Question 1

A muscle with fascicles that insert into only one side of the tendon is categorized as

Accepted Answer

unipennate.

Question 2

The continuous low level of sustained contraction maintained by all skeletal muscles is muscle

Accepted Answer

tone.

Question 3

A muscle with fascicles that insert into the tendon from both sidesis categorized as

Accepted Answer

bipennate.

Question 4

The biceps brachii has this fascicle arrangement, which maximizes the range of motion possible.

Accepted Answer

parallel

Question 5

In addition to the Pectoralis major, another muscle that displays this pattern of fascicle arrangement is Latissimus dorsi.

Accepted Answer

convergent

Question 6

The muscle that helps hold the scapula against the thorax and is useful in pushing or punching movements is the

Accepted Answer

serratus anterior.

Question 7

The muscle fascicle arrangement for Orbicularis oris is best characterized as

Accepted Answer

circular.

Question 8

This arrangement of muscle fascicles tends to be triangular in shape. The Pectoralis major is an example of a muscle with this type of muscle fascicle arrangement.

Accepted Answer

convergent

Question 9

The individual muscle fibers are covered by a connective tissue membrane called the

Accepted Answer

endomysium.

Question 10

The Sartorius muscle, a thin straplike muscle would have muscle fascicles arranged in

Accepted Answer

parallel.

Question 11

Muscles with this type of muscle fascicle arrangement are either fusiform or straplike in appearance.

Accepted Answer

parallel

Question 12

The innermost muscle of the abdominal wall is the

Accepted Answer

transverse abdominis.

Question 13

An example of a muscle with this type of fascicle arrangement is the orbicularis oris

Accepted Answer

circular

Question 14

Muscles that move the forearm include which of the following?

Accepted Answer

All of these are correct.

Question 15

The fibrous connective tissue that surrounds the entire muscle and is outside the epimysium and tendon is called the

Accepted Answer

fascia.

Question 16

The long axes of the fascicles run parallel to the long axis of the muscle is a description of this type of fascicle arrangement.

Accepted Answer

parallel

Question 17

The common tendon of the gastrocnemius and soleus is called the

Accepted Answer

calcaneal tendon.

Question 18

The point of attachment that does not move when the muscle contracts is the

Accepted Answer

origin.

Question 19

Muscles that move the wrist, hand, and fingers can be

Accepted Answer

extrinsic or intrinsic.

Question 20

The term _____ is used to describe a muscle that directly performs a specific movement.

Accepted Answer

agonist

Question 21

The origin of a muscle is on the femur, and the insertion is on the tibia. When it contracts, it bends the knee. Which of the following is true?

Accepted Answer

The knee is acting as a fulcrum.

Question 22

Which of the following muscles has fibers on a transverse plane?

Accepted Answer

Transverse abdominis

Question 23

Movement is one of the most distinctive and easily observed “characteristics of life.”

Accepted Answer

True

Question 24

The Achilles tendon is common to both the gastrocnemius and the soleus.

Accepted Answer

True

Question 25

The posterior arm muscle that extends the forearm is the:

Accepted Answer

triceps brachii.

Question 26

Just as individual bones are the organs of the skeletal system, individual muscles are the organs of the muscular system.

Accepted Answer

True

Question 27

When an athlete injures a muscle of the hamstring group, the injury is on the:

Accepted Answer

posterior thigh.

Question 28

A muscle is attached to the femur and tibia. Its function or action is to bend the knee. When it contracts, it is acting as the:

Accepted Answer

prime mover.

Question 29

Which of the following is not a group of pennate muscles?

Accepted Answer

Tripennate

Question 30

Muscles may be named according to:

Accepted Answer

all of the above.

Question 31

Which of the following is not a muscle of the quadriceps femoris group?

Accepted Answer

Biceps femoris

Question 32

The most common type of lever in the body is a _____-class lever.

Accepted Answer

third

Question 33

The covering of individual muscle fibers is the:

Accepted Answer

endomysium.

Question 34

The muscle(s) assisting in rotating the arm outward is (are) the:

Accepted Answer

teres minor.

