The exophthalmos seen in Graves disease results from hypersecretion of the thyro

Question

The exophthalmos seen in Graves disease results from hypersecretion of the

thyroid gland.
parathyroid glands.
posterior pituitary.
adrenal cortex.
pancreas.


Which of these lists the events of an action potential in the correct order?

Na+ gates open?inside of axon becomes positive?Na+ gates close?K+ gates open?inside of axon becomes negative
K+ gates open?inside of axon becomes positive?K+ gates close?Na+ gates open?inside of axon becomes negative
K+ gates open?inside of axon becomes negative?K+ gates close?Na+ gates open?inside of axon becomes positive
Na+ gates open?inside of axon becomes negative?Na+ gates close?K+ gates open?inside of axon becomes positive
Na+ gates open?inside of axon becomes positive?K+ gates close?Na+ gates open?inside of axon becomes negative


You teenage son comes home late on Friday night and is acting strangely. His behavior includes the following characteristics: high agitation, violent behavior, and irritability. These traits are far different from his normal behavior. As a parent you suspect he may have taken a drug. What drug did he most likely take?

cocaine
methamphetamine
marijuana
alcohol
crack


The parasympathetic division of the autonomic nervous system

is associated with "fight or flight."
uses the neurotransmitter norepinephrine.
arises from parts of the spinal cord.
inhibits digestion.
opposes the effects of the sympathetic division.


Dendrites

are usually the longest nerve fibers.
are covered with a myelin sheath.
receive signals from sensory receptors or other neurons.
generate nerve impulses.
are longer and less numerous than axons.

Explanation / Answer

he exophthalmos seen in Graves disease results from hypersecretion of the

thyroid gland.
parathyroid glands.
posterior pituitary.
adrenal cortex.
pancreas.


Which of these lists the events of an action potential in the correct order?

Na+ gates open?inside of axon becomes positive?Na+ gates close?K+ gates open?inside of axon becomes negative
K+ gates open?inside of axon becomes positive?K+ gates close?Na+ gates open?inside of axon becomes negative
K+ gates open?inside of axon becomes negative?K+ gates close?Na+ gates open?inside of axon becomes positive
Na+ gates open?inside of axon becomes negative?Na+ gates close?K+ gates open?inside of axon becomes positive
Na+ gates open?inside of axon becomes positive?K+ gates close?Na+ gates open?inside of axon becomes negative


You teenage son comes home late on Friday night and is acting strangely. His behavior includes the following characteristics: high agitation, violent behavior, and irritability. These traits are far different from his normal behavior. As a parent you suspect he may have taken a drug. What drug did he most likely take?

cocaine
methamphetamine
marijuana
alcohol
crack


The parasympathetic division of the autonomic nervous system

is associated with "fight or flight."
uses the neurotransmitter norepinephrine.
arises from parts of the spinal cord.
inhibits digestion.
opposes the effects of the sympathetic division.


Dendrites

are usually the longest nerve fibers.
are covered with a myelin sheath.
receive signals from sensory receptors or other neurons.
generate nerve impulses.
are longer and less numerous than axons.

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