Q&A Hero

Philosophy

Q: The rectus abdominis is a __________ muscle, while the rectus femoris is a __________ muscle. A. fusiform; parallel B. parallel; bipennate C. convergent; unipennate D. bipennate; parallel E. multipennate; convergent
Q: The occipitalis and frontalis are connected via the __________. A. galea retinaculum B. galea aponeurotica C. galea cranium D. galea orbicularis E. galea neurotica
Q: Which of the following muscles of facial expression is not innervated by the facial nerve? A. Orbicularis oculi B. Zygomaticus major C. Corrugator supercilii D. Levator palpebrae superioris E. Buccinator
Q: The study of the muscular system is known as __________. A. kinesiology B. pathophysiology C. myology D. biology E. neurology
Q: Which of the following is not a function of the muscular system? A. Stability B. Heat production C. Control of openings D. Secretion E. Breathing
Q: What term best describes the relationship between the pronator quadratus and supinator? A. Fixators B. Antagonists C. Synergists D. Prime movers E. Depressors
Q: Muscle fibers are arranged in bundles called ___________. A. compartments B. fascicles C. retinacula D. aponeuroses E. groups
Q: Which of the following describes muscular tissue emerging directly from bone rather than being separated from it by an obvious tendon? A. Direct attachment B. Indirect attachment C. Inverted attachment D. Insertion E. Origin
Q: The rectus femoris is an example of what muscle shape? A. Fusiform B. Parallel C. Triangular D. Elongated E. Pennate
Q: Groups of muscles are separated by which of the following? A. Epimysium B. Fascicles C. Perimysium D. Fascia E. Endomysium
Q: Which term below best describes the deltoid? A. Fusiform B. Intrinsic C. Involuntary D. Extrinsic E. Parallel
Q: Which term best describes the relationship of the deltoid and SITS muscles during shoulder abduction? A. Prime movers B. Antagonists C. Synergists D. Fixators E. Adductors
Q: The semitendinosus is an example of what muscle shape? A. Triangular B. Fusiform C. Sphincter D. Convergent E. Pennate
Q: Which of the following muscles is the prime mover for inhalation? A. Internal intercostals B. External intercostals C. Diaphragm D. Stylohyoid E. Hyoglossus
Q: Which of the following extensors of the head is the most superficial? A. Trapezius B. Semispinalis capitis C. Splenius capitis D. Sternocleidomastoid E. Temporalis
Q: The ligament that attaches the lateral femoral epicondyle to the fibula is called the __________. A. anterior cruciate ligament (ACL) B. posterior cruciate ligament (PCL) C. fibular (lateral) collateral ligament (LCL) D. tibial (medial) collateral ligament (MCL) E. patellar ligament
Q: The fibrocartilage pad between the medial condyle of the femur and the medial condyle of the tibia is called the __________. A. anterior cruciate ligament (ACL) B. posterior cruciate ligament (PCL) C. infrapatellar bursa D. medial meniscus E. lateral meniscus
Q: Which of the following structures prevents knee hyperextension? A. The anterior cruciate ligament (ACL) B. The posterior cruciate ligament (PCL) C. The fibular (lateral) collateral ligament D. The medial meniscus E. The lateral meniscus
Q: The talocrural joint is formed by the union of the __________, the _________, and the _________. A. femur; calcaneus; talus B. femur; tibia; patella C. tibia; fibula; talus D. tibia; fibula; calcaneus E. tibia; calcaneus; talus
Q: The jaw joint is the articulation of the __________ and the __________. A. mandible; temporal bone B. mandible; sphenoid bone C. mandible; zygomatic bone D. mandible; maxilla E. maxilla; zygomatic
Q: The rotator cuff tendons enclose the shoulder joint on all sides except _______________, which partly explains the nature of most shoulder dislocations. A. anteriorly B. posteriorly C. superiorly D. inferiorly E. medially
Q: Which of the following structures is not found in the shoulder? A. The glenohumeral ligament B. The transverse humeral ligament C. The coracohumeral ligament D. The radioulnar ligament E. The rotator cuff
Q: The __________ bursa is not an accessory structure of the glenohumeral joint. A. subdeltoid B. subcoracoid C. subpatellar D. subacromial E. subscapular
Q: Radial (lateral) and ulnar (medial) collateral ligaments restrict side-to-side movements of the __________ joint. A. shoulder B. elbow C. wrist D. hip E. knee
