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100 Cards in this Set

  • Front
  • Back
At the end of the muscle, the collagen fibers of the epimysium, and each perimysium and endomysium, come together to form a
tendon
a single motor neuron together with all the muscle fibers it innervates is called
a motor unit
The region of the sarcomere containing the thick filaments is the
A band
Muscle tissue, one of the four basic tissue groups, consists chiefly of cells that are highly specialized for
contraction
The skeletal muscle complex known as the triad consists of
a transverse tubule and two terminal cisternae
What structure is highlighted?
What structure is highlighted?
smooth muscle fiber
The thin filaments of striated muscle are made of which protein(s)?
-troponin
-nebulin
-tropomyosin
-actin
-all of the above
all of the above
Each skeletal muscle fiber is controlled by a motor neuron at a single
neuromuscular junction
Identify the structure where ATP is produced
Identify the structure where ATP is produced
1
The "kissing muscle" that purses the lips is the
orbicularis oris
What is the main muscle of respiration
diaphragm
Which of the following muscles compresses the abdomen
-external oblique
-rectus abdominis
-diaphragm
-all of the above
all of the above
The ____ convers the anterior surface of the neck
platysma
Which of the following muscles does not elevate the mandible?
-temporalis
-masseter
-medial pteregoid
-platisma
platisma
What structure is highlighted?
What structure is highlighted?
rectus abdominis
A muscle that inserts on the body of the mandible is probably involved in
chewing
What structure is highlighted?
What structure is highlighted?
mentalis
What structure is highlighted?
What structure is highlighted?
buccinator
Which muscle compresses the prostate gland in males?
external urethral sphincter
What structure is highlighted?
What structure is highlighted?
zygomaticus major
The ___ muscle is the strongest jaw muscle
masseter
What structure is highlighted?
What structure is highlighted?
orbicularis oris
Which muscle is not involved in mastication?
-mentalis
-temporalis
-maseter
-lateral pteregoid
-medial pteregoid
mentalis
A muscle that flexes the spinal column is the
-spinalis
-rectus abdominis
-sacrospinalis
-iliocostalis
-longissimus
rectus abdominis
Which of the following is not primarily a muscle of facial expression?
-orbicularis oris
-mentalis
-risorius
-buccinator
-masseter
masseter
What structure is highlighted?
What structure is highlighted?
frontalis
Which of the following muscles is found within the pelvic floor?
-ischiocavernosus
-erineal group
-coccygeus
-bulbospongiosus
-all of the above
all of the above
What structure is highlighted?
What structure is highlighted?
scalenes
The muscle that extends the arm while doing push-ups is the
triceps
What structure is highlighted?
What structure is highlighted?
rectus femoris
Identify the muscle labeled 6
Identify the muscle labeled 6
latissimus dorsi
Which of the following does not move the shoulder girdle?
-pectoralis major
-deltoid
-rhomboid
-serratus anterior
-trapezius
deltoid
Identify the muscle labeled 12
Identify the muscle labeled 12
gastrocnemius
Which of the following is a member of the hamstring group?
-semitendinosus
-semimembranosus
-biceps femoris
-all of the above
all of the above
Identify the muscle labeled 11
Identify the muscle labeled 11
tibialis anterior
What structure is highlighted?
What structure is highlighted?
trapezius
Muscles that laterally rotate the thigh include all of the following except the
-gluteus maximus
-tensor fasciae latae
-obturator externus
-piriformis
-obturator internus
tensor fascia latae
What structure is highlighted?
What structure is highlighted?
pectoralis major
What structure is highlighted?
What structure is highlighted?
biceps brachii
The muscle that pronates the forearm and opposes biceps brachii is the
pronator quadratus
The muscle that adducts and rotates the scapula laterally is the
rhomboid
What structure is highlighted?
What structure is highlighted?
brachioradialis
Which of the following describes the action of the serratus anterior?
-medial rotation of humerus
-adducts the arm
-protracts the shoulder, abducts and medially roates the scapula
-adducts and flexes the humerus
-lateral rotation of the humerus
protracts the shoulder, abducts and medially roates the scapula
Muscles that insert on the olecranon process of the ulna can act to
extend the forearm
From which of the following structures does the highlighted muscle originate?
-iliac crest
-anterior inferior iliac spine
-posterior superior iliac spine
-posterior inferior iliac spine
-anterior superior iliac spine
From which of the following structures does the highlighted muscle originate?
