Biology Ch. 33

_____ are sensory receptors found on the human tongue.

• neurons

• olfactory nerves

• choroids

• taste buds

How is the chemical dopamine involved in drug addiction?

• drugs cause reabsorption of dopamine in neuron

• drugs deplete dopamine levels in brain

• addicts who quit experience dopamine increases

• drugs increase dopamine levels in brain

The psychological and/or physiological dependence on a drug is called ____.

• stimulation

• tolerance

• addiction

• treatment

Which parts of the brain is breathing rate controlled by?

• cerebrum and cerebellum

• hypothalamus and cerebellum

• medulla oblongata and pons

• hypothalamus and cerebrum

Tags

NGSS.HS-LS1-3

In this picture, what do the arrows traveling up the leg represent?

• path of motor neurons

• sensory neuron impulse

• motor response

• path of single synapse

Which of the following descriptions is correct regarding synapses?

• action potential causes dendrite release

• action potential causes neurotransmitter release

• synapse travels through a neurotransmitter

• muscle contraction produces neurotransmitters

Which of the following is correctly sequenced in a reflex arc?

• Interneurons send impulses from sensors on skin.

• Motor neurons carry impulses to the brain.

• Sensory neurons send impulses to skin receptors.

• Interneurons carry impulses to motor neurons.

Structures called ____ receive signals from other neurons and conduct impulses to the cell body.

• dendrites

• axons

• nodes

• synapses

Which of these would not be a factor in drug addiction?

• decreased dopamine level after quitting

• tolerance to a depressant

• normal dopamine level maintained during drug use

• increased dopamine level due to a drug

Which of these statements is not true regarding drugs that effect the nervous system?

• They can permanently replace neurotransmitters in the brain.

• They can imitate a neurotransmitter.

• They can prevent neurotransmitters from leaving a synapse.

• They can block a receptor site on a dendrite.