General Knowledge MCQs
Topic Notes: General Knowledge
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
31
Rickets is caused by a deficiency in which vitamin?
Answer:
Vitamin D
Vitamin D is essential for calcium absorption; its deficiency leads to soft and weak bones (rickets) in children.
32
What is the purpose of a 'Cochlear Implant'?
Answer:
To provide a sense of sound to a person who is profoundly deaf
A cochlear implant bypasses damaged portions of the ear and directly stimulates the auditory nerve.
33
Which vector transmits Dengue fever, Chikungunya, Zika, and Yellow Fever?
Answer:
Aedes aegypti mosquito
The *Aedes aegypti* (and *Aedes albopictus*) mosquito is the primary vector for these viral diseases.
34
Who was the first woman to receive a medical degree in the United States (1849)?
Answer:
Elizabeth Blackwell
Elizabeth Blackwell graduated from Geneva Medical College in New York, paving the way for women in medicine.
35
Which medical procedure uses a machine to filter waste products from the blood when the kidneys fail?
Answer:
Dialysis
Hemodialysis involves diverting blood to a machine to be cleaned of toxins and excess fluid before being returned to the body.
36
The historical practice of 'Quarantine' originated from the Italian word for:
Answer:
Forty (days)
The word comes from *quarantena*, meaning 'forty days', the period ships were required to isolate before entering Venice during the Black Death.
37
What is the medical term for the sorting of patients according to the urgency of their need for care?
Answer:
Triage
Triage involves prioritizing patients based on the severity of their condition to maximize the number of survivors, often used in battlefields or disasters.
38
What refers to the effect where a patient's condition improves because they believe they are receiving treatment, even though they are receiving a fake one?
Answer:
Placebo effect
The placebo effect is a beneficial effect produced by a placebo drug or treatment, which cannot be attributed to the properties of the placebo itself.
39
Who founded the International Committee of the Red Cross and received the first Nobel Peace Prize?
Answer:
Henry Dunant
Witnessing the Battle of Solferino, Dunant was inspired to create an organization to care for the wounded, leading to the Red Cross and the Geneva Conventions.
40
Which African sleeping sickness is transmitted by the bite of the:
Answer:
Tsetse fly
Human African trypanosomiasis, or sleeping sickness, is transmitted by the tsetse fly found in sub-Saharan Africa.