Question

1. Tachyarrhythmias are commonly caused by the reentry phenomenon (one-way block). TRUE or FALSE

2. Cholelithiasis may result from the precipitation of uric acid in the gall bladder. TRUE or FALSE

3. Which of the following is NOT a major cause of jaundice?
A) obstruction of bile flow in the canaliculi of the hepatic lobules or in the intra or extra-hepatic bile ducts
B) decreased conjugation of bilirubin
C) excessive destruction of white blood cells
D) impaired uptake of bilirubin by liver cells

4. Angina due to walking up a flight of stairs is probably due to which of the following?
A) unstable angina
B) variant angina
C) silent angina
D) classic angina

5. In high blood pressure myocardial perfusion decreases due to which of the following?
A) a decrease in wall tension due to increase in chamber pressure
B) increase in wall tension due to decreased radius
C) increase in wall tension due to increased radius
D) increase in wall tension due to increase in chamber pressure

Answer 1

1. True .

Tachyarrythmia most common cause is re-entry phenomenon. Supraventricular tachycardia.

2.False

Uric acid cause kidney stone .

Gallery stone mainly cholesterol , pigmented, calcium stone

3.c) destruction of WBC

Major causes of jaundice

1) obstruction to flow of bile

2) decrease uptake of bilirubin

3)decrease conjugation

4) destruction of RBC ( hemolysis)

4. Ans. Stable angina

Angina are 3 types .

A) AT REST - Variant angina

B) At emotional stress, heavy exercise , flight of stairs - stable angina

C ) due to atherosclerosis- both exercise and rest - unstable angina .

D) angina without symptom inspire low O2 supply to heart is SILENT ANGINA

Given example is classical angina ,typical angina that is stable type .

5. B) Increase in wall tension due to decrease radius

In high BP there is pressure on left ventricular wall ...result in thickening ..

Increase wall tension and radius decreases

Pressure increases and compromise blood supply to heart wall.