Exam #2 Questions

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Your patient complains of muscle pain in the posterior thigh and is having trouble flexing the knee. What muscle could be injured? -biceps femoris -piriformis -tibialis anterior -gastrocnemius -quadriceps femoris

biceps femoris

Which muscle is anterior to the scapular spine and is part of the rotator cuff muscles? -teres minor -teres major -supraspinatus -infraspinatus -subscapularis

subscapularis

During muscle contraction, the thin filaments move towards which part of the sarcomere? -M line -Z disc -I band -titin filament -tropomyosin

M line

Which of the following muscles is used to look to the right with the right eye? -Inferior rectus -Superior rectus -Medial rectus -Lateral rectus -inferior oblique

Lateral rectus

What binds with troponin to expose the active sites for cross-bridge formation? -myosin -actin -ATP -tropomyosin -calcium

calcium

Which of the following muscles is associated with extension of the spine? -longissimus -rectus abdominis -levator scapulae -sternocleidomastoid -rhomboid minor

longissimus

A muscle that extends the neck will most likely have its insertion in which bone? -mandible -hyoid -occipital -cervical vertebra -scapula

occipital

Which of the following is paired correctly with regards to the structure that forms the joint? -pubic symphysis; fibrous -cranial sutures; cartilaginous -interosseous membrane; cartilaginous -intervertebral joints; fibrous -scapula and humerus; synovial

scapula and humerus; synovial

Which of the following bone(s) articulates with the femur? -tibia -fibula -tibia and fibula -tibula and fibia -sacrum and coxal bones

tibia

Which of the following bone features in the upper limb is most distal? -deltoid tuberosity -lesser tubercle -radial head -ulnar head -olecranon

ulnar head

Which of the following associations is most accurate? -synarthroses; slightly movable -amphiarthroses; freely movable -diarthroses; immovable -diarthroses; synovial -syndesmosis; synarthrosis

diarthroses; synovial

Which of the following muscle rules is correct? -muscles always pull towards the insertion -insertion is always proximal -muscles always cross two joints -muscle in the same compartment will probably have same function -muscles can have an origin and an insertion on the same bone

muscle in the same compartment will probably have same function

The shoulder joint is a ______ joint and involves the articulation of the ______. -biaxial; humerus and clavicle -biaxial; humerus and scapula -monoaxial; humerus, scapula and clavicle -triaxial; humerus and clavicle -triaxial; humerus and scapula

triaxial; humerus and scapula

Which muscle extends the big toe? -extensor digiti minimi -extensor hallucis longus -extensor carpi hallucis longus -extensor digitorum longus -extensor pollicis longus

extensor hallucis longus

Which bone feature is present on all vertebrae and allows for the passage of the spinal cord? -spinous process -transverse foramen -intervertebral foramen -transverse process -vertebral foramen

vertebral foramen

The brachioradialis muscle is involved in: -extension of the shoulder -flexion of the elbow -flexion of the wrist -abduction of the fingers -adduction of the arm

flexion of the elbow

Julia is teaching her peers about the characteristics of the smooth muscle. Which part of her explanation is correct? -Smooth muscle tissue fibers do not contain thick and thin filaments -Smooth muscle tissue fibers are under voluntary control -Smooth muscle tissue fibers do not present autorhythmicity, only cardiac muscle -Smooth muscle tissue fibers do not contain striations -Smooth muscle tissue fibers are organized into sarcomeres

Smooth muscle tissue fibers do not contain striations

At the elbow joint, which of the following is NOT correct? -The trochlea is articulated with the trochlear notch when the elbow is flexed. -The head of the radius is always articulated with the radial notch on the ulna. -The coronoid process is articulated with the coronoid fossa when the elbow is extended. -The head of the radius is always articulated with the capitulum. -The trochlea is articulated with the trochlear notch when the elbow is extended.

The coronoid process is articulated with the coronoid fossa when the elbow is extended.

Which of the following inaccurately describes the pectoral/pelvic girdles? -The pectoral girdle does not articulate directly with the vertebral column. -The pelvic girdle articulates directly with the vertebral column via the sacroiliac joint. -The pelvic girdle supports more weight than the pectoral girdle. -The glenoid cavity allows for a greater range of motion, as compared to the acetabulum. -The pectoral girdle is formed by 1 bone and the pelvic girdle is formed by 3 bones.

The pectoral girdle is formed by 1 bone and the pelvic girdle is formed by 3 bones.

