All of the following may occur due to hyperkalemia except:
A. Prolonged PR interval
B. Prolonged QRS interval
C. Prolonged QT interval
D. Ventricular asystole
Correct answer : C. Prolonged QT interval
All of the following are risk factors for atherosclerosis except:
A. Increased waist hip ratio
B. Hyperhomocysteinemia
C. Decreased fibrinogen levels
D. Decreased HDL levels
Correct answer : C. Decreased fibrinogen levels
Atherosclerosis risk is increased with increase in fibrinogen levels.
True regarding dengue fever
A. It is both epidemic and endemic
B. Most common arbo virus infection
C. Can survive in ambient temperature
D. Incidence is decreasing in India for past 2-3 decades
E. ??
Please contribute to the discussion by posting the answer with references and pointing out any errors in the question!
True regarding cardiac tamponade is?
A. Kussumal sign positive
B. Widened mediastinum
C. Steep y descent absent
D. Pulsus alternans
E. Muffled heart sounds
Please contribute to the discussion by posting the answer with references and pointing out any errors in the question!
All of the following are major complications of massive transfusion, except:
A. Hypokalemia
B. Hypothermia
C. Hypomagnesemia
D. Hypocalcemia
Correct answer :A. Hypokalemia
Massive transfusions can cause hyperkalemia due to loss of potassium from the transfused red cells.
A patient with leukemia on chemotherapy develops acute right lower abdominal pain associated with anemia, thrombocytopenia and leukopenia. Which of following is the clinical diagnosis?
A. Appendictis
B. Leukemic colitis
C. Perforation peritonitis
D. Neutropenic colitis
Correct answer : D. Neutropenic colitis
Acute right lower abdominal pain in an immunocompromised patient after chemotherapy is characteristic of neutropenic colitis.
All of the following statements regarding primary effusion lymphoma are true except:
A. It generally presents in elderly patients
B. There is often an association with HHV 8
C. The proliferating cells are NK cells
D. Patients are commonly HIV positive
Correct answer :C. The proliferating cells are NK cells
Primary effusion lymphomas are aggressive malignancies that present as serous effusion without any tumour mass.
An 18-year-old male presented with acute onset descending paralysis of 3 days duration. There is also a history of blurring of vision for the same duration. On examination, the patient has
quadriparesis with areflexia. Both the pupils are non reactive. The most probable diagnosis is:
a) Poliomyelitis
b) Botulism
c) Diphtheria
d) Porphyria
Correct answer : b) Botulism
The important features of the patient are descending paralysis, blurring of vision and non reactive pupils. Descending paralysis is caused by 3 of the conditions mentioned – polio, botulism, and diphtheria. Diphtheria and botulism can cause ocular symptoms. But only botulism will result in a non reactive pupil. Hence the diagnosis of botulism!
Episodic generalized weakness can occur due to all of the following acute electrolyte disturbances, except:
a) Hypokalemia
b) Hypocalcemia
c) Hyponatremia
Correct answer : b) Hypocalcemia
Electrolyte imbalances which result in Episodic generalized weakness:
Hyperkalemia
Hypokalemia
Hypernatremia
Hyponatremia
Hypercalcemia
Hyperphosphatemia
Hypermagnesemia