The blood-brain barrier prevents passage of unwanted substances into the CNS through which of the following?

After a long week of hard work, he decided ________ in a luxurious spa day to unwind and relax.

He tried ____ that the situation didn’t bother him, but his nervous laughter gave him away.

When she opened the box of chocolates and found it half-eaten, she stared at it in complete _______ and refused to take another piece.

What is the primary use of nuclear medicine in brain imaging?

Despite all the obstacles, his ____ optimism kept the project moving forward.

Which of the following pathologies is characterized by significant dilation of the renal pelvis and calyces as a result of an obstruction from a stone?

Please match the anatomy to which part of the nervous system it belongs in.

The cerebrum is the largest portion of the brain.

The seminar lasted much longer than expected, and his lengthy analysis of the report began to ____ the attendees.