Week 6

Which value represents an acidic pH

• 7

• 3

• 11

Which of the following is an hydronium ion

• H3O-

• H4O

• H2O

• H3O+

Water is constantly turning into Hydronium and Hydroxyzine ions​

• True

• False

Which of the following is an acid buffer

• HCl

• Sodium bicarbonate (baking soda)

• Acetic acid

• Soap

A neurotransmitter is a _____

• Chemical messenger

• Chemical that helps send impulses faster

• Nerve cell

Acetycholine is the "happy" neurotransmitter

• True

• False

____ is controlled by the sympathetic nervous system.

• Digestion

• Heart rate

• Sleeping

When the neuron is polarized ___ is concentrated outside the cell membrane.

• K+

• Mg+

• Na+

• Ca+

Afferent neurons are also known as motor neurons

• True

• False

Which type of neuron is more likely to use graded potentials?

• Sensory

• Motor