Which statement BEST describes how cancers are classified? A. Cancers are classified according to the type of tissue they affect. B. Cancers are classified according to the rate at which they grow. C. Cancers are classified by how many organs they affect. D. Cancers are classified by the size of the cells that are involved. Please select the best answer from the choices provided.
An individual is infected with a pathogen that absorbs nutrients from its environment. In which category does this pathogen belong? A.bacteriaB.fungiC.protozoaD.virus
Vector contact involves contact with __________. A. an infected surface B. contaminated water C.an infected organism D. a carrier organism
Which of the following is NOT a true statement about noncommunicable diseases? A. Noncommunicable diseases are responsible for many deaths. B. Noncommunicable diseases cause the body systems to fail. C. Noncommunicable diseases can be transmitted from one person to another. D. Noncommunicable diseases develop over time. Please select the best answer from the choices provided.
What are the odds of nonsmokers developing cardiovascular disease when compared to smokers? A. Nonsmokers are four times more likely to develop cardiovascular disease. B. Nonsmokers are twice as likely to develop cardiovascular disease. C. Nonsmokers and smokers are equally likely to develop cardiovascular disease. D. Nonsmokers are half as likely to develop cardiovascular disease. Please select the best answer from the choices provided.
Doctors often advise a combination of treatments to eradicate an infection and treat symptoms.
Describe five possible treatments for cancer.
Which of the following is known to increase an individual's chances of developing certain cancers? A. eating too much fish B. drinking too much coffee C. consuming alcohol D. eating a low fat diet Please select the best answer from the choices provided.
Which statement BEST describes a treatment for a contagious illness? A. Bacteria, molds, or synthetic substances are used to create antibiotics, which are the most successful treatment for bacterial illnesses. B. Viral infections are best treated with antibiotics and vaccines, which are made from the pathogen that they are meant to treat. C. Treatment for fungal infections is made from different forms of molds, which can be taken orally or topically. D. Vaccines are made from molds and bacteria and are used to treat and prevent different viral infections.
Which of the following hereditary diseases involves multiple genetic mutations?A.complexB.chromosomalC.single-geneD.autoimmune
Which of the following results from an incomplete chromosome?A.complex diseaseB.chromosomal diseaseC.single-gene diseaseD.immune disorder
Which statement BEST defines the term cancer? A. Cancers occur when normal cells grow rapidly. B. Cancers are normal growths that occur in all tissues. C. Cancers are tissues that grow in abnormal places. D. Cancers occur when abnormal cells grow uncontrollably. Please select the best answer from the choices provided.
A rapid, irregular heartbeat is a symptom of __________.A.high blood pressureB.strokeC.atherosclerosisD.heart failure
Why is high blood pressure known as "the silent killer"?A.It generally shows no symptoms.B.It kills people while they sleep.C.It generally increases the risk of heart attacks.D.It kills by cutting off the airways.
Explain what distinguishes a stroke from a heart attack.
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