^{How long does it take for a dog to locate the source of a sound?}

^{a) 1 second}

^{b) six-hundredths of a second}

^{c) seven-hundredths of a second}

^{d) six-tenths of a second}

^{How much blood is pumped to the heart?}

^{a) 21.74%}

^{b) 20%}

^{c) 22.5%}

^{What is a large part of the pre-wiring of the brain?}

^{a) touch}

^{b) sight}

^{c) taste}

^{d) scent}

^{e) hearing}

 How many scent receptors do dogs have?

a) 200 million

b) 500 million

c) 5 million

How many connections can neurons have with other cells?

a) 10, 000

b) 5, 000

c) 100, 000