BIOS 252 MIDTERM EXAM | EXAM
QUESTIONS WITH WELL
DETAILED ANSWERS | GRADED
A+ | LATEST UPDATE
QUESTION; Microglial cells (CNS) - ANSWER-Protects from disease, clear dead neurons
(phagocytes)
QUESTION; Ependymal cells (CNS) - ANSWER-line cavities of the brain and spinal cord, circulate
cerebrospinal fluid
QUESTION; Satellite cells (PNS) - ANSWER-surround neuron cell bodies in PNS (astrocytes)
QUESTION; propogation of the action potential - ANSWER-transmission of an action potential
down an axon
QUESTION; excitatory postsynaptic potential (EPSP) - ANSWER--a slight depolarization of a
postsynaptic cell, bringing the membrane potential of that cell closer to the threshold for an
action potential
-less likely to trigger action potential
QUESTION; What are the 4 properties of muscle tissue? - ANSWER-excitability, contractility,
extensibility, elasticity
QUESTION; What are the types of muscular tissue? - ANSWER-skeletal, cardiac, smooth
QUESTION; What is the function of skeletal muscle? - ANSWER-movement of bones, posture
, QUESTION; What is the function of cardiac muscle? - ANSWER-pump blood throughout the
body
QUESTION; What is the function of smooth muscle? - ANSWER-contraction
QUESTION; What are connective tissue components? - ANSWER-epimysium, perimysium,
endomysium
QUESTION; Fibers found in connective tissue - ANSWER-collagen, elastic, reticular
QUESTION; function of connective tissue - ANSWER-bind, support, protect, fill spaces, store fat,
produce blood cells
QUESTION; skeletal muscle - ANSWER-striated and voluntary
QUESTION; cardiac muscle - ANSWER-Involuntary muscle tissue found only in the heart, and
striated
QUESTION; smooth muscle - ANSWER-Involuntary muscle found inside many internal organs of
the body, and no striations
QUESTION; sliding filament theory - ANSWER-theory that actin filaments slide toward each
other during muscle contraction, while the myosin filaments are still
QUESTION; twitch contraction - ANSWER-the brief contraction of all the muscle fibers in a
motor unit in response to a single action potential in its motor neuron
QUESTION; frequency of stimulation - ANSWER-the higher the frequency, the greater the force
QUESTIONS WITH WELL
DETAILED ANSWERS | GRADED
A+ | LATEST UPDATE
QUESTION; Microglial cells (CNS) - ANSWER-Protects from disease, clear dead neurons
(phagocytes)
QUESTION; Ependymal cells (CNS) - ANSWER-line cavities of the brain and spinal cord, circulate
cerebrospinal fluid
QUESTION; Satellite cells (PNS) - ANSWER-surround neuron cell bodies in PNS (astrocytes)
QUESTION; propogation of the action potential - ANSWER-transmission of an action potential
down an axon
QUESTION; excitatory postsynaptic potential (EPSP) - ANSWER--a slight depolarization of a
postsynaptic cell, bringing the membrane potential of that cell closer to the threshold for an
action potential
-less likely to trigger action potential
QUESTION; What are the 4 properties of muscle tissue? - ANSWER-excitability, contractility,
extensibility, elasticity
QUESTION; What are the types of muscular tissue? - ANSWER-skeletal, cardiac, smooth
QUESTION; What is the function of skeletal muscle? - ANSWER-movement of bones, posture
, QUESTION; What is the function of cardiac muscle? - ANSWER-pump blood throughout the
body
QUESTION; What is the function of smooth muscle? - ANSWER-contraction
QUESTION; What are connective tissue components? - ANSWER-epimysium, perimysium,
endomysium
QUESTION; Fibers found in connective tissue - ANSWER-collagen, elastic, reticular
QUESTION; function of connective tissue - ANSWER-bind, support, protect, fill spaces, store fat,
produce blood cells
QUESTION; skeletal muscle - ANSWER-striated and voluntary
QUESTION; cardiac muscle - ANSWER-Involuntary muscle tissue found only in the heart, and
striated
QUESTION; smooth muscle - ANSWER-Involuntary muscle found inside many internal organs of
the body, and no striations
QUESTION; sliding filament theory - ANSWER-theory that actin filaments slide toward each
other during muscle contraction, while the myosin filaments are still
QUESTION; twitch contraction - ANSWER-the brief contraction of all the muscle fibers in a
motor unit in response to a single action potential in its motor neuron
QUESTION; frequency of stimulation - ANSWER-the higher the frequency, the greater the force