-iliac crest
-anterior inferior iliac spine
-posterior superior iliac spine
-posterior inferior iliac spine
-anterior superior iliac spine
anterior superior iliac spine
Identify the muscle labeled 25
Identify the muscle labeled 25
sartorius
A muscle that adducts the humerus is the
latissimus dorsi
The structure labeled 2 is a
The structure labeled 2 is a
soma
Functions of astrocytes include all of the following except
-maintaining the blood-brain barrrier
-conducting action potentials
-forming a 3D framework for the CNS
-responding to neural tissue damage
-guiding neuron development
conducting action potentials
Which of the following is not a recognized structural classification for neurons?
-bipolar
-anaxonic
-pseudopolar
-unipolar
-multipolar
pseudopolar
___ neurons are small and have no anatomical features that distinguish dendrites from axons
anaxoinic
___ neurons form the afferent division of the PNS
sensory
Identify the structure labeled 5
Identify the structure labeled 5
synaptic terminals
What structure is highlighted
What structure is highlighted
axon
Which of the following is not a function of the neuroglia?
-phagocytosis
-secretion of CSF
-support
-maintenance of the blood-brain barrier
-memory
memory
clusters of RER and free ribosomes in neurons are called
Nissl bodies
Branches that may occur along an axon are called
collaterals
Neurons that have one axon and one dendrite, with the soma in between, are called
bipolar
The axon is connected to the soma at the
axon hillock
Damage to the ependymal cells would most likely affect the
-repair of axons
-formation of CSF
-transport of neurotransmitters within axons
-formation of myelin sheaths
-formation of ganglia
formation of CSF
What part of the neuron can conduct an action potential
What part of the neuron can conduct an action potential
3 and 4
The myelin sheath that covers many CNS axons is formed by
oligodendrocytes
Axons terminate in a series of fine extensions known as
telodendria
The cytoplasm that surrounds the nucleus of a neuron is called the
perikaryon
Neurons that have several dendrites and a single axon are called
multipolar
Glial cells that surround the neurons in ganglia are
satellite cells
Which of the following are a type of glial cell found in the PNS?
-oligodendrocytes
-microglia
-satellite cells
-ependymal cells
-astrocytes
satellite cells
What structure is highlighted?
What structure is highlighted?
central canal
What structure is highlighted?
What structure is highlighted?
ventral roots
Enlargements of the spinal cord occur
in those spinal segments that control the limbs
The ___ nerve, which arises in the cervical plexus, innervates the diaphragm
phrenic
The outward projections from the central gray matter of the spinal cord are called
horns
From what plexus does the highlighted nerve arise?
From what plexus does the highlighted nerve arise?
brachial
What structures are highlighted?
What structures are highlighted?
lateral horns
What nerve is highlighted?
What nerve is highlighted?
sciatic
The highlighted structures are formed by
The highlighted structures are formed by
ventral roots and dorsal roots
The white matter of the spinal cord contains
bundles of axons with common origins, destinations, and functions
The dorsal root ganglia mainly contain
cell bodies of sensory neurons
In which plexus does the ulnar nerve arise
brachial
What structures are highlighted?
What structures are highlighted?
dorsal horns
The spinal cord consists of 5 regions and _(#)_ segments
31
The ___ is a strand of fibrous tissue that provides longitudinal support as a component of the coccygeal ligament
filum terminale
The outermost connective-tissue covering of nerves is the
epineurium
Spinal nerves are
-purely sensory
-purely motor
-interneuronal
-involuntary
-both sensory and motor
both sensory and motor
The highlighted cranial nerve innervates
The highlighted cranial nerve innervates
muscles of the posterior arm and forearm
The specialized membranes that surround the spinal cord are called the
spinal meninges
In the spinal cord, white matter is separated into ascending and descending tracts organized as
columns
What structure is highlighted?
What structure is highlighted?
frontal lobe
The cranial nerves that innervate the eye muscles are
III, IV, VI
Which of the following is a function of the hypothalamus
-controls autonomic centers
-secretes oxytocin
-regulates body temperature
-produces ADH
-all of the above
all of the above
Autonomic centers that control blood pressure, heart rate, and digestion are located in the
medulla oblongata
What structure is highlighted?
What structure is highlighted?
central sulcus
The dural fold that projects into the longitudinal fissure between cerebral hemispheres is called the
falx cerebri
What is the function of the nerve labeled 10?
What is the function of the nerve labeled 10?
eye movement
What structure is highlighted?
What structure is highlighted?
superior sagittal sinus
The highlighted structure develops from which brain vesicle?
The highlighted structure develops from which brain vesicle?
diencephalon
The visual cortex is located in the
occipital lobe
What structure is highlighted?
What structure is highlighted?
cerebellum
What structure is highlighted?
What structure is highlighted?
olfacotory bulb
Identify the structure labeled 8
Identify the structure labeled 8
arachnoid granulation