Appendicular Skeleton MA&P

25 July 2022
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question
The flat surface of the tibia that articulates with the femur is the superior surface of which landmark?
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Medial and lateral condyles (The flat articular surfaces of the medial and lateral condyles of the tibia form the knee joint with the medial and lateral condyles of the femur.)
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Identify the bone found lateral to the tibia.
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Fibula (the tibia and fibula lie parallel to one another between the knee and ankle.)
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Identify the anatomical landmark resulting in a noticeable bump found on the medial surface of the ankle.
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Medial malleolus (The medial malleolus of the tibia forms the easily visible and palpable bump inside the ankle.)
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Name bone that articulates with the proximal end of the tibia.
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Femur
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Identify the blunt elevation found on the anterior surface of the tibia between the lateral and medial condyles.
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Tibial tuberosity (The tibial tuberosity is found on the anterior surface of the proximal part of the tibia. The patellar ligament attaches to the tibial tuberosity.)
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Which part of the leg does the tibia form?
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Medial leg
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The longest and heaviest bone in the body is the
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femur.
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The scapula is roughly triangular in shape. Which of the following are correct terms for the borders?
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superior, medial, and lateral borders
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Which bone is the heel of the human foot?
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calcaneus
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Which of the following bone structures is least helpful in determining the sex from a skull?
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Location of the sinuses
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Which of the following descriptions is least likely to be found in a typical female pelvis?
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Heart-shaped pelvic outlet
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male pelvis
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heart-shaped pelvic inlet, narrow pubic angle, pronounced sacral curvature
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female pelvis
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smoother appearance, triangular obturator foramen, anteriorly facing acetabulum
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Identify the tarsal that articulates with the tibia and fibula.
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Talus
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Name the number of tarsals.
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7 (The tarsus is made up of 7 bones that compose the ankle and the posterior portion of the foot.)
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Identify the anatomical term for the "heel bone".
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Calcaneus (a large tarsal that contacts the floor at its posterior region, and articulates with talus on its superior surface.)
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Identify the bones that make up the middle portion of the foot.
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Metatarsals (There are 5 metatarsals that are found between the tarsals (ankle and heel) and the phalanges (toes).)
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Which of the following digits contain only 2 phalanges?
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1 (The great toe or hallux (the big toe) only has 2 phalanges, a proximal phalanx and distal phalanx.)
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What type of bone is a phalanx?
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Long
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The two pubic bones join medially at the
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pubic symphysis.
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The head of the radius articulates with the
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capitulum.
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The attachment site for the biceps brachii muscle to the radius is at the
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radial tuberosity.
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Identify the landmark found on the proximal end of the humerus.
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Greater tubercle (is adjacent to the head of the humerus. It is the insertion site for some of the rotator cuff muscles.)
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The greater tubercle is adjacent to the head of the humerus. It is the insertion site for some of the rotator cuff muscles.
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Trochlea (The trochlear notch of the ulna swings around the trochlea of the humerus forming the hinge joint of the elbow.)
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Which of the following landmarks is found on the distal end of the humerus?
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Lateral epicondyle ( is on the lateral distal surface of the bone. It serves as a site of muscle attachment.)
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What part of the humerus articulates with the scapula to form the shoulder joint?
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Head (articulates with the glenoid cavity of the scapulae to form the shoulder joint.)
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Which region of the skeleton contains the humerus?
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Appendicular (The appendicular skeleton consists of all of the bones that make up the arm, hand, leg, and foot.)
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Compared to the male pelvis, the female pelvis
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has a greater pubic angle.
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The bones that form the palm are the
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metacarpals.
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The Achilles tendon attaches to the
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calcaneus
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The bones that form the fingers are the
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phalanges.
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Where is the radius located in reference to the ulna?
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Lateral (The radius runs parallel to the ulna on the lateral surface of the forearm.)
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Identify the region of the radius that articulates with the ulna.
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Head (The round, flat disc shaped head of the radius pivots around the ulna at the radial notch of the ulna, allowing supination and pronation of the forearm.)
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Which of the following regions of the radius help form the wrist joint?
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Styloid process (of the radius is a pointed elongation of the epiphysis at the distal end of the bone. It articulates with the carpals at the wrist.)
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Which digit is the radius closest to?
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1 (The radius runs parallel to the ulna on the same side as the thumb(digit 1))
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What type of joint is formed between the radius and ulna?
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Pivot (The head of the radius pivots around the ulna at the radial notch, allowing supination and pronation of the forearm.)
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Identify the type of movement enabled by the articulation between the radius and ulna at the elbow.
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Supination (The head of the radius pivots around the ulna permitting supination and pronation of the forearm.)
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Identify the bones that make up the wrist.
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Carpals (Eight carpals make up the wrist.)
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How many carpals make up the wrist?
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8
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Identify the bones that make up the palm of the hand.
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Metacarpals (are located between the carpals (the wrist) and the phalanges (the fingers).)
