A&P Test #3

Generate an image of a human skeletal and muscular system diagram with labeled joints and muscles, in a detailed anatomical style.

Understanding Joints and Muscles Quiz

Test your knowledge on the intricate workings of the human skeletal and muscular systems! This comprehensive quiz covers various topics related to joints, muscle fibers, and their functions.

Whether you are a student, a fitness enthusiast, or someone interested in anatomy, this quiz will enhance your understanding and retention of key concepts.

  • 50 multiple choice and checkbox questions
  • Covering areas such as joint types, muscle anatomy, and functions
  • Ideal for learners at all levels!
50 Questions12 MinutesCreated by FlexingMuscle24
________ ____________ is based on the range of motion of a joint.
Structural Classification
Functional Classification
Anatomical Classification
Physiological Classification
T/F: Synarthrosis joints, which are immovable joints, are only cartilaginous.
True
False
Which of the following are amphiarthrosis joints?
Synchondrosis
Synostosis
Symphysis
Syndesmosis
What secretes synovial fluid within a joint capsule?
Epithelial cells
Areolar connective tissue
Collagen fibers
Elastic fibers
Which of the following are functions of synovial fluid?
Lubricates joints
Repairs joints
Distributes nutrients to articular cartilage
Supports joints
T/F: Meniscus (i), also called articular discs, are a pad of articular cartilage between bones.
True
False
What is it called when articulating surfaces are forced out of position?
Luxation
Sprain
Fracture
Hyperextension
A bulging disc is when the compressed anulus fibrosus distorts the nucleus pulpous but doesn't break through.
True
False
What joint is the most frequently dislocated?
Elbow
Knee
Ankle
Glenohumeral
T/F: The elbow joint is made up of two joints: the smaller humero-ulnar joint and the larger humeroradial joint.
True
False
Which of the following are ligaments that support the knee?
Tibial cruciate liagment
Lateral collateral ligament
Patellar ligament
Popliteal ligaments
What is pain and stiffness of skeletal and muscular systems?
Rheumatism
Arthritis
Muscle Weakness
Muscle Atrophy
Which of the following can cause rheumatoid arthritis?
Infection
Allergy
Autoimmune disease
Dislocation
Sprain
Gouty arthritis occurs when uric acid crystals accumulate in synovial fluid. Uric acid is the waste product from metabolizing what?
Lipids
Carohydrates
Nucleic acids
Glucagon
T/F: In a sprained joint, some collagen fibers are torn and the joint is damaged.
True
False
Which of the following is NOT one of the functions of the skeletal system?
Supports soft tissues
Helps maintain body temperature
Defends against infection
Guards entrances and exits
What connective tissue layer surrounds muscle fascicles?
Endomysium
Epimysium
Epicondrium
Perimysium
Skeletal muscles cells develop by the fusion of embryonic cells called______.
Myocytes
Myoblasts
Myosatellite cells
Monocytes
T/F: Transmembrane potential refers to the equal charges on either side of the plasma membrane.
True
False
Which part of a muscle fiber picks up action potential from the sarcolemma?
Sarcoplasm
Transverse tubules
Myofibrils
Voltage-gated channels
What are the lengthwise subdivisions of a muscle cell?
Muscle fascicles
Muscle fibers
Myofilaments
Myofibrils
T/F: Thick filaments are made up of myosin.
True
False
Which part of the muscle fiber stores calcium?
Sarcolemma
Terminal cisternae
T-tubules
Sarcoplasm
T/F: Calcium is actively pumped into the sarcoplasmic reticulum.
True
False
What are the functional contractile units of a muscle fiber?
Myofilaments
Myofibrils
Sarcomere
Sarcolemma
Which of the following contain thick filaments?
M Line
A Band
I band
Z-line
Zone of Overlap
H Band
T/F: Titin, strands of collagen fibers, helps a sarcomere return to its resting length passively.
True
False
What blocks the actin active site?
Tropomysoin
Myosin
Troponin
Calcium
What is the area that marks the boundary between sarcomeres?
Z-Line
M-Line
I Band
A Band
Which of the following are true during contraction?
A band gets wider
Zones of overlap get wider
H band gets smaller
I band gets larger
T/F: When AcH binds to the motor end plate it causes a depolarization.
True
False
Rigor mortis occurs when skeletal muscles run out of _________.
ATP
CP
Glucose
Glycogen
What is the name of the vaccine for tetanus?
HPV
DTaP
MMRV
DT
At ________ ________ lengths, the zone of overlap is reduced and the cross-bridge interaction is decreased.
Long resting
Short resting
Intermediate resting
The ________ ________ is when the action potential moves through sarcolemma and causes the SR to release calcium.
Latent period
Contraction phase
Relaxation phase
Active period
________ ________ is when rapid stimulation continues and the muscle is not allowed to complete relaxation.
Wave summation
Incomplete tetanus
Complete tetanus
T/F: The speed of a motor unit indicates how precisely movement is controlled.
True
False
Which of the following occur when skeletal muscle changes length resulting in motion.
Concentric contraction
Eccentric contraction
Isometric contraction
Isotonic contraction
T/F: Load and speed are inversely related.
True
False
______ respiration occurs in the mitochondria.
Active
Passive
Aerobic
Anaerobic
_______ skeletal muscles have low ATP demands and plentiful oxygen.
Resting
Contracting
Functional
T/F: ATP is the long-term storage molecule for excess energy.
True
False
During rest, ATP is generated from what via aerobic respiration?
Glucose
Fatty acids
Nucleic acids
Oxygen
T/F: The greater the force the lesser the endurance.
True
False
Which fibers have lots of mitochondria?
Fast
Intermediate
Slow
Elastic
Which fibers have a large diameter and are densely packed packed myofibrils?
Slow
Fast
Intermediate
Elastic
T/F: Muscle atrophy occurs because of the lack of muscle activity.
True
False
Anaerobic activities use _______ fibers.
Fast
Slow
Intermediate
Elastic
Which of the following are characteristics of cardiac muscles?
They have intercalated discs.
They are mostly uninucleate.
They have myogenic ability.
They use both anaerobic and aerobic respiration.
They are able to undergo wave summation and tetanic contractions.
They have a long recovery period.
They have lots of gap junctions.
Which of the following are true about smooth muscle?
It is found in five systems.
It is nonstraited.
It does not have actin or myosin.
Its thin filaments are attached to dense bodies.
Multiunit smooth muscle cells are connected to voluntary motor neurons.
It has pace setter cells.
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