Chapter 4 Body systems Flashcards
Which of the following is a true statement about bones?
Some bones are flexible to allow for greater freedom of movement.
There are 197 bones in the adult human body.
Bones are used as lever arms to facilitate body movements.
Bones contract as you move.
Bones are used as lever arms to facilitate body movements
What differentiates cardiac muscle from smooth muscle?
Cardiac muscle is found in all major organs, and smooth muscle is not.
Cardiac muscle is only found in the heart, and smooth muscle is found elsewhere.
Smooth muscle is voluntary, and cardiac muscle is involuntary.
Smooth muscle has visible stripes, and cardiac muscle does not.
Cardiac muscle is only found in the heart, and smooth muscle is found elsewhere.
Which of the following explains how a person straightens his arm at the elbow?
The tricep muscle contracts, pulling the owner away from the upper arm while the biceps muscle is relaxed.
Both the biceps and triceps muscles relax, and the arm straightens to its default setpoint.
The biceps muscle is used to push for arm away from the upper arm while the triceps muscle is relaxed.
The biceps and triceps muscles work together to pull the owner away from the upper arm.
The tricep muscle contracts, pulling the owner away from the upper arm while the biceps muscle is relaxed.
Which of the following best explains how a muscle cell exerts force?
The muscle cell shortens or contracts and exerts a pulling force on whatever is attached to both ends.
The muscle So expands and exerts a pushing force against whatever it is attached to it.
The The muscle cell fold itself in half and exerts a pulling force on whatever it is attached to the end that was folded over.
When the muscle Sell contracts it Exerts a pulling force on whatever is attached, and when it relaxes it Exerts a pushing force against the same objects.
The muscle cell shortens or contracts and exerts a pulling force on whatever is attached to both ends.
What problem would be caused by a lack of cartilage in someone’s body?
The Endoskeleton would be too flexible.
The movement would be hindered, and their bones rub together.
The cartilage muscles would fail and intern cause heart problems.
Their muscles would fail to connect.
The movement would be hindered, and their bones rub together.
Which of the following is considered an axial muscle?
Brachialis
leg muscles
none of these
neck muscle
biceps
Neck muscle
Which muscle have their origin point on the scapula?
Latissimus Dorsi, deltoid, pectoralis major
biceps, triceps, pectoralis major
biceps, brachialis, triceps
deltoid, biceps, triceps
deltoid, pectoralis major,Pectoralis minor
Deltoid, biceps, triceps
A muscle located on the ventral side of the arm is most likely a _____?
Intrinsic muscle
extrinsic muscle
flexor
tendon
extensor
Flexor
Which of the following opposing muscle pairs is incorrect?
Biceps: triceps
extrinsic: intrinsic
brachial: carpi
deltoid: pectoralis major
pronator: supinator
Brachial: carpi
Which muscle abducts the arm?
Pectoralis minor
triceps
brachialis
pectoralis major
deltoid
Deltoid
Which of the following are muscles that move the hip?
Gluteus medias and Maximus
gluteus minimus and Maximus
tensor fascia latae and gluteus maximus
gluteus maximus, minimus and medius
All of these muscles move the hip
All these muscles move the hip
Which of the following statements is false?
All of these statements are true.
Flexor muscles are located on the front, or ventral, Side of the leg.
The Iliotibial tract Is made up of fibers.
An a adductor muscle moves her body part towards the body.
The biceps is the flexor muscle in my leg.
Flexor muscles are located on the front, or ventral, Side of the leg.
Which of the following pairs of terms is incorrect.
Patella: knee
lateral group: rotation
abductor: towards
quadriceps: extensors
hamstring: antagonist
Abductor: towards
The pelvic term of the ____?
Appendicular skeleton
vertebral Column
appendicular Muscle system
axial skeleton
Axial muscle system
Appendicular skeleton
The act of standing up from a seated position in gauge is primarily the ______.
Iliotibial band
gluteus maximus
hip abductors
quadriceps hamstrings
Quadriceps
The muscle responsible for unlocking the knee during motion is?
Gastrocnemius
Soleus
Popliteus
Digital Flexor
Tibialis
Popliteus
They achilles tendon is the common name for the_____ tendon.
Tibialis
popliteal
Soleus
digital
calcaneal
Calcaneal
Most Of the muscles that flex and extend the foot have their origin on the?
Tibia and fibula
tibia and humorous
tibia
patella and fibula
carpal bones
Tibia and fibula
The gastrocnemius allows you to____?
