Regarding the falx cerebri, which meningeal layer forms it, what groove does it

ID: 3517903 • Letter: R

Question

Regarding the falx cerebri, which meningeal layer forms it, what groove does it sit in, and what parts of the brain does it separate?

a. dura mater; longitudinal fissure; right + left cerebral hemispheres

b. dura mater; lateral sulcus; cerebrum + cerebellum

c. dura mater; parieto-occipital sulcus; right + left cerebellar hemispheres

d. dura mater; central sulcus; frontal and parietal lobes

2. Which of the following does NOT form the blood-brain barrier?

a. thick basement membrane of endothelial cells

b. ependymal cells

c. tight junctions between endothelial cells

d. astrocytes

3. Which regions of the spinal cord are enlarged and why?

a. thoracic + lumbar; for innervation of lungs + heart + abdomen

b. cervical + lumbar; for upper + lower limb innervation

c. lumbar + sacral; larger vertebral colum

d. cervical + sacral; superior + inferior ends of the spine

4. Regarding a spinal nerve, the ventral root consists of _________ axons only, and the dorsal root consists of ________ axons only.

a. unmyelinated; myelinated

b. myelinated; unmyelinated

c. sensory; motor

d. motor; sensory

Regarding the falx cerebri, which meningeal layer forms it, what grooves does it sit in, and what parts of the brain does it separate ?

Dura Meyer, longitudinal fissure, right and left cerebral hemispheres.

Which of the following does not form the blood brain barrier?

Ependymal cells

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.