Question 35

The muscle that extends and adducts the arm is the

Accepted Answer

latissimus dorsi.

Question 36

The linea alba is a band of connective tissue that runs over the rectus abdominis from the xiphoid process to the pubis.

Accepted Answer

True

Question 37

Fascia is a general term for the fibrous connective tissue found under the skin and around muscle.

Accepted Answer

True

Question 38

The latissimus dorsi muscle is an example of a _____ muscle.

Accepted Answer

spiral

Question 39

Muscles located on the lower leg move the:

Accepted Answer

foot.

Question 40

The pectoralis major muscle is an example of a _____ muscle.

Accepted Answer

convergent

Question 41

Which of the following statements about the muscles of the thorax is incorrect?

Accepted Answer

When the diaphragm contracts, it decreases the volume of the thoracic cavity and expels air from the lungs.

Question 42

Which of the following body systems assists the muscles in maintaining posture?

Accepted Answer

All of the above

Question 43

Groups of skeletal muscle fibers are bound together by a connective tissue envelope called the:

Accepted Answer

perimysium.

Question 44

There are more than 600 muscles in the body.

Accepted Answer

True

Question 45

The origin of a muscle is on the femur, and the insertion is on the tibia. When it contracts, it bends the knee. Its fibers run parallel to the body. Which of the following terms might be part of its name?

Accepted Answer

Both A and C Rectus /Femoris

Question 46

The muscle that raises or lowers the shoulders or shrugs them is the:

Accepted Answer

trapezius.

Question 47

Another name for a sphincter muscle is a _____ muscle.
  spiral

Accepted Answer

circular

Question 48

The origin of a muscle is on the femur, and the insertion is on the tibia. When it contracts, it bends the knee. Its fibers run parallel to the body. Which of the following terms might be part of its name?

Accepted Answer

Flexor

Question 49

Another name for a skeletal muscle cell is a(n):

Accepted Answer

muscle fiber.

Question 50

Which of the following statements about the muscles of the head is incorrect?

Accepted Answer

The splenius capitis muscle is sometimes called the prayer muscle because it causes the head to bow.

Question 51

Nerves that originate from the brain are called _____ nerves.

Accepted Answer

cranial

Question 52

What structure of the Schwann cell is essential to normal nerve growth and the regeneration of injured nerve fibers?

Accepted Answer

neurilemma

Question 53

Chemical signals diffuse between neurons at this location.

Accepted Answer

synapse

Question 54

Which of the following is not a structural classification of neurons?

Accepted Answer

polar

Question 55

A signal conduction route to and from the central nervous system is a(n)

Accepted Answer

reflex arc.

Question 56

Excitable cells that conduct the impulses are called

Accepted Answer

neurons.

Question 57

What term describes the bundles of nerve fibers within the central nervous system?

Accepted Answer

tracts

Question 58

This is the site of communication between neurons.

Accepted Answer

synapse

Question 59

The somatic nervous system carries information to the

Accepted Answer

skeletal muscles.

Question 60

The glia cells that help form the blood-brain barrier are the

Accepted Answer

astrocytes.

Question 61

The _____ of a neuron is a single process that usually extends from a tapered portion of the cell body.

Accepted Answer

axon

Question 62

The _____ nervous system is a complex network of nerve pathways embedded in the intestinal wall with a network of integrators and feedback loops that can act somewhat independently.

Accepted Answer

enteric

Question 63

This tends to be the longest cytoplasmic projection from a neuron.

Accepted Answer

axon

Question 64

The efferent pathways of the autonomic nervous system can be divided into the __________ divisions.

