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Unit 3-Blood flow

Created by Winnie

p.23

Which cell type is responsible for providing structural support to capillaries in the brain?

A. Astrocyte
B. Microglia
C. Erythrocyte
D. Neuron
E. Pericyte

Select an answer

p.23

Explanation

Pericytes are contractile cells that wrap around the endothelial cells of capillaries and are involved in the regulation of blood flow and the maintenance of the blood-brain barrier's integrity.

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p.23
Blood-brain barrier structure and function

Which cell type is responsible for providing structural support to capillaries in the brain?

E

p.23
Blood-brain barrier structure and function

What is the significance of the vascular process of astrocytes in the blood-brain barrier?

B

p.24
Blood-brain barrier structure and function

What is the primary function of the tight junctions around endothelial cells in the blood-brain barrier?

B

p.25
Blood-brain barrier structure and function

What is the primary function of the blood-brain barrier (BBB)?

C

p.25
Permeability of the blood-brain barrier

Which type of substances can easily cross the blood-brain barrier?

B

p.25
Permeability of the blood-brain barrier

How do water-soluble substances like glucose cross the blood-brain barrier?

E

p.25
Blood-brain barrier structure and function

What happens to substances that can hardly or cannot pass the blood-brain barrier?

B

p.25
Permeability of the blood-brain barrier

Which of the following statements is true regarding the permeability of the blood-brain barrier?

D

p.2
Blood supply to the brain

What percentage of the total blood supply does the brain receive?

E

p.2
Blood supply to the brain

Which arteries are responsible for carrying blood to the brain?

D

p.2
Veins of the brain

What is the role of the internal jugular veins in relation to the brain?

A

p.3
Blood supply to the brain

Which artery is responsible for supplying blood to the posterior part of the brain?

D

p.3
Cerebral arterial circle (Circle of Willis)

What is the function of the posterior communicating arteries?

B

p.3
Blood supply to the brain

Which artery branches off the subclavian artery?

D

p.3
Veins of the brain

What anatomical landmark is associated with the vertebral arteries?

B

p.3
Blood supply to the brain

Which artery is primarily responsible for supplying the anterior part of the brain?

C

p.4
Blood supply to the brain

What is the primary function of the internal carotid artery in the brain?

A

p.4
Blood supply to the brain

Which artery supplies the posterior 1/3 of the cerebral hemisphere?

E

p.4
Blood supply to the brain

What areas does the vertebral artery supply?

A

p.4
Blood supply to the brain

Which artery is responsible for supplying parts of the diencephalon?

A

p.4
Blood supply to the brain

What is the relationship between the internal carotid artery and the vertebral artery in terms of brain supply?

A

p.5
Internal carotid artery and its branches

What is the function of the anterior cerebral artery?

C

p.5
Internal carotid artery and its branches

Which area does the middle cerebral artery primarily supply?

E

p.5
Internal carotid artery and its branches

What do the central branches of the anterior cerebral artery supply?

E

p.5
Internal carotid artery and its branches

What is a key feature of the cortical branches of the anterior cerebral artery?

C

p.5
Internal carotid artery and its branches

Which artery is known for supplying the lentiform and caudate nuclei?

B

p.6
Blood supply to the brain

Which artery is responsible for supplying blood to the temporal region of the head?

E

p.6
Blood supply to the brain

What is the primary artery that supplies blood to the posterior part of the brain?

E

p.6
Internal carotid artery and its branches

Which artery branches off from the common carotid artery?

A

p.6
Blood supply to the brain

What artery is primarily responsible for supplying blood to the upper limb?

E

p.6
Vertebral artery and its branches

Which artery is located in the neck and is a branch of the subclavian artery?

B

p.7
Blood supply to the brain

What is the function of the anterior communicating artery in the brain's blood supply?

A

p.7
Blood supply to the brain

Which artery is primarily responsible for supplying blood to the lateral aspects of the cerebral hemispheres?

A

p.7
Blood supply to the brain

What is the role of the posterior communicating artery in the brain's vascular system?

