1 A) Neurons B) Olfactory nerves C) Choroids D) Taste buds 2 A) ion B) neuron C) drug D) pons 3 A) axon B) dendrite C) nucleus D) reflex arc 4 A) stimulant B) depressant C) inhalant D) prescription 5 A) inhalants B) stimulants C) neurotransmitters D) dendrites 6 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078802849/383959/hn.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (40.0K)</a>]]> A) oval window B) stapes C) cochlea D) semicircular canals 7 A) autonomic B) somatic C) cerebral D) muscular 8 A) pons B) hypothalamus C) cerebrum D) central nervous system 9 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078802849/383959/hr.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (23.0K)</a>]]> A) the lens B) the pupil C) the cornea D) the iris 10 A) axons B) thresholds C) nodes D) cell bodies 11 A) cancer has damaged pons B) cancer has damaged hypothalamus C) cancer has damaged cerebellum D) cancer has damaged pons and hypothalamus 12 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078802849/383959/hp.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (17.0K)</a>]]> A) a nerve impulse on a myelinated axon B) potassium diffusing through myelin C) a non-myelinated nerve impulse D) a reflex arc 13 A) stronger action potential generated B) action potential has same strength as threshold C) weaker action potential generated D) no action potential generated 14 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078802849/383959/hm.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (31.0K)</a>]]> A) medulla oblongata B) pons C) hypothalamus D) cerebrum 15 A) would be unable to feel a deep cut B) would be unable to breath C) would be unable to feel a hot plate D) would be unable to swing hammer 16 A) malleus B) incus C) cochlea D) eardrum 17 A) All reflex signals must go to the brain. B) They require conscious thought. C) They are slow and gradual responses. D) They are involuntary. 18 A) Joints and muscles tissues contain receptors that respond to heavier pressure. B) There are very few receptors on the soles of a person's feet. C) Pain receptors are found in all body tissues except for those in the brain. D) Receptors that sense cold are found close to the skin's surface. 19 A) They can permanently replace neurotransmitters in the brain. B) They can imitate a neurotransmitter. C) They can prevent neurotransmitters from leaving a synapse. D) They can block a receptor site on a dendrite. 20 A) decreased dopamine level after quiting B) tolerance to a depressant C) normal dopamine level maintained during drug use D) increased dopamine level due to a drug
.
