第97回薬剤師国家試験

$\begin{tikzpicture}[declare function = {a=3;b=3;c=1;}]\draw[very thick](0,0) -- (4.5,0)node [below, pos=0.5] {アゴニスト（対数容量）};\draw[very thick](0,0) -- (0,3.5)node[pos=0.45, rotate=90, above]{反応率／\%} node[pos=0.03, left]{0};\draw[very thick, samples=200, domain=0:2.4] plot (\x+0.2,{1.06*b/(1+e^(-a*(\x-c)))-0.15});\draw[very thick, samples=200, domain=0:2.4] plot (\x+1.2,{1.06*b/(1+e^(-a*(\x-c)))-0.15});\draw [dashed, thick] (0,b) -- (4.5,b) node[pos=-0.1]{100};\draw [-{Straight Barb[angle=50:2pt 10]}] (1.2,1.5) -- (2,1.5);\end{tikzpicture}$

\begin{tikzpicture}[
declare function = {
a=3;
b=3;
c=1;
}]
\draw[very thick](0,0) -- (4.5,0)node [below, pos=0.5] {アゴニスト（対数容量）};
\draw[very thick](0,0) -- (0,3.5)node[pos=0.45, rotate=90, above]{反応率／\%} node[pos=0.03, left]{0};
\draw[very thick, samples=200, domain=0:2.4] plot (\x+0.2,{1.06*b/(1+e^(-a*(\x-c)))-0.15});
\draw[very thick, samples=200, domain=0:2.4] plot (\x+1.2,{1.06*b/(1+e^(-a*(\x-c)))-0.15});
\draw [dashed, thick] (0,b) -- (4.5,b) node[pos=-0.1]{100};
\draw [-{Straight Barb[angle=50:2pt 10]}] (1.2,1.5) -- (2,1.5);
\end{tikzpicture}

$\begin{tikzpicture}[declare function = {a=3;b=3;c=1;}]\draw[very thick](0,0) -- (4.5,0)node [below, pos=0.5] {アゴニスト（対数容量）};\draw[very thick](0,0) -- (0,3.5)node[pos=0.45, rotate=90, above]{反応率／\%} node[pos=0.03, left]{0};\draw[very thick, samples=200, domain=0:2.4] plot (\x+0.2,{1.06*b/(1+e^(-a*(\x-c)))-0.15});\draw[very thick, samples=200, domain=0:2.4] plot (\x+1.7,{1.06*b/(1+e^(-a*(\x-c)))-0.15});\draw [dashed, thick] (0,b) -- (4.5,b) node[pos=-0.1]{100};\draw [-{Straight Barb[angle=50:2pt 10]}] (2.5,1.5) -- (1.7,1.5);\end{tikzpicture}$

\begin{tikzpicture}[
declare function = {
a=3;
b=3;
c=1;
}]
\draw[very thick](0,0) -- (4.5,0)node [below, pos=0.5] {アゴニスト（対数容量）};
\draw[very thick](0,0) -- (0,3.5)node[pos=0.45, rotate=90, above]{反応率／\%} node[pos=0.03, left]{0};
\draw[very thick, samples=200, domain=0:2.4] plot (\x+0.2,{1.06*b/(1+e^(-a*(\x-c)))-0.15});
\draw[very thick, samples=200, domain=0:2.4] plot (\x+1.7,{1.06*b/(1+e^(-a*(\x-c)))-0.15});
\draw [dashed, thick] (0,b) -- (4.5,b) node[pos=-0.1]{100};
\draw [-{Straight Barb[angle=50:2pt 10]}] (2.5,1.5) -- (1.7,1.5);
\end{tikzpicture}

$\begin{tikzpicture}[declare function = {a=9;b=3;c=1;}]\draw[very thick](0,0) -- (4.5,0)node [below, pos=0.5] {アゴニスト（対数容量）};\draw[very thick](0,0) -- (0,3.5)node[pos=0.45, rotate=90, above]{反応率／\%} node[pos=0.03, left]{0};\draw[very thick, samples=200, domain=0:2.6] plot (\x+0.7,{b/(1+e^(-a*(\x-c)))});\draw[very thick, samples=200, domain=0:2.6] plot (\x+1,{0.6*b/(1+e^(-0.6*a*(\x-c)))});\draw [dashed, thick] (0,b) -- (4.5,b) node[pos=-0.1]{100};\draw [-{Straight Barb[angle=50:2pt 10]}] (2.7,2.9) -- (2.7,2);\end{tikzpicture}$

