5001538
Descrição
Quiz por jostenhardy, atualizado more than 1 year ago
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Criado por jostenhardy
aproximadamente 8 anos atrás
|
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Questão 1
Questão
Which of the following is a function of a smooth mucle?
Responda
-
communication
-
production of body heat
-
constriction of organs and vessels
-
respiration
Questão 2
Questão
What type of connective tissue surrounds individual muscle fibers?
Responda
-
epimysium
-
perimysium
-
muscular fascia
-
endomysium
Questão 3
Questão
what is the plasma membrane of a muscle fiber called?
Responda
-
sarcoplasm
-
sarcomere
-
sarcolemma
-
endomysium
Questão 4
Questão
myofibrils are formed from _________ that are joined end to end.
Responda
-
actin myofilaments
-
sarcomeres
-
myosin myofilaments
-
sarcolemmas
Questão 5
Questão
The thick filament is also known as the _______________ myofilament?
Responda
-
myosin
-
titin
-
actin
-
troponin
Questão 6
Questão
which molecule covers the active site on the G actin?
Responda
-
tropomyosin
-
troponin
-
titin
-
m line
Questão 7
Questão
which molecule has a binding site for calcium?
Responda
-
tropomyosin
-
troponin
-
titin
-
m line
Questão 8
Questão
which of the following in NOT a part of the myosin molecule?
Responda
-
rod
-
M line
-
hinge region
-
head
Questão 9
Questão
the A band is made up of
Responda
-
myosin and titin
-
Z disk and actin
-
M line and Z disk
-
actin and myosin
Questão 10
Questão
the structural and functional unit of skeletal muscle is the
Responda
-
sarcolemme
-
actin myofilament
-
sarcomere
-
myosin myofilament
Questão 11
Questão
What shortens during the sliding filament model of muscle contraction?
Responda
-
H Zone, A band, and sarcomere
-
10 bands, 50 bands, 100 bands, fk it man, lets just not even discuss it man
-
sarcomere, H zone, and I band
-
A band, I band, and H zone
Questão 12
Questão
The binding of acetylcholine to a ligand-gated channel will allow ______ to enter the muscle fiber
Responda
-
calcium ions
-
potassium ions
-
sodium ions
-
All of the choices are correct
Questão 13
Questão
which of the following is NOT part of a neuromuscular junction?
Responda
-
motor end-plate
-
presynaptic terminal
-
sarcoplasmic reticulum
-
synaptic cleft
Questão 14
Questão
by what process does acetylcholine move to the postsynaptic membrane?
Responda
-
active transport
-
endocytosis
-
exocytosis
-
osmosis
Questão 15
Questão
what is the direct cause of the release of calcium ions from the sarcoplasmic reticulum?
Responda
-
ACH binding to the recepton of the Na+ gated channel
-
calcium being released into the presynaptic terminal
-
the action potential traveling into the T tubules
-
potassium flowing out of the postsynaptic membrane
Questão 16
Questão
what is ATP directly used for in cross-bridge movement of myosin?
Responda
-
Attachment of the myosin head to the active site of actin
-
the power stroke of the myosin head
-
the release of the myosin head from the actin
-
all are correct
Questão 17
Questão
which of the following is NOT an event that occurs during the lag phase of a muscle twitch?
Responda
-
ACH diffuses across the synaptic cleft
-
the action potential travels down the T tubules
-
cross-bridges between actin and myosin are formed
-
calcium ions bind to troponin
Questão 18
Questão
how does the body respong to an increase in body temperature due to exercise?
Responda
-
shivering
-
decreased muscle contractions
-
dilation of skin blood vessels and sweating
-
slower respiration
Questão 19
Questão
what causes muscle hypertrophy?
