Essential Concepts for Healthy Living, Fourth Edition

Please read each question and select your answer from the choices provided. You must complete all of the questions in order to view your results. At the end of each exam, you have the option to e-mail your results to your instructor.

1: Which of the following infections is caused by fungi?
	A: cold sores
	B: athlete's foot
	C: strep throat
	D: genital herpes

2: A vector is
	A: an organ that is part of the immune system.
	B: a non-human organism that transmits disease.
	C: a treatment that provides passive immunity.
	D: the core part of a virus that contains DNA.

3: Which of the following factors does not cause noninfectious diseases?
	A: exposure to pathogens
	B: abnormal hereditary material
	C: lifestyle practices
	D: environmental factors

4: Inherited diseases
	A: are transmitted via genes from parents to offspring.
	B: often occur among close relatives.
	C: can occur as a result of mutations in parental sex cells.
	D: all of the above

5: ____ is the most common, lethal genetic disease in the Caucasian population.
	A: Huntington disease
	B: Carpal tunnel syndrome
	C: Cystic fibrosis
	D: Asthma

6: Which of the following links is not in the chain of infection?
	A: host
	B: pathogen
	C: pollution
	D: transmission

7: Which of the following activities is a good way to transmit a communicable disease?
	A: shaking hands
	B: sharing eating utensils
	C: coughing on others
	D: all of the above

8: Which of the following signs or symptoms is not associated with a local inflammation?
	A: redness
	B: fever
	C: swelling
	D: pain

9: ____ are foreign proteins (such as parts of pathogens) that serve as triggers for the immune system.
	A: Antibodies
	B: Antihistamines
	C: Antigens
	D: Antidotes

10: The cell-mediated portion of the immune system reacts to
	A: intracellular antigens.
	B: viruses.
	C: tumor cells.
	D: all of the above

11: Which of the following actions is an example of acquiring passive immunity naturally?
	A: being immunized with a vaccine
	B: obtaining antibodies from breastmilk while being breastfed
	C: recovering from the chickenpox
	D: receiving an injection of antibodies

12: Antibiotics kill or inhibit the growth of
	A: viruses.
	B: bacteria.
	C: antigens.
	D: antibodies.

13: Contracting an STI is more likely when a person
	A: shares dirty towels.
	B: bathes infrequently.
	C: has other STIs.
	D: masturbates frequently.

14: A person who is infected with HIV
	A: has Kaposi's sarcoma.
	B: can appear to be healthy.
	C: is very sick.
	D: has AIDS.

15: A woman has an outbreak of painful blisters and sores on the skin around her genitals. She also has headache, fevel, and weakness. After several days, the blisters heal without treatment, and she feels well again. Three months later, however, the painful blisters reappear. Based on this information, she probably has
	A: herpes.
	B: PID.
	C: gonorrhea.
	D: syphilis.

16: Which of the following STIs can be cured with antibiotics?
	A: HIV infection
	B: genital warts
	C: syphilis
	D: herpes

17: One of the most prevalent bacterial STIs in the United States is
	A: syphilis.
	B: chlamydial infection.
	C: herpes.
	D: HIV.

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