Questions: Sutures can be found at all of the joints of an adult skull, except between A the mandible and the cranium. B the zygomatic bone and the maxillary bone. (C) the occipital bone and the parietal bone. (D) the vomer and the zygomatic bone. (E) all answers have sutures.

Sutures can be found at all of the joints of an adult skull, except between A the mandible and the cranium. B the zygomatic bone and the maxillary bone. (C) the occipital bone and the parietal bone. (D) the vomer and the zygomatic bone. (E) all answers have sutures.
Transcript text: Sutures can be found at all of the joints of an adult skull, except between A the mandible and the cranium. B the zygomatic bone and the maxillary bone. (C) the occipital bone and the parietal bone. (D) the vomer and the zygomatic bone. (E) all answers have sutures.
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Solution

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The answer is the first one (A): the mandible and the cranium.

Explanation for each option:

A. The mandible and the cranium - Correct. The mandible (lower jaw) is connected to the cranium (skull) via the temporomandibular joint (TMJ), which is a synovial joint, not a suture. Sutures are fibrous joints found between the bones of the skull, but the mandible is an exception as it is connected by a movable joint.

B. The zygomatic bone and the maxillary bone - Incorrect. These bones are connected by a suture, specifically the zygomaticomaxillary suture.

C. The occipital bone and the parietal bone - Incorrect. These bones are connected by the lambdoid suture.

D. The vomer and the zygomatic bone - Incorrect. While these bones are not directly connected, the vomer is connected to other bones in the skull via sutures.

E. All answers have sutures - Incorrect. As explained, the mandible is connected to the cranium by a synovial joint, not a suture.

Summary: The mandible and the cranium are connected by a synovial joint, not a suture, making option A the correct answer.

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