Table 18.1
Antibody Titer
$$\begin{array} { | l | r | r | r | r | }
\hline & \text { Day 1 } & { \text { Day 7 } } & \text { Day 14 } & \text { Day 21 } \
\hline \text { Patient A } & 0 & 0 & 256 & 512 \
\hline \text { Patient B } & 128 & 256 & 512 & 1024 \
\hline \text { Patient C } & 0 & 0 & 0 & 0 \
\hline \text { Patient D } & 128 & 128 & 128 & 128 \
\hline
\end{array}$$
-In Table 18.1,who probably has the disease?
A)Patients A and B
B)Patients B and C
C)Patients A and C
D)Patients C and D
E)Patients A and D

Question

Table 18.1
Antibody Titer
 $$\begin{array} { | l | r | r | r | r | } 
\hline & \text { Day 1 } &  { \text { Day 7 } } & \text { Day 14 } & \text { Day 21 } \
\hline \text { Patient A } & 0 & 0 & 256 & 512 \
\hline \text { Patient B } & 128 & 256 & 512 & 1024 \
\hline \text { Patient C } & 0 & 0 & 0 & 0 \
\hline \text { Patient D } & 128 & 128 & 128 & 128 \
\hline
\end{array}$$
-In Table 18.1,who probably has the disease?
A)Patients A and B
B)Patients B and C
C)Patients A and C
D)Patients C and D
E)Patients A and D

Quizplus · Accepted Answer

Patients A and B have increasing antibody titers over time, indicating an active immune response to a potential infection. Patients C and D have consistently low antibody titers, suggesting they do not have the disease.

Table 181 Antibody Titer -In Table 18

Table 181
Antibody Titer -In Table 18