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NEW QUESTION 90
A 20 year old woman with known diabetes presents with hypoglycaemia She was given glucagon with good recovery. Which cells ot the pancreas normally secrete this hormone?
- A. Beta
- B. Delta
- C. Exocrine
- D. Alpha
- E. Gamma
Answer: D
NEW QUESTION 91
A patient presents with anaphylaxis requiring adrenaline She is markedly vasodilated Which substance is most likely to be responsible for this appearance?
- A. Leukotrienes
- B. Prostaglandin
- C. Histamine
- D. Tumour necrosis factor alpha
- E. Platelet activating factor.
Answer: C
NEW QUESTION 92
A 52 year old man presents to the ED with headaches, sweating and a change in his voice. He is complaining of tingling in his hands and is hypertensive What is the most likely visual defect you will find on neurological examination'?
- A. Homonymous hemianopia
- B. Bitemporal hemianopia
- C. Superior quadrantanopia
- D. Monocular vision
- E. Central scotoma
Answer: A
NEW QUESTION 93
A patient presents with acute cardiac failure and is prescribed a loop diuretic In which part of the nephron will the diuretic inhibit the sodium-potassium-chloride cotransporter?
- A. Thin ascending limb
- B. Proximal tubule
- C. Distal convoluted tubule
- D. Thick ascending limb
- E. Collecting duct
Answer: D
NEW QUESTION 94
A patient presents following a stabbing to his chest and has a cardiac arrest You perform an anterolateral thoracotomy. Which muscle in addition to pectoralis major are you most likely to incise?
- A. Pectoralis minor
- B. Subclavius
- C. Serratus anterior
- D. Teres major
- E. Latissimus dorsi
Answer: C
NEW QUESTION 95
A 34 year old man presents with bruising and swelling over the anterior arm after lifting weights at the gym.
There is pain and weakness on attempted internal rotation and adduction of the shoulder.
Rupture of which muscle best explains these findings?
- A. Pectoralis minor
- B. Serratus anterior
- C. Pectoralis major
- D. Trapezius
- E. Latissimus dorsi
Answer: A
NEW QUESTION 96
You have achieved haemostasis of a wound A medical student asks you about the subsequent inflammatory response. Which is the predominant cell type in this phase?
- A. Fibroblasts
- B. Macrophages
- C. Platelets
- D. Neutrophils
- E. Lymphocytes
Answer: D
NEW QUESTION 97
A two year old child presents with a barking cough You suspect croup Which virus is most likely to be implicated?
- A. Respiratory syncytial virus
- B. Rhinovirus
- C. Adenovirus
- D. Parainfluenza
- E. Measles
Answer: D
NEW QUESTION 98
A 50 year old man complains of pain and reduced movements of the shoulder joint after a fall. He is unable to initiate abduction of his arm Which muscle is most likely to be injured?
- A. Subscapulars
- B. Deltoid
- C. Serratus anterior
- D. Trapezius
- E. Supraspinatus
Answer: E
NEW QUESTION 99
A 35 year old man attends after a motorbike accident. He is complaining of abnormal vision and his right eye is slightly adducted when he looks straight ahead.
Which cranial nerve has suffered the most damage?
- A. Trochlear
- B. Superior division of oculomotor
- C. Inferior division of oculomotor
- D. Trigeminal
- E. Abducens
Answer: E
NEW QUESTION 100
You are administering intravenous normal saline to a patient in the resus room.
What change in volume occurs within the body's fluid compartments whilst giving this treatment?
- A. Increased intracellular
- B. Reduced extracellular
- C. Increased extracellular
- D. Increased interstitial
- E. Reduced intracellular
Answer: C
NEW QUESTION 101
An 80 year old man presents with a stroke This has resulted in loss of all vagal output to his gastrointestinal tract Which function is most likely to be completely abolished in this patient?
- A. Glucagon release
- B. Gastric acid secretion
- C. Primary oesophageal peristalsis
- D. Secondary oesophageal peristalsis
- E. Pancreatic polypeptide secretion
Answer: D
NEW QUESTION 102
A patient presents to the ED a few days after a significant head injury He is polyuric with hypernatremia and high plasma osmolality Which hormone is most likely to cause this picture?
- A. Adrenocorticotropic
- B. Corticotropm-releasing
- C. Dopamine
- D. Vasopressin
- E. Somatostatin
Answer: D
NEW QUESTION 103
A patient presents with an arrhythmia and as you are treating them you discuss with a student the depolarisation phase of the cardiac action potential Which change initiates this phase of the action potential?
- A. Closure of potassium channel
- B. Opening of sodium channel
- C. Opening of calcium channel
- D. Opening of potassium channel
- E. Closure of sodium channel
Answer: B
NEW QUESTION 104
A 75 year old man presents to the ED with burning epigastric abdominal pain You note that he has rheumatoid arthritis and is on diclofenac.
Which step would have been the most beneficial in preventing the development ot ulcers in this patient?
- A. Use of enteric coated medication
- B. Eradication of Helicobacter pylori
- C. Starting misoprostol
- D. Combining diclofenac with omeprazole
- E. Change diclofenac to indomethacm
Answer: E
NEW QUESTION 105
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