Responda
-
an increase in the number of muscle fibers
-
fibers increase the number of myofibril and sarcomere
-
skeletal muscle cell nuclei divide
-
all are correct
Questão 20
Questão
sensory receptors and nerves make up the
Responda
-
Peripheral nervous system
-
enteric nervous sustem
-
autonomic nervous system
-
central nervous system
Questão 21
Questão
a bundle of axons and their connective tissue sheaths are called
Responda
-
receptors
-
nerves
-
ganglia
-
effectors
Questão 22
Questão
the enteric nervous system involves the
Responda
-
respiratory system
-
urinary sytem
-
cardiovascular system
-
digestive system
Questão 23
Questão
what organelle in the neuron is the primary site of protein synthesis
Responda
-
rough ER
-
smooth ER
-
nucleolus
-
nissl substance
Questão 24
Questão
neurotransmitters are found in the
Responda
-
dendritic spines
-
Presynaptic terminals
-
trigger zone
-
soma
Questão 25
Questão
which of the following is NOT a functional classifications of neurons
Responda
-
interneuron
-
Bipolar neuron
-
sensory neuron
-
motor neuron
Questão 26
Questão
most sensory neurons are
Responda
-
Unipolar
-
multipolar
-
bipolar
-
tripolar
Questão 27
Questão
which of the following neuroglia are NOT found in the CNS
Responda
-
schwann cells
-
oligodendrocytes
-
astrocytes
-
ependymal cells
Questão 28
Questão
which type of neuroglial cells are responsible for the formation of the blood-brain barrier
Responda
-
schwann cells
-
oligodendrocytes
-
astrocytes
-
ependymal cells
Questão 29
Questão
which type of neuroglial cells respond to inflammation and are phagocytic
Responda
-
microglial
-
ependymal cells
-
oligodendrocytes
-
astrocytes
Questão 30
Questão
the oligodendrocytes form
Responda
-
the blood brain barrier
-
The myelin sheath around CNS axons
-
the myelin sheath around PNS axons
-
cerebrospinal fluid
Questão 31
Questão
groups of cell bodies and nonmyelinated axons form
Responda
-
gray matter
-
white matter
-
nerve tracts
-
ganglia
Questão 32
Questão
collections of myelinated axons in the CNS are called
Responda
-
ganglia
-
nerve tracts
-
nuclei
-
nerves
Questão 33
Questão
which of the following is NOT found in high concentration outside of a nerve cell
Responda
-
Na+
-
Cl-
-
Ca2+
-
K+
Questão 34
Questão
what type of membrane channels are nongated and responsible for the permeability of the membrane at rest?
Responda
-
Na-K pump
-
Leak Channels
-
ligand gated ion channels
-
volatge gated ion channels
Questão 35
Questão
which of the following is NOT true about changes in the membrane potential
Responda
-
an increase in the movement of potassium out of the cell creates a hyperpolarization
-
an increase in the movement of calcium ions into the cell creates a hyperpolarization
-
an increase in the movement of sodium ions into the cell causes depolarization
-
an increase in the movement of chloride ions into the cell causes hyperpolarization
Questão 36
Questão
the continued movement of potassium ions out of the cell through open voltage-gated K+ channels is called
Responda
-
polarization
-
depolarization
-
Repolarization
-
hyperpolarization
Questão 37
Questão
complete insensitivity to additional stimuli, no matter how strong is called the
Responda
-
absolute refractory period
-
threshold period
-
relative refractory period
-
all or none principle
Questão 38
Questão
which of the following is NOT part of a chemical synapse
Responda
-
connexons
-
postsynaptic terminal
-
synaptic cleft
-
presynaptic terminal
Questão 39
Questão
what type of summation occurs when two action potentials arrive in close succession at the presynaptic terminal that add together to produce an action potential
Responda
-
temporal summation
-
excitatory summation
-
spatial summation
-
oscillating summation
Questão 40
Questão
a neuron pathway with many presynaptic neurons synapsing with one postsynaptic neuron is called a
Responda
-
oscillating circuit
-
convergent pathway
-
parallel pathway
-
divergent pathway
Questão 41
Questão
which of the following is NOT a part of the study of anatomy
Responda
-
the structure of body parts
-
predicting the body's responses to stimuli
-
microscopic organization
-
the relationship between structure and function
Questão 42
Questão
which anatomical body region is NOT matched with its common name
Responda
-
brachial- arm
-
pectoral- chest
-
coxal- hip
-
crural- ankle
Questão 43
Questão
which of the following is NOT true about isotopes
Responda
-
isotopes are two or more forms of the same element
-
isotopes have different atomic numbers
-
isotopes have different mass numbers
-
some isotopes are radioactive
Questão 44
Questão
the folding or bending of the polypeptide chain into an alpha-helix or beta-pleated sheet held by hydrogen bonds is the _________ structure of a protein
Responda
-
primary
-
secondary
-
tertiary
-
quaternary
Questão 45
Questão
in a solution of sugar and water, which of the following is true?
