MasteringAandP Chpt 7

Which of the following INCORRECTLY describes features of these sets of bones?

Both sets of bones have a condyle at the proximal end.

Which of the following INCORRECTLY compares the thumb and big toe?

In anatomical position, they are both medial.

Which of the following correctly describes the hand?

The scaphoid bone articulates with the radius.

Which of the following statements about epicondyles is FALSE?

They are concave depressions where articulations occur.

An anatomy student is examining x-ray films of male and female pelves. What bone features would the student look for in the female pelvis?

a broad, short sacrum with little curvature

Two skulls are examined. One is a male's skull, the other a female's. What feature would you expect to observe in the male's skull?

a larger cranium (10 percent larger on average)

After examining two pelvic girdles, you are asked to determine which one belongs to a male and which belongs to a female. What feature would you look for to determine whether the pelvic girdle belonged to a female?

an angle inferior to the pubic symphysis of 100 degrees or more

Both sets of bones have __________.

an interosseous membrane

Both bones have _____.

epicondyles

Which bone, or structure, is NOT, in anatomical terminology, considered to be part of the leg?

femur

When you strike your funny bone, you're actually striking the ulnar nerve running along the inferior, posterior region of the __________ bone.

humerus

Maria is disgusted and puts her hands on her hips to show her frustration. Which part of her pelvic girdle is she touching?

iliac crest

The superior ridge of the ilium, between the anterior superior and posterior superior iliac spines, is known as the _____.

iliac crest

The three bones that fuse to form the hip bone are the _____.

ilium, ischium, and pubis

The fibrous sheet that helps connect the radius and ulna __________.

is called the antebrachial interosseus membrane

If John has flat feet, then which of his pedal arches has fallen?

longitudinal arch

Which of the following is NOT part of, or formed by, the ishium?

posterior superior iliac spine

The articulation between the two hip bones is the _____.

pubis symphysis

Which of the following bones is NOT part of the appendicular skeleton?

sacrum

A 28-year-old woman is ice-skating and falls. She puts out her hand to support herself as she falls and ends up with a broken wrist. Which carpal bone did she most likely break?

scaphoid bone

If Rachel has completely dislocated her shoulder, she has moved the humerus off its articulating surface with what bone?

scapula

Which of the following bones articulates with the tibia?

talus

Which part of the scapula articulates with the clavicle?

the acromion

At what structure does the olecranon process articulate with the humerus?

the olecranon fossa

A skull at an archeological dig has a nonfused styloid process (not fused to the temporal bone) and a hyoid bone that is not completely ossified. Which other features might also be found in this skull?

the presence of baby teeth

If a child developed rickets because of lack of vitamin D, which part of the femur would be abnormally bowed?

the shaft

Comparing the hand and the foot, _____.

there are 8 carpal bones but only 7 tarsal bones

Looking at the foot you notice that the _____.

trochlea is found on the superior aspect of the talus

If an archaeologist discovers a skeleton and finds that the hyoid bone is fully ossified and fused, it could be determined that the bone belonged to an individual who was at least how old?

25-30

Which number represents the suprascapular notch?

3

At approximately what age range do individuals begin to experience loss of bone matrix (i.e., a reduction in the mineral content of their bones)?

30-45 years

Which number represents the spine?

7

Which number represents the trochlea?

8

In what ways are the humerus and the femur similar?

All of the listed responses are correct.

Suppose a skeleton is found in an ancient ruin. Scientists examine the bones. What things could they determine from looking at a well-preserved, complete skeleton?

All of the listed responses are correct.

Why is it conducive for a female to have a broader pelvis and wider pelvic angle?

All of the listed responses are correct.

Which of the following INCORRECTLY describes the proximal articulation of these bones?

The femur articulates with the scapula.

Which of the following correctly compares the proximal articulations for the bones of the forearm and leg?

The heads of the fibula and radius are found at the proximal ends of the bones.

Comparing the distal articulation of the forearm and the leg, which of the following is INCORRECT?

The ulna is the only bone in the forearm that articulates with the carpal bones at the wrist.

What is the purpose of the large trochanters that are found on the femur?

They serve as an attachment site for tendons of large skeletal muscles.

Which of the following is a FALSE statement about the calcaneal bone?

This bone articulates with the metatarsals.

If a child's skull is found in an ancient burial site, and you see that there are no fontanels in the skull, then you could say that the child was __________.

at least 2 years old

Marissa, an 18-year-old woman, has great difficulty walking. Her condition began at about age 15 and has continued to get worse. Her doctor says it is due to the fact that her plantar flexion muscles are stronger than her dorsiflexion muscles. What condition does she have?

claw feet

Which number represents the lesser trochanter?

6

Which of the following correctly describes features on these bones?

A deltoid tuberosity is found on the lateral surface of the humerus.

What feature do the pollex and hallux have in common?

Each is made of only two phalangeal bones.

Which of the following is FALSE regarding the patella?

It weakens the contractive ability of the quadriceps so that they cannot overcontract and break the knee joint.

By comparing the distal articulation of the humerus and the femur, what can be learned?

They both articulate with two bones.

Jose is doing bicep curls and brings his fingers up to touch his shoulders. He is doing what motion at his elbows?

flexion

With what part of the scapula does the humerus articulate?

glenoid cavity