A residential facility provides care for ten people diagnosed with dementia. About how many of these patients have Alzheimer's disease?

What does the release of the "stress hormones" cortisol, epinephrine, and norepinephrine lead to in the long term?

a) increased digestive system activity b) reduced effectiveness of the immune system c) decreased levels of calcium, which leads to loss of bone mass d) increased hormone levels to the point where the body can no longer dispose of them

If there are two dissimilar chromosomes in the 23rd pair, we can say that this infant

a. has Down's syndrome c. is a girl b. will not survive d. is a boy