Lymph nodes normally contain ____, which function to engulf invading organisms
a. erythrocytes
b. macrophages
c. platelets
d. neutrophils
e. basophils
ANSWER: b
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White matter consists of:
a. cell bodies b. dendrites c. axon terminals d. myelinated axons e. meninges
Which of the following is true concerning root
nodules? a. They may kill a plant. b. They are produced by a fungus. c. They remove nitrogen compounds from the plant. d. They convert the harmful ammonia that plant cells produce into gaseous nitrogen. e. None of these are true
Should the cost of treatment for a genetic disorder be an important consideration for insurance companies when
deciding whether or not to cover the treatment? Justify your reasoning. What will be an ideal response?
You are more likely to develop some form of cancer if you
A. are exposed to higher doses of radiation including X-rays. B. have a high incidence of cancer in your family history. C. are exposed to carcinogens. D. All of the choices are correct.