115 Practice Exam 2 - Answers - Fall 2017.docx

115 Practice Exam 2 - Answers - Fall 2017.docx - This is an...

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This is an exam I gave when I taught at University of Cincinna± that covered the same material (using the same text) as your exam on Monday. Using your notes and text to answer these ques±ons will help you study for our exam. But keep in mind that this “prac±ce exam” contains most of but not all of the informa±on you need to study for the exam . So be sure to work through all of your notes when you study. I will post the answers on Saturday , so study and work on this un±l then – then go back with the correct answers and re-study any ques±ons you miss. TRUE/FALSE 1. Hair on top of the head and in the armpits is considered “vellus” hair. FALSE 2. Neuroglial cells are the cells of nervous tissue that generate electrical activity. FALSE 3. The function of melanin is to protect the skin from UV radiation. TRUE 4. Reticular fibers are the largest and thickest of the three connective tissue fibers. FALSE 5. UV radiation in the epidermis helps create vitamin D. TRUE 6. Sebaceous follicles secrete their sebum into the follicle of a hair. FALSE 7. Inflammation involves an increased blood flow and capillary permeability to bring oxygen, nutrients and immune system cells to the injured tissue . TRUE 8. Gap junctions found between neighboring cells allow substances to pass freely between those cells. TRUE 9. Stem cell keratinocytes and melanocytes are located in the Stratum Basale. TRUE 10. Dark-skinned humans have more melanocytes in their epidermis than light-skinned humans. FALSE 11. Mucous membranes are moist membranes lining body cavity surfaces that open to the external world. TRUE 12. The cytosol contains more potassium ions and fewer sodium ions than the extracellular fluid. TRUE 13. The hypodermis contains adipose tissue and blood vessels but no vital organs, so it is a beneficial place to receive injections (with a hypodermic needle/syringe). TRUE 1
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MULTIPLE CHOICE 14.
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