Q: The __________ is not found in the elbow. A. humeroulnar joint B. humeroradial joint C. proximal radioulnar joint D. distal radioulnar joint E. anular ligament
Q: Which of the following is the most stable joint? A. Coxal joint B. Glenohumeral joint C. Tibiofemoral joint D. Humeroulnar joint E. Humeroradial joint
Q: Which of the following is the largest and most complex diarthrosis in the body? A. The hip B. The knee C. The elbow D. The shoulder E. The wrist
Q: The _________ deepens the socket of the hip joint and helps stabilize the joint. A. fovea capitis B. greater trochanter C. lesser trochanter D. acetabular labrum E. ischial tuberosity
Q: The __________ is not part of the tibiofemoral joint. A. lateral meniscus B. anterior cruciate ligament (ACL) C. tibial (medial) collateral ligament D. fibular (lateral) collateral ligament E. posterior tibiofibular ligament
Q: When doing a pushup, your shoulders __________ as your body is pushed upward. A. protract B. retract C. supinate D. hyperextend E. elevate
Q: A monoaxial joint, like the elbow, is capable of which one of the following movements? A. Circumduction B. Supination and pronation C. Flexion and extension D. Rotation E. Abduction
Q: Raising your hand and placing it on the shoulder of a person standing in front of you, requires __________ of the shoulder. A. abduction B. adduction C. extension D. flexion E. elevation
Q: Showing your palm to someone who is in front of you, as if to tell them "Stop," requires __________. A. dorsiflexion of the hand B. hyperextension of the wrist C. abduction of the wrist D. flexion of the wrist E. hyperextension of the metacarpophalangeal joints
Q: To tip the soles of the feet medially, so they face each other, requires __________. Tipping them out laterally so they face away from each other is __________. A. dorsiflexion; plantar flexion B. inversion; eversion C. medial excursion; lateral excursion D. opposition; reposition E. retraction; protraction
Q: The temporomandibular joint is a(n) __________ joint. A. osseous B. cartilaginous C. bony D. fibrous E. synovial
Q: When you hold out your hands with the palms up, __________ your wrists will tip your palms toward you. A. hyperextending B. circumducting C. rotating D. flexing E. abducting
Q: Raising an arm to one side of the body to stop a taxi, is an example of __________ of the shoulder. A. abduction B. adduction C. circumduction D. rotation E. protraction
Q: In humans, normal chewing involves ___________ and __________ of the mandible. A. protraction; retraction B. opposition; reposition C. elevation; pronation D. elevation; depression E. supination; depression
Q: Suppose you cup your hands to hold some water. To limit the amount of leaking through your hands, this action would most likely require __________. A. pronation of the forearm B. circumduction of the wrists C. opposition of the thumb D. abduction of the fingers E. adduction of the fingers
Q: While standing, looking up at the stars requires __________. A. elevation of the mandible B. extension of the neck C. hyperextension of the neck D. abduction of the neck E. dorsiflexion of the neck
Q: If you stand on tiptoes to reach something high, you are performing __________ at the ankle. A. plantar flexion B. abduction C. opposition D. dorsiflexion E. eversion
Q: With the elbow and wrist extended, painting a circle on a canvas requires __________ of the shoulder. A. rotation B. circumduction C. extension D. flexion E. elevation
Q: A(n) __________ is a sac of fluid associated with a synovial joint. A. articular sac B. synovial vesicle C. bursa D. meniscus E. articular cavity
Q: Which of the following is a first-class lever? A. The humeroulnar joint B. The talocrural joint C. The knee joint D. Any metacarpophalangeal joint E. The atlanto-occipital joint
Q: Which of the following is true regarding joints that are first-class levers? A. Their mechanical advantage may be either greater or less than 1.0. B. Their mechanical advantage is always less than 1.0. C. Their output force is always greater than the input force. D. Their resistance is between the joint (fulcrum) and the distal end of the bone (effort). E. The joint (fulcrum) is at the opposite end from the tendinous insertion (effort).