C

p.7
Blood supply to the brain

What distinguishes the internal carotid arteries in the brain's blood supply?

D

p.8
Internal carotid artery and its branches

What is the primary function of the anterior choroidal artery?

C

p.8
Internal carotid artery and its branches

Which artery runs backward to join the posterior cerebral artery?

A

p.8
Internal carotid artery and its branches

What structure does the anterior choroidal artery enter?

E

p.8
Internal carotid artery and its branches

Which artery is NOT a branch of the internal carotid artery?

B

p.8
Internal carotid artery and its branches

What does the anterior choroidal artery supply besides the lateral geniculate body?

E

p.9
10
11
14
Anatomical illustrations of brain vasculature

What is the function of the central sulcus in the brain?

E

p.9
10
11
14
Anatomical illustrations of brain vasculature

Which anatomical structure is located in the superior parietal lobule?

A

p.9
10
13
14
Blood supply to the brain

What major artery is depicted in the anatomical drawing of the lateral view of the brain?

C

p.9
10
11
14
Anatomical illustrations of brain vasculature

What is the role of the cuneus in the brain?

D

p.9
10
11
14
Anatomical illustrations of brain vasculature

Which lobe is associated with the frontal pole?

B

p.10
9
11
14
Anatomical illustrations of brain vasculature

What is the function of the corpus callosum?

E

p.10
9
11
14
Anatomical illustrations of brain vasculature

Which structure is involved in motor control and cognitive functions?

E

p.10
9
13
14
Blood supply to the brain

What do the lateral striate arteries supply blood to?

D

p.10
9
13
14
Blood supply to the brain

Which arteries are labeled on either side of the brain in the illustration?

A

p.10
9
11
14
Anatomical illustrations of brain vasculature

What is the role of the lentiform nucleus?

B

p.11
9
10
14
Anatomical illustrations of brain vasculature

What does the angiogram primarily show?

E

p.11
9
10
14
Anatomical illustrations of brain vasculature

Which artery is NOT labeled in the angiogram?

C

p.11
9
10
14
Anatomical illustrations of brain vasculature

What is the significance of the contrast agent used in the angiogram?

B

p.11
9
10
14
Anatomical illustrations of brain vasculature

In which view is the angiogram presented?

C

p.11
9
10
14
Anatomical illustrations of brain vasculature

What does the dark background in the angiogram represent?

E

p.14
Anatomical illustrations of brain vasculature

Which lobe is the superior parietal lobule part of?

A

p.12
Vertebral artery and its branches

What are the cranial branches of the vertebral artery?

D

p.12
Vertebral artery and its branches

Which artery is NOT a branch of the basilar artery?

B

p.12
Vertebral artery and its branches

What do the cortical branches of the posterior cerebral artery supply?

D

p.12
Vertebral artery and its branches

At what level do the two vertebral arteries join to form the basilar artery?

D

p.12
Vertebral artery and its branches

Which of the following arteries supplies the dorsal thalamus?

C

p.13
9
10
14
Blood supply to the brain

Which artery is labeled in blue and supplies the anterior part of the spinal cord?

C

p.13
9
10
14
Blood supply to the brain

What is the function of the basilar artery?

A

p.13
Cerebral arterial circle (Circle of Willis)

Which artery is part of the Circle of Willis and connects the anterior and posterior circulations?

B

p.13
9
10
14
Blood supply to the brain

Which artery supplies the lateral aspect of the cerebral hemisphere?

A

p.13
Cerebral arterial circle (Circle of Willis)

What is the role of the anterior communicating artery?

A

p.14
9
10
11
Anatomical illustrations of brain vasculature

What is the function of the central sulcus in the brain?

B

p.14
9
10
13
Blood supply to the brain

Which artery is primarily associated with the middle cerebral artery?

D

p.14
Anatomical illustrations of brain vasculature

What anatomical structure is located at the frontal pole?

E

p.14
Anatomical illustrations of brain vasculature

What is the role of the inferior temporal gyrus?

