Deck 8: Muscular System

Question 1

The cytoplasm of a muscle fiber (cell) is known as the

A) T tubule
B) Sarcolemma
C) Sarcoplasmic reticulum
D) Sarcoplasm

Answer 1

Sarcoplasm

Question 2

Describe structural organization of the human of the human body

Answer 2

not answered

Question 3

List major organs in each body system

Answer 3

not answered

Question 4

Which of the following is an example of an indirect attachment of skeletal muscle to bone?

A) Joint
B) Ligament
C) Cartilage
D) Tendon

Question 5

Define both medical terms and abbreviations related to all body systems

Question 6

The end of the muscle that is attached to a relatively movable part is known as its

A) Insertion
B) Origin
C) Belly
D) Synapse

Question 7

Which of the following is characteristic of skeletal muscle?

A) It can respond to a stimulus from the nervous system
B) It can contract to produce movement
C) It is attached to the bones of the skeleton
D) It is under voluntary control
E) All of the above

Question 8

Anatomy and Physiology

Question 9

The cell membrane of a muscle fiber (cell) is known as the

A) T tubule
B) Sarcolemma
C) Sarcoplasmic reticulum
D) Sarcoplasm

Question 10

What is the name of the connective tissue sheath that surrounds a muscle?

A) Epimysium
B) Fasiculus
C) Perimysium
D) Endomysium

Question 11

Which of the following is NOT an example of muscle tissue?

A) Skeletal
B) Myelin
C) Visceral
D) Cardiac

Question 12

Which of the following stimulates skeletal muscle to contract?

A) Motor neurons
B) Dendrites
C) Sensory neurons
D) Mitochondria

Question 13

Most of the heat produced by the body is through

A) Visceral muscle contractions
B) Digestion
C) Skeletal muscle contractions
D) Shivering

Question 14

Identify body systems

Question 15

What is the name of the region in which an axon terminal meets a muscle fiber?

A) Synaptic cleft
B) Neuromuscular junction
C) Motor unit
D) Joint

Question 16

Medical Terminology

Question 17

Which of the following must be present for aerobic respiration to occur?

A) Oxygen
B) White muscle fibers
C) Carbon dioxide
D) Nitrogen

Question 18

Describe the normal function of each body system

Question 19

The energy source for muscle contractions is

A) Creatine
B) ATP
C) Calcium
D) Glycogen

Question 20

What is the name of the neurotransmitter responsible for muscle contractions?

A) Calcium
B) Lactic acid
C) Potassium
D) Acetylcholine

Question 21

Which of the following muscles is used to administer an IM injection?

A) Gluteus maximus
B) Gluteus medius
C) Gluteus minimus
D) Iliopsoas

Question 22

Bending the elbow is an example of

A) Flexion
B) Extension
C) Pronation
D) Supination

Question 23

What is the name of the dome-shaped muscle that forms a partition between the thorax and abdomen?

A) Errector spinae
B) Rectus abdominis
C) Diaphragm
D) Rotator cuff

Question 24

What are the products of anaerobic respiration?

A) Large amount of ATP, carbon dioxide and water
B) Amino acids and carbon dioxide
C) Small amount of ATP and lactic acid
D) Glucose and fatty acids

Question 25

Which of the following muscles is/are used to flex the leg and extend the thigh?

A) Gastrocnemius
B) Peroneus
C) Soleus
D) Hamstrings

Question 26

The function of the quadriceps femoris muscle is to

A) Extend the leg
B) Flex the thigh
C) Rotate the leg
D) Adduct the thigh

Question 27

Which of the following muscles assist with inspiration?

A) External intercostal muscles
B) Transverse abdominis
C) Deep back muscles
D) Internal intercostal muscles

Question 28

A muscle that opposes or reverses a particular movement is known as

A) A synergist
B) An antagonist
C) A prime mover
D) A secondary mover

Question 29

How is oxygen debt paid back?

A) Vigorous exercise
B) Conversion of glucose to glycogen
C) Labored breathing
D) Short-term loan

Question 30

Which of the following muscles is responsible for closing the mouth during chewing?

A) Masseter
B) Zygomaticus
C) Buccinator
D) Mastoid

Question 31

Which of the following muscles is located in the neck and is responsible for flexing and rotating the head?

A) Trapezius
B) Errector spinae
C) External oblique
D) Sternocleiodomastoid

Question 32

What is another name for the calcaneal tendon?

A) Achilles tendon
B) Ankle
C) Insole
D) Plantar tendon

Question 33

A buildup of lactic acid in the muscles causes

A) Muscle pain
B) Heat stroke
C) Perspiration
D) Hives

Question 34

Which of the following muscles is used to wink, blink, and squint?

A) Frontalis
B) Orbicularis oculi
C) Buccinator
D) Orbicularis oris

Question 35

What causes anaerobic respiration to occur?

A) Buildup of creatine phosphate
B) Lack of carbon dioxide
C) Lack of oxygen
D) Contraction of the diaphragm

Question 36

Moving the arm away from the body is an example of

A) Eversion
B) Adduction
C) Circumduction
D) Abduction

Question 37

Which of the following muscles does NOT move the shoulder and upper arm?

A) Trapezius
B) Pectoralis major
C) Biceps brachii
D) Deltoid