From health tips to tech hacks, find it all on IDNLearn.com. Our experts provide timely and precise responses to help you understand and solve any issue you face.

Which of the following responses has been shown in ground-based spaceflight simulation studles?
a. Smooth muscle hypertrophy of cerebral arteries and diminished ability to vasoconstrict
b. Smooth muscle hypertrophy of cerebral arteries and enhanced ability to vasoconstrict
c. Smooth muscle atrophy of cerebral arteries and diminished ability to vasoconstrict
d. Smooth muscle atrophy and enhanced ability to vasoconstrict