The capitulum of the humerus articulates with the head of the radius.
Correct Answer
True
The capitulum is a rounded lateral condyle on the distal humerus that specifically articulates with the cup-shaped head of the radius, allowing for movement at the elbow joint.
Category: Humerus
Question 2
The lesser trochanter is a large, lateral projection on the proximal femur that serves as an attachment site for gluteal muscles.
Correct Answer
False
The lesser trochanter is a smaller, more medial projection on the proximal femur, primarily serving as an attachment point for the iliopsoas muscle. The greater trochanter is the large, lateral projection for gluteal muscle attachment.
Category: Femur and Patella
Question 3
The transverse arch of the foot runs from the heel to the toes, providing primary support for the body's weight during standing.
Correct Answer
False
The longitudinal arches of the foot run from the heel to the toes, providing the primary support and shock absorption. The transverse arch runs across the midfoot, perpendicular to the longitudinal arches.
Category: Arches of the Foot
Question 4
The lateral malleolus is the distal end of the fibula and forms the lateral bulge of the ankle.
Correct Answer
True
The fibula extends distally to form the lateral malleolus, which contributes to the lateral prominence of the ankle and articulates with the talus bone in the ankle joint.
Category: Tibia and Fibula
Question 5
The styloid process of the ulna is located on its distal end, while the styloid process of the radius is found proximally near the elbow joint.
Correct Answer
False
Both the ulna and the radius have styloid processes located on their distal ends, which contribute to the stability of the wrist joint and provide attachment points for ligaments.
Category: Radius and Ulna
Question 6
The coracoid process of the scapula is a hook-like projection that serves as an attachment point for muscles and ligaments of the shoulder.
Correct Answer
True
The coracoid process is a prominent, hook-shaped anterior projection on the superior border of the scapula that provides attachment for several muscles, including the pectoralis minor, and various ligaments.
Category: Pectoral Girdle
Question 7
The lesser tubercle of the humerus is positioned anteriorly and serves as an attachment site for the subscapularis muscle.
Correct Answer
True
The lesser tubercle is a smaller, more anterior projection on the proximal humerus, serving as the insertion point for the subscapularis muscle, which is one of the four rotator cuff muscles.
Category: Humerus
Question 8
The pollex (thumb) contains two phalanges: a proximal phalanx and a distal phalanx.
Correct Answer
True
Unlike the other digits, which have three phalanges (proximal, middle, and distal), the thumb (pollex) has only two. This structural difference allows for its unique range of motion and opposability.
Category: Hand
Question 9
The neck of the femur connects the head to the shaft and is a common site for fractures, especially in older adults.
Correct Answer
True
The femoral neck is a constricted region between the head and the greater and lesser trochanters. Due to its angle and spongy bone composition, it is a frequent location for hip fractures, particularly in individuals with osteoporosis.
Category: Femur and Patella
Question 10
The spine of the scapula divides its posterior surface into the subscapular fossa and the supraspinous fossa.
Correct Answer
False
The spine of the scapula divides its posterior surface into the supraspinous fossa (above the spine) and the infraspinous fossa (below the spine). The subscapular fossa is located on the anterior surface of the scapula.
Category: Pectoral Girdle
Question 11
The pubic symphysis is a cartilaginous joint that unites the two pubic bones anteriorly.
Correct Answer
True
This joint is formed by a pad of fibrocartilage located between the anterior surfaces of the left and right pubic bones. It allows for slight movement, which is particularly important during childbirth.
Category: Pelvic Girdle
Question 12
The medial longitudinal arch of the foot is primarily supported by the cuboid bone and metatarsals IV and V.
Correct Answer
False
This description refers to the lateral longitudinal arch of the foot. The medial longitudinal arch is primarily formed by the calcaneus, talus, navicular, the three cuneiforms, and metatarsals I-III.
Category: Foot
Question 13
The olecranon process of the ulna articulates with the coronoid fossa of the humerus during full extension of the elbow.
Correct Answer
False
During full extension of the elbow, the olecranon process of the ulna locks into the olecranon fossa of the humerus. The coronoid process articulates with the coronoid fossa during flexion of the elbow.
Category: Radius and Ulna
Question 14
Each human wrist typically contains eight carpal bones arranged in two rows.
Correct Answer
True
The wrist (carpus) is composed of eight carpal bones, which are short bones arranged in two irregular rows: a proximal row and a distal row. These bones provide flexibility to the wrist and articulate with the forearm bones and metacarpals.
Category: Hand
Question 15
The distal end of the femur features medial and lateral condyles that articulate with the tibia.
Correct Answer
True
The femur's distal end expands into two large, rounded projections called the medial and lateral condyles. These condyles articulate with the corresponding condyles of the tibia, forming the primary weight-bearing articulation of the knee joint.
Category: Femur and Patella
Question 16
The tibia is the larger, more medially positioned bone of the lower leg, and is the primary weight-bearing bone.
Correct Answer
True
The tibia, also known as the shin bone, is the larger and more robust of the two bones in the lower leg. It is positioned medially and is crucial for transmitting the body's weight from the femur to the foot, making it the primary weight-bearing bone.
Category: Tibia and Fibula
Question 17
The acromion of the scapula is a prominent anterior projection that serves as the primary articulation point for the humerus.
Correct Answer
False
False. The acromion is a posterior and lateral projection of the scapula that articulates with the clavicle. The glenoid cavity, not the acromion, is the primary articulation point for the head of the humerus.
Category: Pectoral Girdle
Question 18
The head of the radius articulates with the trochlear notch of the ulna, allowing for pronation and supination of the forearm.
Correct Answer
False
False. The head of the radius articulates with the radial notch of the ulna, not the trochlear notch. The trochlear notch of the ulna articulates instead with the trochlea of the humerus.
Category: Radius and Ulna
Question 19
The styloid process of the ulna extends further distally than the styloid process of the radius.
Correct Answer
False
The radial styloid process typically extends further distally than the ulnar styloid process. This anatomical arrangement is significant for wrist joint stability and allows for a greater range of motion during ulnar deviation of the hand.
Category: Radius and Ulna
Question 20
The subpubic angle in a female pelvis is typically narrower than that in a male pelvis.
Correct Answer
False
This statement is false. The female pelvis has a wider subpubic angle, generally greater than 90 degrees, which is an adaptation for childbirth. In contrast, the male pelvis typically exhibits a narrower subpubic angle, usually less than 90 degrees.
Category: Pelvis Differences