Dental Assisting Iowa Rda Test
1. What is the difference between gram-positive and gram-negative
bacteria?
Correct Answer: If stained by dye it is gram-positive. If not stained by dye
it is gram-negative
2. What is the difference between aerobes and anaerobes?
Correct Answer: Aerobes require oxygen to grow. Anaerobes grow in the
absence of oxygen
3. What is the significance of spores? Why is it important in
dentistry to have an understanding about spores?
Correct Answer: Most resistant form of life known. If spores are destroyed,
all forms of life are destroyed.
4. What are the three classifications of microorganisms of concern in
dentistry?
Correct Answer: Bacteria, Viruses, Fungi
5. What microorganisms cause tuberculosis?
Correct Answer: Bacteria (bacilli)
6. In what organ of the body is tuberculosis most often found?
Correct Answer: Lungs
7. List three diseases of major concern in dentistry that are caused
by viruses.
Correct Answer: Herpes
,Hepatitis
AIDS
8. How is HIV mainly transmitted?
Correct Answer: Blood, Semen
9. Is it more difficult to destroy HIV or Hepatitis B virus?
Correct Answer: Hepatitis B
10. Whish disease of concern in dentistry can be cured?
Correct Answer: Tuberculosis
11. Which types of viral Hepatitis are vaccines available for?
Correct Answer: A, B, & D (by being vaccinated against Hep B)
12. What is the major source of microorganisms in the dental office?
Correct Answer: Saliva, respiratory secretions and blood in the mouths of
patients
13. How can microorganisms be spread from one person to another?
Correct Answer: Direct contact
Indirect contact
Droplet infection
14. How can microorganisms enter a person’s body?
Correct Answer: inhalation, ingestion, mucous membranes, breaks in the
skin
, 15. What is acquired immunity?
Correct Answer: The defense system that responds after an infection has
occurred
16. What 3 Vaccines are available for preventing disease?
Correct Answer: Tetanus
Influenza
Hepatitis B
17. How often should tetanus boosters be given?
Correct Answer: Every 10 years or earlier of traumatic injury occurs
18. Should healthcare workers be vaccinated against influenza?
Correct Answer: Yes
19. How often must an individual receive an influenza vaccine?
Correct Answer: Yearly
20. Who should not receive an influenza vaccine?
Correct Answer: Those with allergies to eggs
21. What 2 vaccines are available against Hepatitis B?
Correct Answer: Recombivax HB
Engerix B
1. What is the difference between gram-positive and gram-negative
bacteria?
Correct Answer: If stained by dye it is gram-positive. If not stained by dye
it is gram-negative
2. What is the difference between aerobes and anaerobes?
Correct Answer: Aerobes require oxygen to grow. Anaerobes grow in the
absence of oxygen
3. What is the significance of spores? Why is it important in
dentistry to have an understanding about spores?
Correct Answer: Most resistant form of life known. If spores are destroyed,
all forms of life are destroyed.
4. What are the three classifications of microorganisms of concern in
dentistry?
Correct Answer: Bacteria, Viruses, Fungi
5. What microorganisms cause tuberculosis?
Correct Answer: Bacteria (bacilli)
6. In what organ of the body is tuberculosis most often found?
Correct Answer: Lungs
7. List three diseases of major concern in dentistry that are caused
by viruses.
Correct Answer: Herpes
,Hepatitis
AIDS
8. How is HIV mainly transmitted?
Correct Answer: Blood, Semen
9. Is it more difficult to destroy HIV or Hepatitis B virus?
Correct Answer: Hepatitis B
10. Whish disease of concern in dentistry can be cured?
Correct Answer: Tuberculosis
11. Which types of viral Hepatitis are vaccines available for?
Correct Answer: A, B, & D (by being vaccinated against Hep B)
12. What is the major source of microorganisms in the dental office?
Correct Answer: Saliva, respiratory secretions and blood in the mouths of
patients
13. How can microorganisms be spread from one person to another?
Correct Answer: Direct contact
Indirect contact
Droplet infection
14. How can microorganisms enter a person’s body?
Correct Answer: inhalation, ingestion, mucous membranes, breaks in the
skin
, 15. What is acquired immunity?
Correct Answer: The defense system that responds after an infection has
occurred
16. What 3 Vaccines are available for preventing disease?
Correct Answer: Tetanus
Influenza
Hepatitis B
17. How often should tetanus boosters be given?
Correct Answer: Every 10 years or earlier of traumatic injury occurs
18. Should healthcare workers be vaccinated against influenza?
Correct Answer: Yes
19. How often must an individual receive an influenza vaccine?
Correct Answer: Yearly
20. Who should not receive an influenza vaccine?
Correct Answer: Those with allergies to eggs
21. What 2 vaccines are available against Hepatitis B?
Correct Answer: Recombivax HB
Engerix B