A

p.15
Cerebral arterial circle (Circle of Willis)

What arteries form the cerebral arterial circle (Circle of Willis)?

D

p.15
Cerebral arterial circle (Circle of Willis)

Where is the Circle of Willis located?

B

p.15
Cerebral arterial circle (Circle of Willis)

What is the primary function of the Circle of Willis?

C

p.15
Cerebral arterial circle (Circle of Willis)

Which arteries are NOT part of the Circle of Willis?

A

p.15
Cerebral arterial circle (Circle of Willis)

What is the significance of the Circle of Willis in cerebral circulation?

A

p.16
Cerebral arterial circle (Circle of Willis)

What arteries compose the Circle of Willis?

E

p.16
Cerebral arterial circle (Circle of Willis)

Which artery is NOT part of the Circle of Willis?

C

p.16
Cerebral arterial circle (Circle of Willis)

What is the function of the Circle of Willis?

D

p.16
Cerebral arterial circle (Circle of Willis)

Which artery connects the anterior and posterior circulations in the brain?

D

p.16
Cerebral arterial circle (Circle of Willis)

What is the significance of the Circle of Willis in clinical practice?

A

p.16
Cerebral arterial circle (Circle of Willis)

Which artery is primarily responsible for supplying the posterior part of the brain?

E

p.16
Cerebral arterial circle (Circle of Willis)

What is the anatomical position of the Circle of Willis?

B

p.17
Cerebral arterial circle (Circle of Willis)

What is the function of the anterior communicating artery?

C

p.17
Blood supply to the brain

Which artery is primarily responsible for supplying the medial aspects of the frontal and parietal lobes?

C

p.17
Blood supply to the brain

What does the optic chiasm primarily involve?

D

p.17
Internal carotid artery and its branches

Which artery is included in the group of posteromedial central arteries?

C

p.17
Blood supply to the brain

What is the role of the basilar artery?

C

p.18
Veins of the brain

What do the superficial cerebral veins primarily drain blood from?

E

p.18
Veins of the brain

Which sinus does the superior cerebral veins drain into?

C

p.18
Veins of the brain

What is the ultimate destination of the deep cerebral veins?

A

p.18
Veins of the brain

Which veins contribute to the formation of the basal vein?

B

p.18
Veins of the brain

What is the function of the deep cerebral veins?

C

p.19
Veins of the brain

What is the function of the superior sagittal sinus in the brain's venous drainage system?

D

p.19
Veins of the brain

Which structure is NOT part of the deep venous drainage of the brain?

B

p.19
Veins of the brain

What does the internal jugular vein do in relation to the brain's venous drainage?

C

p.19
Veins of the brain

Which of the following structures is involved in the drainage of deep venous blood from the brain?

D

p.19
Veins of the brain

What is the relationship between the thalamostriate vein and the thalamus?

B

p.20
Blood supply of the spinal cord

What are the two main sources of blood supply to the spinal cord?

A

p.20
Veins of the brain

Which veins drain the spinal cord?

C

p.21
Blood supply of the spinal cord

What is the function of the anterior spinal artery in the spinal cord?

A

p.21
Blood supply of the spinal cord

Which artery is located at the top of the posterior view of the spinal cord in Panel A?

C

p.21
Blood supply of the spinal cord

What do the segmental spinal arteries connect to in the spinal cord?

B

p.21
Blood supply of the spinal cord

Which artery supplies the posterior region of the spinal cord?

B

p.21
Blood supply of the spinal cord

What is the role of radicular arteries in the spinal cord?

D

p.22
Blood-brain barrier structure and function

What is the primary function of the blood-brain barrier?

D

p.23
Blood-brain barrier structure and function

What is the primary function of microvilli in the choroidal epithelium?

E

p.23
Blood-brain barrier structure and function

What type of endothelium is found in the capillaries associated with the blood-brain barrier?

D

p.23
Blood-brain barrier structure and function

What role do tight junctions play in the blood-brain barrier?

D

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Study Smarter, Not Harder