Accepted Answer

parasympathetic and sympathetic

Question	Answer
A muscle with fascicles that insert into only one side of the tendon is categorized as	unipennate.
The continuous low level of sustained contraction maintained by all skeletal muscles is muscle	tone.
A muscle with fascicles that insert into the tendon from both sidesis categorized as	bipennate.
The biceps brachii has this fascicle arrangement, which maximizes the range of motion possible.	parallel
In addition to the Pectoralis major, another muscle that displays this pattern of fascicle arrangement is Latissimus dorsi.	convergent
The muscle that helps hold the scapula against the thorax and is useful in pushing or punching movements is the	serratus anterior.
The muscle fascicle arrangement for Orbicularis oris is best characterized as	circular.
This arrangement of muscle fascicles tends to be triangular in shape. The Pectoralis major is an example of a muscle with this type of muscle fascicle arrangement.	convergent
The individual muscle fibers are covered by a connective tissue membrane called the	endomysium.
The Sartorius muscle, a thin straplike muscle would have muscle fascicles arranged in	parallel.
Muscles with this type of muscle fascicle arrangement are either fusiform or straplike in appearance.	parallel
The innermost muscle of the abdominal wall is the	transverse abdominis.
An example of a muscle with this type of fascicle arrangement is the orbicularis oris	circular
Muscles that move the forearm include which of the following?	All of these are correct.
The fibrous connective tissue that surrounds the entire muscle and is outside the epimysium and tendon is called the	fascia.
The long axes of the fascicles run parallel to the long axis of the muscle is a description of this type of fascicle arrangement.	parallel
The common tendon of the gastrocnemius and soleus is called the	calcaneal tendon.
The point of attachment that does not move when the muscle contracts is the	origin.
Muscles that move the wrist, hand, and fingers can be	extrinsic or intrinsic.
The term _____ is used to describe a muscle that directly performs a specific movement.	agonist
The origin of a muscle is on the femur, and the insertion is on the tibia. When it contracts, it bends the knee. Which of the following is true?	The knee is acting as a fulcrum.
Which of the following muscles has fibers on a transverse plane?	Transverse abdominis
Movement is one of the most distinctive and easily observed “characteristics of life.”	True
The Achilles tendon is common to both the gastrocnemius and the soleus.	True
The posterior arm muscle that extends the forearm is the:	triceps brachii.
Just as individual bones are the organs of the skeletal system, individual muscles are the organs of the muscular system.	True
When an athlete injures a muscle of the hamstring group, the injury is on the:	posterior thigh.
A muscle is attached to the femur and tibia. Its function or action is to bend the knee. When it contracts, it is acting as the:	prime mover.
Which of the following is not a group of pennate muscles?	Tripennate
Muscles may be named according to:	all of the above.
Which of the following is not a muscle of the quadriceps femoris group?	Biceps femoris
The most common type of lever in the body is a _____-class lever.	third
The covering of individual muscle fibers is the:	endomysium.
The muscle(s) assisting in rotating the arm outward is (are) the:	teres minor.
The muscle that extends and adducts the arm is the	latissimus dorsi.
The linea alba is a band of connective tissue that runs over the rectus abdominis from the xiphoid process to the pubis.	True
Fascia is a general term for the fibrous connective tissue found under the skin and around muscle.	True
The latissimus dorsi muscle is an example of a _____ muscle.	spiral
Muscles located on the lower leg move the:	foot.
The pectoralis major muscle is an example of a _____ muscle.	convergent
Which of the following statements about the muscles of the thorax is incorrect?	When the diaphragm contracts, it decreases the volume of the thoracic cavity and expels air from the lungs.
Which of the following body systems assists the muscles in maintaining posture?	All of the above
Groups of skeletal muscle fibers are bound together by a connective tissue envelope called the:	perimysium.
There are more than 600 muscles in the body.	True
The origin of a muscle is on the femur, and the insertion is on the tibia. When it contracts, it bends the knee. Its fibers run parallel to the body. Which of the following terms might be part of its name?	Both A and C Rectus /Femoris
The muscle that raises or lowers the shoulders or shrugs them is the:	trapezius.
Another name for a sphincter muscle is a _____ muscle. spiral	circular
