Biol 2110 R. Socci Name: Date: Take-Home Assignment #2-Bones Questions 1-13: Mul

Question

Biol 2110 R. Socci Name: Date: Take-Home Assignment #2-Bones Questions 1-13: Multiple Choice:Enter the letter of the correct answer A ball-and-socket joint of the lower extremity is the: a. Toe joint. b. Ankle joint. c. Knee joint. d. Hip joint. 2.The pectoral girdle consists of the: a. Ribs, sternum, and clavicle. b. Coxal bones. c. Humerus and scapula. d. Scapula and clavicle. 3. The longest, heaviest, and strongest bone of the human skeleton is the: a. Humerus. b. Sacrum c. Tibia d. Femur Spinal nerves enter and leave the spinal cord through passages between the vertebrae called: a. Pedicles. b. Vertebral arches. c. Intervertebral foramina. d. Foramen magnum. 5. The foramen magnum is found in the: a. Femur b. Scapula. c. Occipital bone. d. Temporal bone.

Explanation / Answer

1. A ball and socket joint of the lower extremity is the :

Ans. D. Hip joint.

Rounded head of the femur ( ball ) rest in the cup-like acetabulum ( socket ) of the pelvis.

2. The pectoral girdle consists of the:

Ans. D. Scapula and Clavicle.

It is also called as Shoulder girdle. These bones attach each upper limb to the axial skeleton

3. The largest, heaviest and strongest bone of human skeleton is?

Ans. D. Femur

Femur also called as thigh bone. It is considered as the major component of the appendicular skeleton. All of the body's weight is supported by femur during many activities such as running, standing, walking and jumping.

4. Spinal nerves enter and leave the spinal cord through passages between the vertebrae called?

Ans. C. Intervertebral foramina.

Also called as neural foramen. It is the principle route of entry for spinal nerves and blood vessels going in and out of the vertebral canal

5. The foramen magnum is found in the?

Ans. C. Occipital bone.

It forms the base of medulla oblongata. It is a large oval opening in the occipital bone of the skull.

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