Responda
-
sugar is the solvent and water is the solution
-
sugar is the solute and water is the solvent
-
sugar is the solvent and water is the solute
-
sugar and water are both getting turnt tonighttttt
Questão 46
Questão
the use of protein molecules to move non-lipid soluble molecules and ions through the plasma membrane is called
Responda
-
osmosis
-
simple diffusion
-
lysis
-
mediated transport
Questão 47
Questão
what type of cell is found in cartilage
Responda
-
fibroblast
-
osteocyte
-
chondrocyte
-
osteoclast
Questão 48
Questão
which of the following is NOT a type of internal body membrane
Responda
-
synovial membrane
-
serous membrane
-
cutaneous membrane
-
mucuous membrane
Questão 49
Questão
which is the correct sequence of the strata of the epidermis from deep to superficial?
1. Stratum Lucidum
2. Stratum basale
3. stratum corneum
4. stratum granulosum
5. stratum spinosum
Responda
-
3 1 4 5 2
-
1 2 3 4 5
-
2 5 4 1 3
-
4 2 3 1 5
Questão 50
Questão
the formation of bone by osteoblasts is called
Responda
-
ossification
-
osteogenesis
-
resorption
-
both ossification and osteogenesis
Questão 51
Questão
the elevated ridges of tissue on the surface of the cerebral hemispheres are known as __________ while the shallow grooves are termed _______
Responda
-
sucli: gyri
-
gyri: sucli
-
ganglia: gyri
-
tracts: ganglia
Questão 52
Questão
a stroke in the primary motor area has caused Austin to lose control over his skeletal muscles on the right side of his body. What lobe of his brain was damaged?
Responda
-
occipital lobe
-
temporal lobe
-
frontal lobe
-
parietal lobe
Questão 53
Questão
Kegen has a brain injury: she knows what she wants to say but cant vocalize the words. the part of her brain that deals with the ability to speak is the
Responda
-
longitudinal fissure
-
gyrus
-
central sulcus
-
Broca's area
Questão 54
Questão
the midbrain, pons, and medulla oblongata are housed in the
Responda
-
armpit
-
hypothalamus
-
brain stem
-
pineal gland
Questão 55
Questão
which lobe contains the primary motor area and enables the voluntary control of skeletal muscle movements
Responda
-
parietal lobe
-
temporal lobe
-
occipital lobe
-
frontal lobe
Questão 56
Questão
the pituitary gland is most closely associated with the
Responda
-
hypothalamus
-
thalamus
-
pineal gland
-
midbrain
Questão 57
Questão
the area of the brain stem that plays a role in consciousness and the sleep/wake cycles is the
Responda
-
thalamus
-
reticular activating system
-
pineal gland
-
limbic system
Questão 58
Questão
control of temperature, endocrine activity, metabolism, and thirst are functions associated with the
Responda
-
medulla oblongata
-
cerebellum
-
hypothalamus
-
thalamus
Questão 59
Questão
the vital centers for the control of visceral activities such as heart rate, breathing, blood pressure, swallowing, and vomiting are located in the
Responda
-
pons
-
medulla oblongata
-
midbrain
-
cerebrum
Questão 60
Questão
loss of muscle coordination results from the damage to the
Responda
-
cerebrum
-
hypothalamus
-
cerebellum
-
thalamus
Questão 61
Questão
which one of the following represents the correct sequence from the outermost to innermost layers of the meninges
Responda
-
dura: arachnoid: pia
-
pia: arachnoid: dura
-
arachnoid: dura: pia
-
dura: spider: pia
Questão 62
Questão
the cerebrospinal fluid
Responda
-
is secreted by the arachnoid villa
-
enters the four ventricles after filling and circulating through the subarachnoid space
-
is secreted mostly by the ependymal cells lining the brain ventricles
-
is continually formed mostly by the choroid plexuses
Questão 63
Questão
the gray matter of the spinal cord
Responda
-
surrounds the central canal
-
contains myelinated fiber tracts
-
is made up of the dorsal, lateral, and ventral columns
-
surrounds the white matter of the spinal cord
Questão 64
Questão
which one of the following is the correct sequence in connective tissue sheaths, going from outermost to innermost layer
Responda
-
epineurium, endoneurium, perineurium
-
epineurium, perineurium, endoneurium
-
perineurium, epineurium, endoneurium
-
perineurium, endoneurium, epineurium
Questão 65
Questão
who is the coolest cat of them all, not including Brennan
Responda
-
Josten
-
Kegen
-
Lindsey
-
Austin
Questão 66
Questão
