A&P Chapter 7 Axial Skeleton Exam Question

Which of the following is the heel bone? calcaneus talus patella navicular cuboid

11. Correct Your Answer: calcaneus The Achilles tendon attaches to the heel bone, or calcaneus.

Question 28 28 When a person attempts to break his or her fall with an outstretched hand, he or she often winds up with __________. a Colles' fracture a greenstick fracture a dislocated shoulder carpal tunnel syndrome End of Question 28

28. Correct Answer: a Colles' fracture Dislocation of the shoulder is often seen when the arm is pulled with great force, especially in children.

20 Which of the following sinuses are at high risk of infection spreading from the middle ear? the frontal sinuses the sphenoid sinuses the ethmoid sinuses the mastoid sinuses

Correct Answer: the mastoid sinuses The mastoid sinuses are at high risk of infection spreading from the middle ear because of their position adjacent to the middle ear cavity.

Which of the following is/are NOT part of the axial skeletal? vertebral column hyoid bone auditory ossicles pectoral girdle skull

10. Correct pectoral girdle The pectoral girdle is part of the appendicular skeleton.

The crista galli is a projection from which bone? sphenoid ethmoid temporal frontal

12. Correct Your Answer: ethmoid The midline central projection of the ethmoid is the crista galli.

At its distal end, the femur articulates with the __________. tibia and fibula fibula tibia acetabulum

13. Correct Answer: tibia The distal end of the femur forms the knee joint with the tibia and patella.

A common injury in the winter is a fall in which someone hits the back of his or her head on the ice. What bone is most likely to be involved in this type of fall? frontal occipital temporal zygomatic

14. Correct A common injury in the winter is a fall in which someone hits the back of his or her head on the ice. What bone is most likely to be involved in this type of fall? Your Answer: occipital The posterior aspect of the skull is the occipital bone.

How many regions of the vertebral column are there? three four five six

15. Correct Answer: five The cervical, thoracic, lumbar, sacral, and coccygeal sections make up the vertebral column.

Sutures connect all the bones of the skull EXCEPT the __________. mandible nasal bone maxilla vomer

16. Correct Answer: mandible The mandible is the only bone in the skull that is not connected to other bones by sutures and is therefore the only mobile bone in the skull.

The calvaria of the skull is another name for the __________. anterior cranial fossa cranial base cranial cavity cranial vault

17. Your Answer: cranial vault The calvaria of the skull is another name for the cranial vault, or roof.

Mary fractured her pisiform bone in a fall. What part of her body was injured? hand shoulder wrist upper arm forearm

2. Your Answer: wrist The pisiform bone is one of eight carpal bones.

Question 21 21 Which of the following sutures is most likely to contain sutural bones? the lambdoid suture the sagittal suture the squamous suture the coronal suture End of Question 21

21. Correct Answer: the lambdoid suture The lambdoid suture is the most likely suture to contain suture bones.

Question 22 22 Where would a dentist inject lidocaine to prevent pain in the lower teeth? the mandibular condyle the temporomandibular joint the mandibular foramen the mental foramina End of Question 22

22. Correct Answer: the mandibular foramen Dentists inject lidocaine into the mandibular foramen to prevent pain in the lower teeth.

Question 23 23 In a(n) __________, the vertebral column is formed from 33 separate bones. fetus child over the age of six adult teenager End of Question 23

23. Correct fetus In a child over the age of six, the vertebral column is formed from 24 separate bones.

Question 24 24 Which of the following spinal deformities is quite common during late childhood in females? spina bifida scoliosis spinal fusion lordosis End of Question 24

24. Correct scoliosis Scoliosis is an abnormal lateral curvature of the spine commonly seen in females during late childhood.

Question 25 25 C7 is referred to as the vertebra prominens because __________. of the presence of the dens its spine is not bifid it has no intervertebral disc between it and the next vertebra its spinous process is larger than those of the other cervical vertebrae End of Question 25

25. Correct its spinous process is larger than those of the other cervical vertebrae C7 is used as a landmark to count the other vertebrae because its spinous process is larger than those of the other cervical vertebrae.

