Problem: OPTIONS:
- internist
- diagnostician
- infectious disease physician
- pathologist
Q: Q: What type of doctor specializes in the laboratory detection of disease? A:
Answer: pathologist

Problem:OPTIONS:
- reflecting telescopes
- sliding telescopes
- layering telescopes
- refracting telescopes

Q: What are telescopes that use lenses to bend light called? A:
****
A: refracting telescopes

Q: How many electrons does lithium have? A:
OPTIONS:
- four
- seven
- two
- three
three

Q: In contrast to metals, electrical insulators are materials that conduct electricity poorly because their valence bands are what? A:
OPTIONS:
- empty
- large
- half-full
- full

Answer: full

Question: Q: Which organ of our body is harmed if you get meningitis? A:
OPTIONS:
- spleen
- lung
- heart
- brain
Answer: brain

input: OPTIONS:
- tentacles
- exoskins
- scales
- exoskeletons Now, answer this question: Q: What are external skeletons known as? A:
A:
output:
exoskeletons