Histology Final
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