Nokea
Which of the following drugs have no mortality benefit?
- A. Nitrates
- B. Beta-blockers
- C. Trimetazidine
- D. RAAS blockers
Correct Answer: C
Rationale: Trimetazidine is used as an adjunct therapy in ischemic heart disease but does not have a proven mortality benefit, unlike RAAS blockers, beta-blockers, and nitrates.
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Which occurs in septic shock?
- A. Hypothermia
- B. Increased cardiac output
- C. Vasoconstriction
- D. Angioneurotic edema
Correct Answer: B
Rationale: Increased cardiac output, which results in warm, flushed skin, is one of the manifestations of septic shock. Fever and chills are characteristic of septic shock. Vasodilation is more common than vasoconstriction. Angioneurotic edema occurs as a manifestation in anaphylactic shock.
Right to left shunts include:
- A. Fallot's tetralogy
- B. Tricuspid atresia
- C. Eisenmenger complex
- D. Ductus arteriosus in the fetus
Correct Answer: A
Rationale: Fallot's tetralogy is a congenital heart defect that includes a right-to-left shunt, allowing deoxygenated blood to bypass the lungs.
The formula to predict the maximum predicted heart rate for Treadmill exercise testing in CAD patients on beta blockers is X - (0.7 X Age). The value of X is
- A. 174
- B. 164
- C. 184
- D. 154
Correct Answer: B
Rationale: The value of X is 164 in the formula for predicting maximum heart rate in CAD patients on beta blockers.
In infantile eczema:
- A. The rash is characteristically present at birth
- B. The papules are itchy
- C. Cold weather relieves the symptoms
- D. A family history of related disorders is elicited in 70% of cases
Correct Answer: B
Rationale: Infantile eczema is itchy and often associated with a family history of atopy. The rash is not present at birth, and cold weather can exacerbate symptoms.
In febrile convulsions:
- A. Familial predisposition is the same as in idiopathic epilepsy
- B. Carbamazepine achieves good seizure control
- C. Shigella dysentery may be a cause
- D. Deafness can occur if seizure is prolonged
Correct Answer: C
Rationale: Shigella dysentery, a bacterial infection, can cause febrile convulsions in children due to the high fever associated with the infection.