All of these are correct
lift your heel when you jump
perform plantar flexion
stand on your tiptoes
none of these are correct
All of these are correct
If you pull the toes of your foot forward and your nose you are performing which movement?
Plantar flexion
dorsal inversion,
Inversion
Planter eversion
Dorsal flexion
Dorsal flexion
Which of the following muscle pairs is incorrect?
Skeletal muscle: striations
chest: axial and appendicular muscles
skeletal muscle: diaphragm
axial muscle: internal oblique
smooth muscle: involuntary
skeletal muscle: diaphragm
Some muscles of the chest assist with breathing while others assist with shoulder movements. Which of the following groups best represents muscles that assist with shoulder movements?
Internal oblique, Teres, pectoral
Serratus, pectoral
intercoastal, Serratus
teres, Intercoastal, diaphragm
Serratus, Pectoral, teres
Serratus, Pectoral, teres
Which of the following is controlled by axial muscles?
Walking
shoulder rotation
bicep curls
facial expressions
Crunches
Facial expressions
Your abdominal muscles contains three layers of muscles on the side. The middle layer is the_____?
Rectus abdominus
External oblique
they are only two layers.
Internal oblique
transverse abdominal
Internal oblique
Which muscles separates the chest from the abdomen?
Rib muscles
serratus muscles
transverse abdominus
teres muscles
diaphragm
Diaphragm
Which of the following muscles helps you turn your face from side to side?
Levator scapula
temporalis
masseter
serratus
sternocleidomastoid
Sternocleidomastoid
The outer muscles on the front of the neck are most likely to insert on which bone?
Clavicle
scapula
cervical vertebrae
larynx
humorous
Clavicle
Which of the following statements is false?
The back contains both axial and appendicular muscles.
Rhomboid muscles originate on both the cervical and thoracic vertebrae.
Rhomboid, serratus and levator scapula all help you sit up straight.
Muscles that move the jaw are only located on the face and head.
The voice box it’s controlled only my neck muscles.
Muscles that move the jaw are only located on the face and head.
Which of the following muscles belongs to the mouth?
Buccinator and pterygoid
Temporalis and Serratus
Pterygoid and sternocleidomastoid
Masseter and sternocleidomastoid
Buccinator and levator
Buccinator and pterygoid
Which of the following affects our mediated by the sympathetic nervous system?
Increased heart rate
decreased lung capacity
bladder contraction
pupil Constriction
Inhibition of the adrenaline glands
Increased heart rate
The sympathetic and parasympathetic nervous system’s are two divisions of the _____?
Central nervous system
somatic nervous system
brain
autonomic
Nervous system
Sensory system
Autonomic nervous system
If a person were confronted with a very dangerous situation, why might their sympathetic nervous system not engage?
Because the parasympathetic nervous system is easier to engage.
Because the sympathetic nervous system had already been engaged earlier that day.
Because their brain thinks there is no chance of survival?
In dangerous Situations, the sympathetic nervous system always engages.
Because their brain thinks there is no chance of survival?
Which of the following affects our mediated by the parasympathetic nervous system?
Bronchiole dilation
Stimulation of the digestive system
release of glucose into the bloodstream by the liver
increased blood flow to the lungs
secretion of epinephrine and norepinephrine by the adrenal glands
Stimulation of the digestive system
The effects of the _____ Can be summed up by the phrase: rest and digest.
Central nervous system
automatic nervous system
sympathetic nervous system
somatic nervous
system parasympathetic
nervous system
parasympathetic system
The flight or fight response is stimulated by the ______.
Somatic nervous system
central nervous system
parasympathetic nervous system
sympathetic nervous system
automatic nervous system
Sympathetic nervous system
How do Thermoreceptors differ from other sensory neurons?
They allow a person to taste.
They sense pain.
They sense temperature.
They sense visual information.
They sense sound.
They sense temperature
What is the first function of the nervous system?
Protect the body from the external environment
remove sensory input from the body.
Process and interpret the sensory input.
Collect sensory input from the body and external environment.
Respond appropriately to the sensory input.
Collect sensory input from the body and external environment.
What component of the body gathers sensory input and delivers it to the brain?
Sensory organs
central nervous system
heart and lungs
digestive organs
Sensory organs
Which of the following functions is controlled by the autonomic nervous system?
Running
sight
pain perception
heart rate
eating
Heart rate
Which of the following is true about motor neurons?
They send signals from sensory neurons to the brain.
They can only control the actions of muscles.
They are the only type of neuron that does not transmit signals.
They tell the brain what the muscles are doing.
They transmit signals to responsive tissues.
They transmit signals to responsive tissues.
