“He should use an electric razor for shaving instead of a razor.”
“We will use soft-bristled toothbrushes or tooth sponges for oral care.”
“He can no longer take aspirin or aspirin-containing products for a headache.”
“We should put rugs down on the hardwood floors to prevent his feet from getting cold.”
Number 4 is correct.
Injury prevention is important for this client. Throw rugs should be avoided because of the potential to trip and fall. Options 1, 2, and 3 are appropriate safety measures for the client with thrombocytopenia.