\begin{tikzpicture}[
declare function = {
a=9;
b=3;
c=1;
}]
\draw[very thick](0,0) -- (4.5,0)node [below, pos=0.5] {アゴニスト（対数容量）};
\draw[very thick](0,0) -- (0,3.5)node[pos=0.45, rotate=90, above]{反応率／\%} node[pos=0.03, left]{0};
\draw[very thick, samples=200, domain=0:2.6] plot (\x+0.7,{b/(1+e^(-a*(\x-c)))});
\draw[very thick, samples=200, domain=0:2.6] plot (\x+1,{0.6*b/(1+e^(-0.6*a*(\x-c)))});
\draw [dashed, thick] (0,b) -- (4.5,b) node[pos=-0.1]{100};
\draw [-{Straight Barb[angle=50:2pt 10]}] (2.7,2.9) -- (2.7,2);
\end{tikzpicture}

$\begin{tikzpicture}[declare function = {a=8;b=3.6;c=1;}]\draw[very thick](0,0) -- (4.5,0)node [below, pos=0.5] {アゴニスト（対数容量）};\draw[very thick](0,0) -- (0,3.5)node[pos=0.45, rotate=90, above]{反応率／\%} node[pos=0.03, left]{0};\draw[very thick, samples=200, domain=0:2.85] plot (\x+0.7,{b/(1+e^(-a*(\x-c)))});\draw[very thick, samples=200, domain=0:2.6] plot (\x+1,{0.835*b/(1+e^(-0.6*a*(\x-c)))});\draw [dashed, thick] (0,3) -- (4.5,3) node[pos=-0.1]{100};\draw [-{Straight Barb[angle=50:2pt 10]}] (3,3.1) -- (3,3.5);\end{tikzpicture}$

\begin{tikzpicture}[
declare function = {
a=8;
b=3.6;
c=1;
}]
\draw[very thick](0,0) -- (4.5,0)node [below, pos=0.5] {アゴニスト（対数容量）};
\draw[very thick](0,0) -- (0,3.5)node[pos=0.45, rotate=90, above]{反応率／\%} node[pos=0.03, left]{0};
\draw[very thick, samples=200, domain=0:2.85] plot (\x+0.7,{b/(1+e^(-a*(\x-c)))});
\draw[very thick, samples=200, domain=0:2.6] plot (\x+1,{0.835*b/(1+e^(-0.6*a*(\x-c)))});
\draw [dashed, thick] (0,3) -- (4.5,3) node[pos=-0.1]{100};
\draw [-{Straight Barb[angle=50:2pt 10]}] (3,3.1) -- (3,3.5);
\end{tikzpicture}

$\begin{tikzpicture}[declare function = {a=3;b=3;c=1;}]\draw[very thick](0,0) -- (4.5,0)node [below, pos=0.5] {アゴニスト（対数容量）};\draw[very thick](0,0) -- (0,3.5)node[pos=0.45, rotate=90, above]{反応率／\%} node[pos=0.03, left]{0};\draw[very thick, samples=200, domain=0:2.4] plot (\x+0.6,{1.06*b/(1+e^(-a*(\x-c)))-0.15});\draw[very thick, samples=200, domain=0:1.8] plot (\x+2.5,{0.4*b/(1+e^(-3*a*(\x-c)))});\draw [dashed, thick] (0,b) -- (4.5,b) node[pos=-0.1]{100};\draw [-{Straight Barb[angle=50:2pt 10]}] (2.2,2) -- (3,1.4);\end{tikzpicture}$

\begin{tikzpicture}[
declare function = {
a=3;
b=3;
c=1;
}]
\draw[very thick](0,0) -- (4.5,0)node [below, pos=0.5] {アゴニスト（対数容量）};
\draw[very thick](0,0) -- (0,3.5)node[pos=0.45, rotate=90, above]{反応率／\%} node[pos=0.03, left]{0};
\draw[very thick, samples=200, domain=0:2.4] plot (\x+0.6,{1.06*b/(1+e^(-a*(\x-c)))-0.15});
\draw[very thick, samples=200, domain=0:1.8] plot (\x+2.5,{0.4*b/(1+e^(-3*a*(\x-c)))});
\draw [dashed, thick] (0,b) -- (4.5,b) node[pos=-0.1]{100};
\draw [-{Straight Barb[angle=50:2pt 10]}] (2.2,2) -- (3,1.4);
\end{tikzpicture}