Biology (Mader), 10th Edition

Objective: Identify the value of bone marrow stem cell research and its applications to restoring lost heart muscle in patients suffering from myocardial infarction (heart attack).

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1.		What is the untreatable after effects of a heart attack?
			A)	elevated blood pressure
			B)	damage to the muscle tissue that was deprived of oxygen
			C)	an increase in pulse rate for several months
			D)	change in color to the skin
2.		Treatments after a heart attack include which of the following?
			A)	Monitoring blood glucose levels
			B)	Drugs to control kidney filtration rate
			C)	Measures to maintain open blood vessels
			D)	Complete bed rest
3.		What type of tissues can adult mesenchymal bone stem cells give rise to?
			A)	bone
			B)	fat
			C)	muscle
			D)	two of the above tissues
			E)	all of these tissues
4.		What are the advantages in using adult bone stem cells over embryonic stem cells?
			A)	easier to produce in culture
			B)	can differentiate into varieties of cell lines
			C)	avoid the ethical controversies
			D)	two of the above
			E)	all of the above
5.		How does the adult bone marrow stem cells find their way to the damaged heart tissue?
			A)	They are surgically implanted in the heart tissue where the specific damage occurred.
			B)	They are delivered by a biopsy needle directly into the heart.
			C)	A virus vector injected into the blood stream then carries the stem cell genetic information body to the heart.
			D)	Intravenously administered and attracted to chemical injury signals from the damaged heart cells.