histology final
An Anaxonic neuron is a type of neuron that has only one structure that extends from the soma
true
glial cells are smaller than neurons but are grater in number than nerve cells in the brain (T / F )
true
the ventricles of the brain are a communication network located within the brain parenchyma (t or f)
true
Neurons that have a single axon and a single dendrite are
unipolar
the _____ is the connection between kidney and bladder
ureter
urine is carried from the kidneys to the urinary bladder by the
ureter
which capillaries surround the loop of henle
vasa recta
which of the following is not a main component of the PNS
cerebellum
what are cell bodies of somatic motor neurons located
in the spinal cord
The neurons that are responsible for integrating information by retrieving, processing, storing, and "deciding" how the body responds to stimuli are
interneurons
During excitability the ion gates in the plasma membrane open 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. a.) Sodium; Calcium b.) Sodium; Potassium c.) Potsssium; Sodium d.) Calcium; Potsasium
potassium; sodium
the afferent division of the nervous system is also known as the ___ division
sensory
what kind of cells make up the PCT
simple cuboidal
the portion of the nervous system that conducts impulses from the skin, joints, muscles and special senses is the _____ division
somatic sensory
oligodendrocytes are located in the
CNS
the ____ arteries supply the kidneys with blood
affarent
the distal convoluted tubule is only permeable to water if ___ is present
antidiuretic hormone
which of the following is not normally filtered through the blood
blood cells
where does filtration occur in the nephron
bowman's capsule
which of the following contains the nucleus
cell body
the urinary system function is to
disposal of waste products of metabolism
which one is not part of the skeleton muscle
fascia
all of these are part of the CNS except
ganglia
all of the following are neurons except
glial cells
which two distinct cell types form nervous tissue
glial cells and neurons
the capillary that is located in bowmans capsule is called the
glomerulus
filtration of the blood occurs at the ____ and is collected by the ___
glomerulus and glomerular cavity
which of the following describes the correct flow of filtrate through a nephron from start to finish
glomerulus, proximal convoluted tubule, loop of henle, distal convoluted tubule
the loop of henle and collecting ducts are mainly located in which of the following areas
medulla
which glial cell does not originate at the neural tube
microglia
the glial cell that defends the body against pathogens is the
microglial cells
what is a motor unit
motor neuron and the muscles it innervates
which of the following actions is caused by contraction of skeletal muscle
moving your feet and walking
what is the function of schawann cells
myelin production and electrical insulation
multiple sclerosis is a disease that attacks the ____ of neurons in the CNS
mylein sheaths
the structural and functional units of the kidneys are called
nephrons
what is the structural unit of the nervous system
neruron
supporting cells located within the CNS are collectively called
neuroglia
