When she was handed the award, her face lit up in complete _______ as she realized she had won.

He _______ deeply, feeling the weight of the stressful journey lift off him as he stepped into the airport.

She wrinkled her nose in _______ as she passed the alley, where the smell of rotten food was overpowering.

The comedian’s _______ comment about his own failed marriage had the audience laughing but also feeling uncomfortable at the same time.

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.