An adult patient presents for evaluation of a pigmented lesion on the upper back that has changed in appearance over several months. On examination, the lesion is asymmetric, has irregular borders, and shows variegated pigmentation with areas of brown, black, and reddish coloration, as shown in the image. Which of the following is the most likely diagnosis?    

Antihistamines are commonly used in the management of allergic conditions such as allergic rhinitis and urticaria. These medications block histamine at H1 receptors, reducing symptoms like itching, swelling, and nasal congestion. Which of the following best describes the mechanism of action of first-generation H1-receptor antagonists, and what important patient education should be provided regarding their use?

This 29 year man just returned from his international business trip to the Philippines.  He spent 1 month exploring the country during this time frame.  He has been experiencing some malaise, a non productive cough and a low grade fever which he thinks is from all of his travels.  You get a Chest xray seen below.  What is your diagnosis?

Which lung protection mechanisms play a critical role in preventing protease-mediated damage to lung tissue by inhibiting neutrophil elastase and other proteases?

The behavioral change model that assumes that a person takes health action to avoid negative consequences, believing the action will prevent a negative outcome is:

Miss Pink presents with a 1-day history of cough, which she notices only at night. She denies fever, shortness of breath, chest pain, or sputum production. She states she has “had bronchitis before” and requests a chest X-ray to confirm the diagnosis. Vital signs are normal, and lung exam is clear to auscultation. What is the most appropriate response?  

Instructions: 1. Print the exam and formula sheets.2. Show each page to the Honorlock camera so that I can verify nothing has been added prior to starting the exam.3. Take the exam with the camera showing your entire workspace, including both hands, for the entire exam duration. The only items permitted in your workspace during the exam are the printed exam with attached formula sheets, a pen and/or pencil, and a handheld calculator.4. When you finish the exam, show each page to the Honorlock camera. No changes may be made to your exam after showing your work to the Honorlock camera.5. Upload your exam in Canvas. To receive full credit, you must show all work for questions requiring calculations. Remember to apply the rules for significant figures when appropriate. Remember to include units when appropriate. Good luck! Formula Sheets: Formulas and Periodic Table.pdf Exam: Adv Chem Unit 7 (CH 15, 16, 17) Exam.pdf

True or False: Stochastic effects are acute tissue reactions that appear within minutes, hours or days of exposure to ionizing radiation.

True or False:  If emitted from a radioisotope deposited in the body, alpha particles cannot be absorbed in epithelial tissue and therefore are not damaging to that tissue.

True or False: Radiation protection is defined as effective measures to safeguard patients, personnel, and the general public from unnecessary exposure to ionizing radiation.