EXERCISES, LESSON 1
INSTRUCTIONS: Answer the following exercises by marking the lettered response that best answers the exercise, by completing the incomplete statement, or by writing the answer in the space provided at the end of the exercise. After you have completed all of these exercises, turn to “Solutions to Exercises” at the end of the page and check your answers. For each exercise answered incorrectly, reread the material referenced with the solution.
1. Bacilli is an example of a group of one-celled plants called that can cause infection.
a. Bacteria.
b. Fungi.
c. Staphylococcus.
d. Viruses.
2. Communicable diseases that are spread by coughing and sneezing are called:
a. Insect-borne diseases.
b. Intestinal diseases.
c. Miscellaneous diseases.
d. Respiratory diseases.
3. Ensuring a supply of purified water is especially important in controlling:
a. Insect-borne diseases.
b. Intestinal diseases.
c. Respiratory diseases.
d. Sexually transmitted diseases.
4. An example of a disease that is normally transmitted by food, which has come into contact with fecal material from an infected food handler is:
a. Tetanus.
b. Tuberculosis.
c. Typhoid.
d. Typhus.
5. Which of the following defends the body against infection by preventing pathogens from entering the body?
a. Antibiotics.
b. Antibodies.
c. Lymphatic system.
d. Skin.
6. Which one of the following is a sign of infection?
a. Skin is cool to the touch.
b. Swollen tissue.
c. Numbness.
d. Skin has blue tint.
7. The means by which a disease is transmitted is called the:
a. Host.
b. Infection.
c. Reservoir.
d. Vector.
8. The purpose of universal precautions is to protect:
a. Patients.
b. Animals.
c. Health care workers.
d. The local community.
9. There is now a Hepatitis B vaccine.
a. Yes.
b. No.
10. Red bags or red rigid containers may be used as a substitute for the biohazard label when applicable.
a. Yes.
b. No.
SOLUTIONS TO EXERCISES, LESSON 1
1. a (para 1-3a(1)(c))
2. d (para 1-4a)
3. b (para 1-4b; fig 1-3)
4. c (para 1-4b)
5. d (para 1-6a)
6. b (para 1-7a)
7. d (para 1-8d)
8. c (para 1-11c(1))
9. a (para 1-11c(2))
10. a (para 1-12a(2))