UCAT General Knowledge 5

Question 1

Which of the following is a risk factor for cardiovascular disease?

Accepted Answer

Hypertension

Answer

Hypertension (high blood pressure) damages arterial walls over time, significantly increasing the risk of heart attack and stroke.

Question 2

What does the term 'epidemiology' refer to?

Accepted Answer

The study of distribution and determinants of health events in populations

Answer

Epidemiology examines how diseases are distributed across populations and what factors determine that distribution.

Question 3

Which of the following correctly defines 'mortality rate'?

Accepted Answer

The proportion of individuals with a disease who die from it

Answer

Mortality rate (case fatality rate) is the proportion of people who die from a disease among all confirmed cases.

Question 4

A patient has a fractured femur. Which part of the body is affected?

Accepted Answer

Thigh

Answer

The femur is the thigh bone — the longest and strongest bone in the human body, located between the hip and knee.

Question 5

Which of the following is an autoimmune disease?

Accepted Answer

Rheumatoid arthritis

Answer

In rheumatoid arthritis, the immune system mistakenly attacks the synovial lining of joints, causing chronic inflammation.

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