11. Which of the following statements regarding the Cisterns is/are true?
A. They are spaces formed by openings in the subarachnoid space, that separates the arachnoid mater and the
pia mater
B. Are filled with cerebrospinal fluid and blood
C. They are in the inferior portion of the brain
D. Two of the above are true regarding the Cisterns
E. All the above are true regarding the Cisterns
12. Which of the following choices contain the branch(es) coming off the Internal Carotid Arteries?
A. Superior Cerebellar
B. Middle and Posterior Cerebral
C. Anterior and Middle Cerebral
D. Anterior Cerebral
E. Anterior Inferior and Posterior Inferior Cerebellar
11. E. All the above are true regarding the Cisterns
Explanation: The subarachnoid cisterns are the spaces formed by openings in the subarachnoid space, an anatomic space in the meninges of the brain. The space separates two of the meninges, the arachnoid mater and the pia mater. These cisterns are filled with cerebrospinal fluid.
12. C. Anterior and Middle Cerebral
Explanation:
The main branches of the internal carotid artery are the following:
- anterior cerebral artery.
- middle cerebral artery,
- ophthalmic artery,
- anterior choroidal artery,
- posterior communicating artery,
- superior hypophyseal artery.
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