Question 26 26 The pectoral girdle does NOT quite satisfy the features of a true girdle because __________. the socket of the shoulder joint is shallow anteriorly, the medial ends of the clavicle join the sternum posteriorly, the medial ends of the scapulae do not join each other laterally, the clavicle articulates with the scapula End of Question 26

26. Correct posteriorly, the medial ends of the scapulae do not join each other The term girdle indicates a beltlike structure that encircles the body, and, in the case of the shoulder, the circle is not complete because the medial ends of the scapulae are not attached.

Question 27 27 The jugular notch on the sternum is __________. a handy point for finding the second rib; this is useful when counting the ribs during clinical procedures a cartilaginous joint that acts as a hinge during respiration opposite the ninth thoracic vertebra in line with the second and third thoracic vertebra, where the left common carotid artery is issued from the aorta End of Question 27

27. Correct Your Answer: in line with the second and third thoracic vertebra, where the left common carotid artery is issued from the aorta The jugular notch is in line with the second and third thoracic vertebra, where the left common carotid artery is issued from the aorta.

What is the deepest bone in the skull?

29. Correct Your Answer: ethmoid The ethmoid bone is the most deeply situated bone of the skull and it forms most of the bony area between the nasal cavity and the orbits.

Sinuses are found in all of the following bones EXCEPT the __________. mastoid process mandible ethmoid frontal maxillary

3. Correct Answer: mandible The frontal, maxillary, ethmoid, and sphenoid bones contain the paranasal sinuses. The mastoid process contains air cells, or sinuses.

Question 30 30 Which of the following is a congenital abnormality of the appendicular skeleton? cleft palate abnormal curvature of the spine dislocation of the shoulder dysplasia of the hip

30. Correct Which of the following is a congenital abnormality of the appendicular skeleton? Your Answer: dysplasia of the hip Dysplasia of the hip is considered a congenital abnormality of the appendicular skeleton.

The 11th and 12th ribs are called floating ribs because they lack __________. an anterior attachment to lumbar vertebrae a vertebral attachment anteriorly an anterior attachment to the sternum a posterior attachment to thoracic vertebrae a vertebral attachment posteriorly

4. Correct Your Answer: an anterior attachment to the sternum Floating ribs have no anterior attachment to the sternum but articulate posteriorly with the thoracic vertebrae.

The foramen magnum would be found in the __________ bone. temporal parietal occipital sphenoid frontal

5. Correct occipital The foramen magnum is located where the inferior part of the brain connects with the spinal cord (that is, the occipital bone).

The olecranon process is found on the __________. tibia radius humerus femur ulna

6. Correct ulna The olecranon process is one of the two prominent processes at the proximal end of the ulna, which looks like the end of a monkey wrench.

What would you find located in the lacrimal fossa? the frontal sinus the inner ear the ramus of the mandible the lacrimal sac the pituitary gland

7. Correct Your Answer: the lacrimal sac The lacrimal fossa is a passageway for tears to enter the nasal cavity. It contains a mucous membrane passageway that includes the lacrimal sac.

When standing normally, most of your weight is transmitted to the ground by the __________. cuboid and cuneiforms talus and cuneiforms talus and calcaneus calcaneus and cuneiforms calcaneus and cuboid

8. Correct Your Answer: talus and calcaneus A person's body weight is borne primarily by the two largest, most posterior tarsals.

Which of the following bones would most likely be involved in surgery to remove a tumor on the pituitary gland? the sella turcica the obturator the capitulum the acetabulum the olecranon

9. Correct Your Answer: the sella turcica The sella turcica of the sphenoid bone surrounds the pituitary gland.

19 Which of the following cranial bones receives the condyle of the mandible? the temporal bone the maxilla the sphenoid bone the zygomatic bone End of Question 19

Correct Answer: the temporal bone The temporal bone contains the mandibular fossa that receives the condyle of the mandible and forms the temporomandibular joint.

Each of the following bones is part of the pelvic girdle EXCEPT the __________. femur pubis os coxae ischium ilium

femur The femur articulates with the pelvic girdle, but the ilium, ischium, and pubis of both ossa coxae form the pelvic girdle.

18 The frontal sinuses are located __________. below the supraorbital margins lateral to the glabella medial to the nasal bone above the frontal squama

lateral to the glabella The frontal sinuses are located lateral to the glabella.