In regards to the arrangement of fascicles, which of the following is correctly matched? -Multipennate, pectoralis major -Bipennate, biceps femoris -Unipennate, flexor digitorum longus -Wrapping, supinator -Parallel, triceps brachii

Wrapping, supinator

Which torso muscles are involved in rotation of the abdomen? -longissimus, iliocostalis, spinalis -rectus abdominis, psoas major -external oblique, internal oblique, quadratus lumborum -iliocostalis, longissimus, internal oblique, external oblique -internal oblique, external oblique, psoas major

iliocostalis, longissimus, internal oblique, external oblique

Which muscle can both extend and adduct the arm? -pectoralis major -pectoralis minor -latissimus dorsi -teres major -teres minor

latissimus dorsi

Which bone(s) articulate with the distal portion of the ulna? -humerus and scapula -humerus and radius -radius and carpals -metacarpals -carpals and metacarpals

radius and carpals

In which bone is the mandibular fossa located? -temporal -maxilla -mandible -occipital -zygomatic

temporal

Which of the following muscles is involved in mastication? -occipitofrontalis -temporalis -digastric -zygomaticus major -mylohyoid

temporalis

Which of the following is a tendon characteristic? -attaches muscles to bone -fully vascular -contains muscle cells -consists of elastic fibers -fragile tissue

attaches muscles to bone

Which type of motion is found between the acetabulum and femoral head? -hinge -ball-and-socket -condylar -ellipsoid -pivot

ball-and-socket

A sagittal section is a plane that: -is at right angles to the longitudinal axis -divides the body into left and right sections -divides the body into anterior and posterior sections -divides the body into caudal and cranial sections

divides the body into left and right sections

The distal tip of the fibula: -contains a ridge called the linea aspera -forms the medial malleolus -forms part of the ankle joint -articulates with the distal end of the femur -articulates with the medial cuneiform

forms part of the ankle joint

The distal end of the tibia: -articulates with the distal end of the ulna -contains a ridge called linea aspera -forms the elbow joint -forms the medial malleolus -supports most of the weight of the body

forms the medial malleolus

Which bone feature is a muscle attachment site rather than a joint surface? -humeral head -lateral femoral condyle -acetabulum -medial tibial condyle -greater trochanter

greater trochanter

The pelvic girdle meets the axial skeleton where the: -acetabulum articulates to the head of the femur -ilium articulates to the sacrum -sacrum articulates to the fifth lumbar vertebra -femur articulates to the tibia -where the ischium, pubis and ilium meet

ilium articulates to the sacrum

Which bone feature will the lateral condyle of the femur articulate with? -medial epicondyle of the femur -lateral epicondyle of the femur -medial malleolus of the tibia -medial condyle of the tibia -lateral condyle of the tibia

lateral condyle of the tibia

Choose the bone features that belong to the bone of your arm and are located laterally. -trochlea, radial fossa, coronoid fossa, head of the radius -lateral epicondyle, capitulum, radial fossa, greater tubercle -deltoid tuberosity, lateral epicondyle, trochlea, coronoid fossa -head of the humerus, capitulum, lesser tubercle, radial fossa -greater tubercle, deltoid tuberosity, coronoid fossa, trochlea

lateral epicondyle, capitulum, radial fossa, greater tubercle

When pedaling your bike, which of the following movements are NOT being performed? -Extension at the knee -flexion at the hip -extension at the hip -flexion at the knee -lateral rotation at the hip

lateral rotation at the hip

Which medial muscles belongs to the group known as the "hamstrings"? -semimembranosus and biceps femoris -biceps femoris -semitendinosus and semimembranosus -biceps femoris and semitendinosus -adductor magnus and adductor longus

semitendinosus and semimembranosus

While driving to school to take an anatomy test, Peter gets in a car accident and breaks the clavicle on the steering wheel. Which of the following muscles is the most likely damaged in this injury? -mylohyoid -stylohyoid -sternocleidomastoid -digastric -sternohyoid

sternocleidomastoid

Which of the following muscles depresses the hyoid bone when contracting? -sternocleidomastoid -mylohyoid -sternohyoid -scalenes -splenius capitis

sternohyoid

Which type of epithelium is present where easy exchange of materials out of the blood is most important? -stratified squamous -pseudostratified columnar ciliated -stratified cuboidal -transitional

stratified cuboidal epithelium

An oncologist is working a case in which an individual came in with a form of skin cancer. It was found that these new skin cells were quickly reproducing without pause and caused concern. In which layer would this be occurring in? - stratum granulosum - stratum spinosum - stratum basale - stratum lucidum - stratum corneum

stratum basale

Which statement about the diaphragm openings is correct? -the aorta and inferior vena cava pass through the aortic hiatus -the esophagus and vagus nerve pass through the esophageal hiatus -the inferior vena cava and the vagus nerve pass through the aortic hiatus -the aorta, azygos vein and thoracic duct pass through the caval opening -the esophagus and the vagus nerve pass through the caval opening

the esophagus and vagus nerve pass through the esophageal hiatus

Which statement about the intercostals is correct? -the external originates on the superior border of the rib above -the external inserts on the inferior border of the rib below -the internal elevates the ribs when it contracts -the external, upon contraction, creates a wider space between the ribs -the internal is superficial to the external intercostals

the external, upon contraction, creates a wider space between the ribs


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