1|Page
PHM 550 E1 - Self Study Exercises APHA
Immunization Modules 1-3
Exam | Latest Complete Exam Questions With
Answers |2025
Which of the following patients would be an appropriate candidate for
*Revaccination w/ PPSV23*?
a) 78yo pt who received 1st dose of PPSV23 at 68yo
b) 70yo pt who received 1st dose of PPSV23 at 65yo
c) 67yo pt who received 1st dose of PPSV23 at 63yo
d) 66yo pt who received 1st dose of PPSV23 at 61yo - Correct-answer-d) 66yo pt
who received 1st dose of PPSV23 at 61yo
*Explanation:* According to the current ACIP recommendations, revaccination w/
*PPSV23* should be considered for a pt aged *65 years or older* ONLY if the pt
received the initial dose (or doses) *MORE than 5 years ago* & *was younger
than 65yo* at the time of the initial dose(s). This pt meets all *3 criteria* for
revaccination w/ PPSV23: he/she is NOW 65yo or older, *5 years have passed
since the initial dose*, & the pt was *younger than 65yo* when he/she received
the initial dose
,2|Page
[Module 3]
Identify which vaccine (DTaP, Tdap, Td, DT, or none) the pt should receive for
adequate protection against tetanus, diphtheria, &/or pertussis.
*12yo Boy:* According to his immunization record, the pt received the *primary
series of DTaP*, w/ the last DTaP given 6 years ago. There is no record of any
previous adverse reactions to doses of DTaP.
a) DTaP
b) Tdap
c) Td
d) DT
c) None - Correct-answer-b) Tdap
[Module 3]
Identify which vaccine (DTaP, Tdap, Td, DT, or none) the pt should receive for
adequate protection against tetanus, diphtheria, &/or pertussis.
, 3|Page
*32yo Mother of a Toddler*: According to her immunization record, the last *Td*
dose was 4 years ago. There is NO record of a Tdap dose & NO history of previous
reactions following prior booster doses.
a) DTaP
b) Tdap
c) Td
d) DT
c) None - Correct-answer-b) Tdap
[Module 3]
Identify which vaccine (DTaP, Tdap, Td, DT, or none) the pt should receive for
adequate protection against tetanus, diphtheria, &/or pertussis.
*5yo Girl*: According to her immunization record, the last *DTaP* dose was at
*18 months* of age. There is no record of any previous reactions following prior
doses of DTaP.
a) DTaP
b) Tdap
c) Td
PHM 550 E1 - Self Study Exercises APHA
Immunization Modules 1-3
Exam | Latest Complete Exam Questions With
Answers |2025
Which of the following patients would be an appropriate candidate for
*Revaccination w/ PPSV23*?
a) 78yo pt who received 1st dose of PPSV23 at 68yo
b) 70yo pt who received 1st dose of PPSV23 at 65yo
c) 67yo pt who received 1st dose of PPSV23 at 63yo
d) 66yo pt who received 1st dose of PPSV23 at 61yo - Correct-answer-d) 66yo pt
who received 1st dose of PPSV23 at 61yo
*Explanation:* According to the current ACIP recommendations, revaccination w/
*PPSV23* should be considered for a pt aged *65 years or older* ONLY if the pt
received the initial dose (or doses) *MORE than 5 years ago* & *was younger
than 65yo* at the time of the initial dose(s). This pt meets all *3 criteria* for
revaccination w/ PPSV23: he/she is NOW 65yo or older, *5 years have passed
since the initial dose*, & the pt was *younger than 65yo* when he/she received
the initial dose
,2|Page
[Module 3]
Identify which vaccine (DTaP, Tdap, Td, DT, or none) the pt should receive for
adequate protection against tetanus, diphtheria, &/or pertussis.
*12yo Boy:* According to his immunization record, the pt received the *primary
series of DTaP*, w/ the last DTaP given 6 years ago. There is no record of any
previous adverse reactions to doses of DTaP.
a) DTaP
b) Tdap
c) Td
d) DT
c) None - Correct-answer-b) Tdap
[Module 3]
Identify which vaccine (DTaP, Tdap, Td, DT, or none) the pt should receive for
adequate protection against tetanus, diphtheria, &/or pertussis.
, 3|Page
*32yo Mother of a Toddler*: According to her immunization record, the last *Td*
dose was 4 years ago. There is NO record of a Tdap dose & NO history of previous
reactions following prior booster doses.
a) DTaP
b) Tdap
c) Td
d) DT
c) None - Correct-answer-b) Tdap
[Module 3]
Identify which vaccine (DTaP, Tdap, Td, DT, or none) the pt should receive for
adequate protection against tetanus, diphtheria, &/or pertussis.
*5yo Girl*: According to her immunization record, the last *DTaP* dose was at
*18 months* of age. There is no record of any previous reactions following prior
doses of DTaP.
a) DTaP
b) Tdap
c) Td