which of the following is NOT true of skeletal muscle
Responda
-
long, cylindrical fibers
-
multiple nuclei
-
totally under involuntary control
-
has striations
Questão 67
Questão
what type of connective tissue surrounds bundles of muscle fibers to create the muscle fascicles
Responda
-
epimysium
-
perimysium
-
muscular fascia
-
endomysium
Questão 68
Questão
what is the plasma membrane of a muscle fiber called
Responda
-
sarcoplasm
-
sarcomere
-
sarcolemma
-
endomysium
Questão 69
Questão
myofibrils are formed from __________ that are joined end to end
Responda
-
actin myofilaments
-
sarcomeres
-
myosin myofilaments
-
sarcolemmas
Questão 70
Questão
which molecule covers the active site on the G actin
Responda
-
tropomyosin
-
troponin
-
titin
-
M line
Questão 71
Questão
the H zone is where
Responda
-
there is only actin
-
there is only myosin
-
there is only the Z disk
-
there is only titin
Questão 72
Questão
the structural and functional unit of skeletal muscle is the
Responda
-
sarcolemma
-
actin myofilament
-
sarcomere
-
myosin myofilament
Questão 73
Questão
what shortens during the siding filament model of muscle contraction
Responda
-
H zone, A band, and sarcomere
-
A band, I band, and sarcomere
-
sarcomere, H zone, I band
-
A band, I band, and H zone
Questão 74
Questão
there are ________ pairs of cranial nerves and _________ pairs of spinal nerves
Responda
-
31, 12
-
12, 25
-
13, 31
-
12, 31
Questão 75
Questão
the enteric nervous system involves the
Responda
-
respiratory system
-
urinary system
-
cardiovascular system
-
digestive system
Questão 76
Questão
which subdivision of the autonomic nervous system regulates resting or vegetative functions
Responda
-
parasympathetic
-
enteric
-
somatic
-
sympathetic
Questão 77
Questão
what organelle in the neuron is the primary site of protein synthesis
Responda
-
rough ER
-
smooth ER
-
nucleolus
-
nissl substance
Questão 78
Questão
the area of the neuron cell body that generates the action potential is the
Responda
-
trigger zone
-
soma
-
dendritic spine
-
none of the choices are correct
Questão 79
Questão
what type of summation occurs when two action potentials arrive in close succession at the presynaptic terminal that add together to produce an action potential
Responda
-
temporal summation
-
excitatory summation
-
spatial summation
-
oscillating summation
Questão 80
Questão
what produces cerebrospinal fluid
Responda
-
arachnoid granulations
-
dural sinuses
-
choroid plexuses
-
pia mater
Questão 81
Questão
what type of fibers connect areas of the cerebral cortex within the same hemisphere
Responda
-
association fibers
-
commissural fibers
-
projection fibers
-
cerebral penducles
Questão 82
Questão
what structure separates the frontal from the parietal lobe
Responda
-
longitudinal fissure
-
transverse fissure
-
central sulcus
-
lateral fissure
Questão 83
Questão
raised folds on the surface of the cerebrum are called
Responda
-
gyri
-
sulci
-
fissures
-
lobes
Questão 84
Questão
which of the following is NOT a function of the hypothalamus
Responda
-
body temperature control
-
autonomic nervous system control
-
mood and emotions
-
all of them
Questão 85
Questão
all sensory impulses except for smell are relayed through the
Responda
-
hypothalamus
-
epithalamus
-
thalamus
-
subthalamus
Questão 86
Questão
which of the following is NOT part of the diencephalon
Responda
-
hypothalamus
-
midbrain
-
thalamus
-
subthalamus
Questão 87
Questão
the white matter of the cerebellum is called the
Responda
-
folia
-
cerebellar penducles
-
arbor vitae
-
vermis
Questão 88
Questão
which of the following is NOT part of the brainstem
Responda
-
thalamus
-
pons
-
medulla oblongata
-
midbrain
Questão 89
Questão
the connective tissue wrap that surrounds many fascicles to form a nerve is the
Responda
-
epineurium
-
perineurium
-
endoneurium
-
dermaneurium
Questão 90
Questão
which of the following is the correct sequence of structures in a reflex arc
Responda
-
effector organ, motor neuron, interneuron, sensory neuron, sensory receptor
-
interneuron, sensory neuron, motor neuron, sensory receptor, effector organ
-
sensory receptor, sensory neuron, interneuron, motor neuron, effector organ
-
sensory receptor, sensory neuron, motor neuron, interneuron, effector organ
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