mmHg at the venous end. b) It is the main inward starling forces at the capillaries. c) It equals the capillary osmotic pressure of plasma proteins. d) It helps filtration of the fluids from the capillaries to the interstitium. e) Its redaction is associated with high lymph flow. 27- The venous circulation is characterized by.......? a) It is a high-pressure circulation. b) It contains about 30% of blood volume. c) It drains the tissue fluids from tissues to the blood. d) It has a point 5-7 cm below the diaphragm which is not affected by the gravity. e) The venous pressure in skull is + 10 mm Hg. 28- When an adult young male patient was exposed to car accident and the paramedics of the ambulance observed him, they noticed the signs of hemorrhage including which of the following? a) Increase the blood pressure. b) Slow pulse. c) Slow breathing. d) Pale cold skin. e) Increase the urine volume. 29- When someone is getting up from the bed, which of the following mechanisms can mainly keep his arterial blood pressure constant? a) The baroreceptors in the carotid sinus and aortic arch. b) Venoconstriction. c) Accelerated respiration. d) Activation of the sympathetic V.D cholinergic discharge to skeletal muscles. e) Both types of chemoreceptors. 30- Which of the following correctly describes the resistance to blood flow? a) It is inversely proportional to the 2nd power of the radius of the vessel. b) It is indirectly proportional to the length of the vessel. c) It is dependent on the thickness of the vessel wall. d) It is independent of the hematocrit. e) It is directly proportional to blood viscosity. 31- What is the origin of the 1st planter metatarsal artery? a) Planter arch. b) Arcuate artery. c) Medial planter artery. d) Lateral planter artery. e) Dorsalis pedis artery. 32- A 55-year-old male is admitted to the hospital with dyspnea. Imaging and physical examination and echocardiographic studies reveal severe a valve prolapse; this valve surface anatomy is opposite left sternal edge at 4th costal cartilage. What is the affected valve? a) Mitral. b) Tricuspid. c) Pulmonary. d) Aortic. e) Eustachian. 33- After injury to the ulnar artery while it was passing superficial to the flexor retinaculum, which of its branches could be affected? a) Palmar carpal. b) Princeps pollicis. c) Superficial palmar. d) Common interosseous. e) Ulnar recurrent. 34- The papillary muscles and trabeculae carnae are developed from which of the following? a) Body of the sinus venosus. b) Wall of the primitive atrium. c) Wall of the primitive ventricle. d) Distal part of the bulbus cordis. e) Truncus arteriosus. 35- Which of the following veins could be used for the central venous line in a patient with anaphylactic shock? a) Anterior jugular vein. b) Internal jugular vein. c) Basilic vein. d) Cephalic vein. e) Midian cubital vein. 36- A newborn baby is represented by the reversed position of ascending aorta and pulmonary trunk. The baby was diagnosed with transposition of the greater vessels. What is the embryological cause of this case? a) Anterior displacement of the aortico-pulmonary septum b) Failure of the aortico-pulmonary septum to become spiral. c) Failure of development of the aorico-pulmonary septum. d) Failure of development of be interventricular septum. e) Failure of development of septum intermedium. 37. During surgical mauver in the neck, the surgeon temporarily clamped (closed) the subclavian artery distal to scalenus anterior muscle. Which of the following arteries will be affected by this clamping? a) Internal Thoracic. b) Vertebral. c) Thyrocervical trunk. d) Costocervical trunk. e) Axillary. 38- A 60-year-old patient came to the emergency department with severe angina. Upon cardiac catheterization, it was found that he has a significant occlusion in his right coronary artery, just distal to the right sinus of the aortic valve. If the patient is right coronary dominant, which of the following arteries would be most likely to still have normal blood flow? a) Right marginal. b) Sinoatrial nodal artery. c) Anterior interventricular. d) Posterior interventricular. e) Atrioventricular nodal artery. 39- A 55-year-old male patient came to the cardiology clinic complaining from chest pain that started 5 days ago, the physician suspected that he had myocardial infarction. Which one of the following cardiac markers would you recommend measuring to confirm the diagnosis? a) LDH. b) Troponins. c) Creatine kinase. d) Myoglobin. e) AST. 40- A 30-year-old man presents to emergency department with weakness in his right upper and lower extremities. He is diagnosed with an acute middle cerebral artery stroke secondary to atherosclerosis Genetic studies show that he has Familial hypercholesterolemia, type IIa, which of the following is likely to be defective in this patient? a) Apolipoprotein CII b) Apolipoprotein E c) The LDL receptor d) Lipoprotein lipase e) LCAT