This Knowledge Check In includes a variety of questions in multiple choice, fill-in-the-blank, and true or false formats. Please select the best answer for each question. If you come to a screen where no option can be selected, this means the previous answer is incorrect. Please click the "previous" button to select a different answer, and then click "next" to proceed. Once you've completed the Knowledge Check In, you'll receive your Human First Lens Certificate directly in your email.