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What type of bones are the phalanges?
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Long
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How many phalanges are located in the hand?
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14 (Three phalanges make up each finger (4 x 3) except the thumb which contains 2 phalanges.)
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Which digit is composed of only two phalanges?
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Thumb (proximal and distal phalanx)
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The largest component of the coxal bone is the
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ilium.
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Tom stumbles and injures his hallux. What part of his anatomy is injured?
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his foot
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Which lower leg bone does not carry any body weight?
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fibula
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Differences between the male and female pelvis include
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a broader pelvis in females
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The distal end of the tibia articulates with the
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talus.
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Another name for the thumb is
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pollex
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The deltoid muscle attaches to what process?
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deltoid tuberosity
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In the anatomical position, the ulna is located ________ to the radius.
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medial
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Which of the following is not a part of the pelvis?
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lumbar vertebrae
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Which concave socket exists on the lateral surface of each hip bone and receives the head of the femur?
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acetabulum
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The ilium, ischium, and pubis fuse into a single bone called the
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coxal bone.
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The weight of the body is supported by the
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distal ends of the metatarsals and the calcaneus.
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The greater sciatic notch is a feature on the
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ilium.
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Which of the following constitutes the pectoral girdle?
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clavicles and scapulae
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The adult hip bone consists of _____ regions.
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3
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Which region of the hip bone articulates with the sacrum?
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Auricular surface of the ilium (The ilium is the largest region of this bone. It articulates with the sacrum at the auricular surface.)
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Which landmark of the hip bone can be felt on a hard chair?
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Ischial tuberosity (the thickened inferior surface of the ischium. When we sit our weight is distributed to the chair through the ischial tuberosities.)
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Identify the indentation that is inferiorolateral to the auricular surface.
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Greater sciatic notch (allows the sciatic nerve to enter the thigh.)
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Which of the following is the largest region of the hip bone?
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Ilium
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Identify the articulation site for the femur.
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Acetabulum (the socket for the femur. It is formed by a fusion of all 3 regions that make up the hip bone.)
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Identify the large hole found in the hip bone.
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Obturator foramen (the large circular hole in the hip bone. A few blood vessels and nerves pass through the part of the obturator foramen that isn't sealed off by a fibrous membrane.)
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The ridge like superior edge of the ilium is known as the
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Iliac crest.
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What region of the vertebral column does the hip bone articulate with?
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Sacral region (The hip bones articulate with the sacrum at the sacroiliac joint.)
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Which bony landmarks can be palpated on the anterior surface of the body, close to the midline?
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Pubic tubercles (meet close to the midline of the body.)
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The palpable hip bone projections in the front of the body felt when you put your hands on your hips are the posterior inferior iliac spines.
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False (The anterior superior iliac spines can be palpable with hands on the hips.)
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The projection at the inferior end of the greater sciatic notch is the ischial spine.
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True (The inferior portion of the greater sciatic notch is just superior to the ischial spine.)
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The hip bone is part of the axial skeleton.
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False
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The ________ is a large sesamoid-shaped bone sometimes called the kneecap.
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patella
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Which landmark is found on the anterior surface of the femur?
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Patellar surface
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Identify the region of the femur that forms part of the hip joint.
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Head (the ball portion of the hip joint, which articulates with the acetabulum of the hip bone which forms the socket.)
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The condition known as a "fractured hip" is most often a break in the femur. Where is the femur particularly susceptible to a fracture?
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Neck
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Identify the landmark that is unique to the femur.
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Trochanter (The greater and lesser trochanters are unique to the femur.)
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Identify the landmark found on the diaphysis of the femur.
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Linea aspera (an elevated ridge found on the diaphysis of the femur. It serves as a site of muscle attachment.)
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Identify the best description for the location of the head of the femur.
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Medial and proximal (In order for the head of the femur to articulate with the hip bones, it must make contact with the pelvic girdle (medial) at the top (proximal) portion of the femur.)
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The patella slides in a groove on the femur called the
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patellar surface.
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The ridge of bone that separates the medial and lateral condyles of the tibia is called the
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intercondylar eminence.
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Where in the skeleton is the ulna located in reference to the humerus?
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Distal
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The ulna is a bone in the forearm which is distal to the humerus in the upper arm. The humerus makes up the upper arm.
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Trochlear notch
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Identify the true statement about the head of the ulna.
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Found at the distal end of the bone. (The head of the ulna is at the distal end of the bone near the wrist.)
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Identify the projection found on distal end of the ulna.
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Styloid process (makes up the superficial bump seen on lateral surface of the wrist.)
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Identify the region of the ulna that articulates with the humerus when the forearm is in full extension.
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Olecranon process (When the forearm is in full extension the olecranon process of the ulna fits snuggly into the olecranon fossa of the humerus.)
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Which two carpal bones articulate with the radius at the wrist joint?
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Scaphoid and Lunate