The origin of a muscle is on the femur, and the insertion is on the tibia. When it contracts, it bends the knee. Its fibers run parallel to the body. Which of the following terms might be part of its name?	Flexor
Another name for a skeletal muscle cell is a(n):	muscle fiber.
Which of the following statements about the muscles of the head is incorrect?	The splenius capitis muscle is sometimes called the prayer muscle because it causes the head to bow.
Nerves that originate from the brain are called _____ nerves.	cranial
What structure of the Schwann cell is essential to normal nerve growth and the regeneration of injured nerve fibers?	neurilemma
Chemical signals diffuse between neurons at this location.	synapse
Which of the following is not a structural classification of neurons?	polar
A signal conduction route to and from the central nervous system is a(n)	reflex arc.
Excitable cells that conduct the impulses are called	neurons.
What term describes the bundles of nerve fibers within the central nervous system?	tracts
This is the site of communication between neurons.	synapse
The somatic nervous system carries information to the	skeletal muscles.
The glia cells that help form the blood-brain barrier are the	astrocytes.
The _____ of a neuron is a single process that usually extends from a tapered portion of the cell body.	axon
The _____ nervous system is a complex network of nerve pathways embedded in the intestinal wall with a network of integrators and feedback loops that can act somewhat independently.	enteric
This tends to be the longest cytoplasmic projection from a neuron.	axon
The efferent pathways of the autonomic nervous system can be divided into the __________ divisions.	parasympathetic and sympathetic
Which of these glia cells are located in the peripheral nervous system?	Schwann cells
Bundles of myelinated fibers make up the	white matter of the nervous system.
These regions of the neuron direct electrical currents toward the cell body.	dendrite
The ________ of a presynaptic neuron associates with the dendrite of a postsynaptic neuron.	axon terminal
The structural and functional center of the entire nervous system is the _____ nervous system.	central
Neurons have	very limited capacity to repair themselves.
The white matter of the nervous system is made up of:	myelinated fibers.
Which is true of a reflex arc?	It always consists of an afferent neuron and an efferent neuron.
The part of the nervous system that transmits impulses from the CNS to the skeletal muscle is the:	somatic nervous system.
Most unipolar neurons are usually	sensory neurons.
Astrocytes attach to:	both A and C. neurons/blood vessels.
Nerves that contain mostly afferent fibers are called _____ nerves.	sensory
Along a neuron, the correct pathway for impulse conduction is:	dendrite, cell body, and axon.
Neurons in the CNS have less chance of regenerating for all of the following reasons except:	microglia lay down scar tissue.
The efferent pathways of the autonomic nervous system consist of the ________ nervous systems.	sympathetic and parasympathetic
Fascicles are held together by a connective tissue layer called the:	perineurium.
The nervous system is organized to do which of the following?	All of the above are true.
Multipolar neurons have:	multiple dendrites and one axon.
The lymphatic system, like the circulatory system, is a closed circuit.	False
Which of the following is the deepest connective tissue layer of a nerve?	Endoneurium
A neuron that transmits a nerve impulse toward the central nervous system is called a(n):	sensory neuron.
Interneurons reside in the:	CNS only.
The autonomic nervous system does not stimulate:	skeletal muscles.
Which of the following is not a function of the central nervous system (CNS)?	Integrating sensory information Evaluating the information Initiating an outgoing response All of the above are functions of the CNS.
The nervous system can be divided:	according to its structure. according to direction of information flow. by control of effectors. in all of the above ways.
One of the components of the blood-brain barrier is:	astrocytes.
Dendrites conduct impulses _____ cell bodies.	toward
The largest and most numerous types of neuroglia are the:	astrocytes.
Which of the following compounds cannot cross the blood-brain barrier?	Dopamine
The afferent pathways of the autonomic nervous system:	carry feedback information to integrating centers in the brain.
A neuron that has only one axon but several dendrites is classified as a _____ neuron.	multipolar
Small distinct regions of gray matter in the CNS are called:	nuclei.
In the human nervous system:	there are almost equal numbers of glia cells and neurons.
Gray matter in the brain and spinal cord consists primarily of:	cell bodies.
