Histology Final

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potassium / sodium

During excitability the ion gate in the plasma membrane opens which causes the ____ to rush into the cell while the ___ rushes out of the cell. This quick shift in voltage is known as an action potential.

True

Glial cells are smaller than neurons but are greater in number than nerve cells in the brain. True or False

myelin sheath

Multiple sclerosis is a disease that attacks the ___ of neurons in the CNS.

unipolar

Neurons that have a single axon and a single dendrite are:

CNS

Oligodendrocytes are located in the ____

Microglia

The glial cell that defends the body against pathogens is the

Medulla

The loop of henle and collecting ducts are mainly located in which of the following renal areas?

Somatic Sensory

The portion of the nervous system that conducts impulses from the skin, joints, skeletal muscles, and special senses is the ____ division.

Nephrons

The structural and functional units of the kidney are called:

Disposal of waste products of metabolism

The urinary system function in:

True

The ventricles of the brain are a communication network located within the brain parenchyma. True or False

fascia

Which one is NOT part of the skeletal muscle?

ganglia and nervous

Which two distinct cell types form nervous tissue?

galia cells

All of the following are neurons EXCEPT:

Ganglia

All of these are part of the CNS except:

Neuroglia

Supporting cells located within the CNS are collectively called ____

ureter

The ___ is the connection between kidney and bladder

afferent neurons

The ____ arteries supply the kidneys with blood

sensory

The afferent division of the nervous system is also known as the ____ division

glomerulus

The capillary that is located in the bowman's capsule is called the:

antidiuretic hormone (ADH)

The distal convoluted tubule is only permeable to water if _____ is present.

ureter

Urine is carried from the kidneys to the urinary bladder by the

Motor neuron and the muscles it innervates

What is a motor unit?

Myelin production and electrical insulation

What is the function of Schwann cells?

Neuron

What is the structural unit of the nervous system?

Simple Cubodial Epithelial Tissue

What kind of cells make up the PCT?

spinal cord

Where are the cell bodies of somatic motor neurons located?

Bowman's capsule

Where does filtration occur in the nephron

vasa recta

Which capillaries surround the loop of henle?

Microglia

Which glial cell does not originate at the neural tube?

moving your feet and walking

Which of the following actions is caused by contraction of skeletal muscle?

cell body

Which of the following contains the nucleus?

Glomerulus, proximal convoluted tubule, loop of Henle, distal convoluted tubule

Which of the following describes the correct flow of filtrate through a nephron from start to finish?

Cerebellum

Which of the following is NOT a main component of the PNS?

blood cells

Which of the following is not normally filtered from the blood?

True

n anaxonic neuron is a type of neuron that has only one structure that extends away from the soma. True or False


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