The circulation of blood was discovered by?

Appeared in: RUHS, Jaipur, M.Sc Nursing Entrance Exam-2019

Explanation

William Harvey (1578–1657) was an English physician who is credited with the first complete and detailed description of the systemic circulation.
In his 1628 publication, De Motu Cordis (On the Motion of the Heart), he provided evidence that the heart functions as a pump.
He demonstrated that blood flows in a continuous, one-way circuit from the heart through the arteries and returns to the heart through the veins, a revolutionary concept at the time.

Option A: Charles Darwin was a naturalist, not a physician in this context. His primary contribution was the theory of evolution by natural selection, published in 'On the Origin of Species' in 1859.
Option B: Aristotle was an ancient Greek philosopher and scientist. While he made significant contributions to biology and is considered one of its founders, his understanding of the circulatory system was inaccurate. He believed the heart was the seat of intelligence and that blood was synthesized from food in the liver.
Option D: Louis Pasteur was a 19th-century French biologist and chemist. He is renowned for his discoveries in microbiology, including the germ theory of disease and the process of pasteurization.

Clinical Relevance

Nursing practice connection: Knowing History of Medicine and Scientific Discoveries helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Understanding blood circulation is the foundation of cardiovascular care and numerous nursing skills.
Basic nursing procedures such as measuring pulse and blood pressure are direct assessments of the circulatory system's function, which was first described by Harvey.
Advanced practices like administering IV fluids, blood transfusions, and cardiac medications all rely on the principle of a closed, continuous circulatory system.

How to Approach the Question

Identify the core of the question: it asks for the discoverer of a specific physiological process ('circulation of blood').
This is a factual recall question related to the history of medicine.
Review the names provided in the options and recall their major scientific contributions.
Match the discovery (blood circulation) with the correct historical figure (William Harvey).
Mentally eliminate the other options by recalling their famous discoveries: Darwin (evolution), Aristotle (philosophy/early biology), and Pasteur (germ theory).

Concept Tested & Keywords

QUHMBkUMmIi-HwSxn2xIBu

E6 Pathology-Textbook of PATHOLOGYHarsh Mohan Part 1 (1-214) p. 27-29

E6 Microbiology Essentials Sastry 4e Part 1 p. 26-28

Practise the full RUHS, Jaipur, M.Sc Nursing Entrance Exam-2019

Attempt every question from this paper in a timed mock, then review the full solution for each one.