Which is not true of the myelin sheath?	It covers cell bodies in the brain and spinal cord.
Regeneration of nerve fibers will take place only if the cell body is intact and the fibers have:	a neurilemma.
The large fluid-filled spaces within the brain are called the	ventricles.
The two efferent divisions of the autonomic nervous system are the	sympathetic and parasympathetic divisions.
Dendrites and cell bodies of sympathetic preganglionic neurons are located in the	gray matter of the thoracic and upper lumbar segments of the spinal cord.
The three divisions of the brain that make up the brainstem are the	medulla oblongata, midbrain, and pons.
How many pairs of spinal nerves are connected to the spinal cord?	31
Spinal cord tracts provide conduction paths to and from the brain. The tracts that conduct sensory impulses down the cord from the brain are called _____ tracts.	descending
If you trace the axon inside the sympathetic chain ganglion, the preganglionic fiber branches along which pathway?	synapses with a sympathetic postganglionic neuron sends ascending or descending branches through the sympathetic trunk to synapse with postganglionic neurons in other chain ganglia passes through one or more ganglia without synapsing
The inner protective covering of the brain is called the	meninges.
The lower end of the spinal cord, with its attached spinal nerve roots, gives the appearance of a horse’s tail called the	cauda equina.
The ventral rami of most spinal nerves subdivide to form complex networks called	plexuses.
A subdivision of the nervous system that regulates involuntary effectors is the _____ nervous system.	autonomic
The enteric nervous system is made up of a complex network of nerve plexuses that control the visceral effectors in the	intestinal wall.
Individual nerves that emerge from the _____ plexus innervate the lower part of the shoulder and the entire arm.	brachial
The dorsal root of each spinal nerve is easily recognized as a swelling called the	dorsal root ganglion.
A patient complains of numbness in the skin of the buttocks and the posterior surface of the thigh and leg. The spinal nerve or peripheral branch most likely involved with this condition is the _____ plexus.	coccygeal
The brainstem does not include the:	cerebellum.
There are _____ ventricles in the brain.	four
All cell bodies of the autonomic nervous system are located within the CNS.	False
All of the following are characteristics of sympathetic preganglionic neurons except:	they have long fibers from CNS to ganglion
Which of the following is not a branch of the trigeminal nerve?	Zygomatic nerve
Cerebrospinal fluid is found in all of the following except the:	subdural space.
The lumbar plexus gives rise to the _____ nerve.	femoral
Several “vital centers” are located in the:	medulla.
Cerebrospinal fluid circulates through the ventricles, into the central canal, and _____, and is absorbed back into the blood.	subarachnoid space
The cranial nerve that arises from the spinal cord is the:	accessory.
Which part of the brain releases the hormone melatonin?	Pineal gland
The nerve commonly called the vagus nerve is the _____ cranial.	tenth
Spinal nerves are _____ fibers.	motor and sensory
Visceral effectors are innervated by sympathetic fibers.	True
The sensory cranial nerves include only the:	olfactory, optic, and vestibulocochlear.
The peripheral nervous system includes:	only cranial nerves, spinal nerves, and their branches.
Beta receptors:	bind norepinephrine.
The spinal tract is located on the side of the cord, originates in the brain, and terminates in the spinal cord in the _____ tract.	lateral corticospinal
Nerve fibers of the spinothalamic tract are:	sensory.
The autonomic nervous system includes only efferent neurons.	False
The cervical plexus:	is found deep in the neck. is formed by the ventral rami of the first four cervical nerves and part of C5. includes the phrenic nerve.
Which part of the vertebral column has one more pair of nerves coming from it than it has vertebrae?	Cervical
Which of the following is not true?	One bundle of nerve fibers (nerve roots) projects from each side of the spinal cord.
Sensory neurons can operate in autonomic reflex arcs.	True
The layer of the meninges that serves as the inner periosteum of the cranial bone is the	dura mater.
Some parasympathetic postganglionic neurons have their cell bodies in nuclei in the brainstem.	False
The part(s) of the cerebrum associated with anger, fear, and sorrow is (are) the:	limbic system.
All of the following cranial nerves have a functional classification of motor except:	vestibulocochlear.
The brain has _____ major divisions.	six

Brinada Cardenas

Anatomy Week 6-13

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