Areas of the lungs outside the alveoli where gas exchange with the blood does not take place. During adulthood, explain why vital capacity changes with age. As one ages, the elastic fibers in the lung gradually decrease as well. elastance and greater compliance of the lungs.
Brain aneurysm: An mri/mra of the brain is an excellent screening test for the detection of even small (2-3 mm) brain aneurysms. Some neurosurgeons may recommend a ct angiogram of the brain or even a cerebral angiogram to be absolutely sure of the initial test results. Discuss the best option for you with a cerebrovascular neurosurgeon.
an mri and an mra are actually the same test the only difference is the application of the technology unlike x rays which use ionizing radiation to create medical images both the mri and mra use powerful magnets and radio waves to create images of the inside of the bodyn mri and an mra are actually the same test the only difference is the application of the technology unlike x rays which use ionizing radiation to create medical images both the mri and mra use powerful magnets and radio waves to create images of the inside of the body