Q: Which of the following is not a factor that determines the range of motion of a joint? A. The shapes of the bone surfaces B. The length of the bone C. The stiffness of the ligaments D. The strength of the ligaments E. The action of the muscles associated with the joint
Q: One example of a multiaxial joint is the __________ joint. A. proximal radioulnar B. metatarsophalangeal C. humeroulnar D. humeroscapular E. atlantoaxial
Q: The proximal radioulnar joint is a __________ joint. A. ball-and-socket B. saddle C. hinge D. pivot E. condylar
Q: The union of the proximal and middle phalanges form __________ joints. A. pivot B. plane (gliding) C. hinge D. saddle E. condylar (ellipsoid)
Q: The metacarpophalangeal joints at the base of the fingers are ___________ joints. A. ball-and-socket B. condylar C. pivot D. hinge E. plane (gliding)
Q: When you walk up the stairs, your hip and knee joints __________ to lift your body weight. A. rotate B. abduct C. adduct D. flex E. extend
Q: The joint between the left and right parietal bones is called the __________. A. lambdoid suture B. sagittal suture C. coronal suture D. parietal joint E. cranial joint
Q: The least movable joints are _____________ joints. A. symphysis B. synchondrosis C. syndesmosis D. gomphosis E. synostosis
Q: The most movable joints are ___________ joints. A. symphysis B. synovial C. syndesmosis D. gomphosis E. synchondrosis
Q: Which of the following is not an anatomical component of a synovial joint? A. Articular cartilage B. The joint cavity C. The interosseous membrane D. The fibrous capsule E. The synovial membrane
Q: The smooth, connective tissue lining that covers the opposing bony surfaces of a synovial joint is called __________. A. articular cartilage B. a ligament C. the fibrous capsule D. a synovial membrane E. the joint cavity
Q: The main stabilizer of the shoulder is the biceps brachii muscle.
Q: Which of the following is not a major joint category? A. Elastic B. Synovial C. Cartilaginous D. Fibrous E. Bony
Q: The joint between the first costal cartilage and the sternum, is a __________, whereas the other costal cartilages are joined to the sternum by __________ joints. A. syndesmosis; synovial B. synchondrosis; synovial C. synostosis; cartilaginous D. synarthrosis; cartilaginous E. symphysis; cartilaginous
Q: Unlike other joints, a __________ does not join two bones to one another. A. suture B. syndesmosis C. gomphosis D. cartilaginous joint E. bony joint
Q: What do sutures, gomphoses, and syndesmoses have in common? A. These are joints found only in the appendicular skeleton. B. These are joints found only in the axial skeleton. C. These are all bony joints. D. These are all fibrous joints. E. These are cartilaginous joints.
Q: The joint between the diaphyses of the radius and ulna is a __________. A. suture B. gomphosis C. syndesmosis D. synchondrosis E. symphysis
Q: The epiphysis and diaphysis of a long bone in a child are bound by a __________. A. synchondrosis B. symphysis C. serrate suture D. lap suture E. plane suture
Q: Some joints become synostoses by replacing __________ with __________. A. fibers; cartilage B. cartilage; fibers C. bone; cartilage D. bone; fibers E. fibers; bone
Q: The joint between the L2 and L3 vertebrae is a __________. A. synostosis B. gomphosis C. synchondrosis D. symphysis E. syndesmosis
Q: The study of joint structure, function, and dysfunction is called __________. A. kinesiology B. arthrology C. osteology D. biomechanics E. synostology
Q: Coronal, sagittal, and lambdoid are examples of __________. A. syndesmoses B. gomphoses C. serrate sutures D. plane sutures E. lap sutures
Q: The elbow has both pivot and hinge joints.
Q: One difference between the male and female pelvis is that the subpubic angle of a female is generally __________. A. greater than 100 degrees B. less than 90 degrees C. greater than 120 degrees D. less than 20 degrees
Q: An articulation is any point at which two bones meet.
Q: Bony joints are the most common type of joints.
Q: Fibrous joints are joints, at which two bones are united by hyaline cartilage.
Q: Symphyses are the most common type of fibrous joints.
Q: Synovial fluid is rich in albumin and hyaluronic acid, which give it a viscous texture similar to egg white.
Q: Bursae are structures associated with fibrous, cartilaginous, and synovial joints.
Q: The forearm acts as a third-class lever during flexion of the elbow.
Q: The shoulder is the only multiaxial, ball-and-socket joint in the human body.
Q: Circumduction is limited to ball-and-socket joints.
Q: Hinge joints, such as the tibiofemoral joint, are monoaxial.
Q: Under normal circumstances, the wrist can be hyperextended, but the elbow cannot.
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