Fill in the blank with an appropriate option.
In humans, lack of sleep leads to ______ memory and reduced cognitive abilities.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 3 i.e.impaired.
Context: The sentence talks about the negative effect of lack of sleep on memory and cognitive abilities. So, a word meaning "weakened" or "damaged" fits best.
Meaning of the words:
Attended: to be present at or go to.
Impaired: weakened or damaged.
Thankless: not receiving gratitude.
Witnessed: observed or seen.
Correct word: Impaired
Reason: Lack of sleep causes damage or weakening of memory and cognitive abilities, so "impaired" fits perfectly.
Final Sentence: In humans, lack of sleep leads to impaired memory and reduced cognitive abilities.
Hence, the chosen option is correct.
|
|