Tag: science & technology

Questions Related to science & technology

Multiple choice general knowledge science & technology
  1. Is usually felt in the chest

  2. Discomfort, heaviness, pressure, aching, burning, fullness, squeezing or painful feeling in the chest

  3. Occurs more frequently, more easily at rest, feel more severe, or lasts longer

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Angina pectoris is chest pain or discomfort due to coronary heart disease. It manifests as pressure or squeezing (distractor 2) and can become unstable (distractor 3) when occurring at rest or with increased frequency.

Multiple choice general knowledge science & technology
  1. Malignant hypertension

  2. Hypotension

  3. Hypertension

  4. Malignant hypotension

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Hypertension is the medical term for chronically elevated blood pressure. Hypotension refers to low blood pressure, which is the opposite condition. Malignant hypertension is a severe form of high blood pressure, but not the general term.

Multiple choice general knowledge science & technology
  1. Jaundice and liver failure

  2. Chills and small, spider-like blood vessels visible in the skin

  3. Dark urine and pale stool

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All the listed symptoms can occur with liver disease. Jaundice results from excess bilirubin buildup when the liver cannot process it properly. Spider angiomas are characteristic vascular changes caused by liver dysfunction. Dark urine and pale stool indicate problems with bile flow and processing.

Multiple choice general knowledge science & technology
  1. Swollen eyelids

  2. Eye pain

  3. The "eyes are stuck shut" syndrome soon after awaking from sleep

  4. Watery eyes

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Pink eye (conjunctivitis) commonly causes discharge that dries and seals eyelids shut during sleep, creating the classic 'stuck shut' appearance upon waking. While watery eyes, swelling, and eye pain can occur, the matting of eyelids is the most distinctive and common presentation in children.

Multiple choice general knowledge science & technology
  1. A medical condition characterized by oscillations between severely depressed and severely elevated moods

  2. A medical condition characterized by severely depressed mood

  3. A medical condition characterized by severely elevated mood

  4. A medical condition characterized by antisocial behavior and sporadic psychotic breaks

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Mania is a psychological state characterized by abnormally elevated arousal, affect, and energy levels. While bipolar disorder involves oscillations (distractor 1), mania itself refers specifically to the elevated state.

Multiple choice general knowledge science & technology
  1. Charles Darwin

  2. Stephen Hawking

  3. Sir Alexander Fleming

  4. Louis Pasteur

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Charles Darwin wrote 'The Origin of Species' (1859), which presented the theory of evolution by natural selection. Fleming discovered penicillin, Pasteur developed pasteurization and vaccines, and Hawking is a theoretical physicist.