Bio 251 unit exam 3 - Study guides, Class notes & Summaries

BIO 251 - Unit Exam 4. Questions and Answers. A+ Complete Guide. BIO 251 Unit Exam 4 Return to Assessment List Part 1 of 3 - Part 1 40.0/ 40.0 Points From chapter 23 Question 1 of 22 4.0/ 4.0 Points The stomach is protected from self-digestion by the ______________. When this breaks down, _________ can form and be painful.  A. Muscularis mucosa; nodules  B. Mucosal barrier; ulcers  C. Duodenum; ulcers  D. Serosa; nodules  E. None of the above is correct Feedba...

BIO 251 UNIT EXAM 1 Part 2 Question 25 of 50 2.0 / 2.0 Points Which of the following is/are correct in describing thrombosis: • A. A condition characterized by excessive numbers of plat elets that increases the risk for excessive clot formation, a condition known as thrombosis. • B. Thrombosis is a very common, always harmless condition that occurs in the body. • C. A thrombosis is always harmless because the thrombus which is formed always stays in a blood vessel precisely where it formed...

BIO 251 - Unit Exam 3. Questions and Answers. A+ Complete Guide. Unit Exam 3 Return to Assessment List Part 1 of 3 - Part 1 40.0/ 40.0 Points From chapter 25 Question 1 of 22 4.0/ 4.0 Points The renal ________ is the entry and exit site for structures servicing the kidneys.  A. Pelvis  B. Medulla  C. Hilum  D. Cortex  E. None of the above is true. Feedback: Good work; your answer is correct! Question 2 of 22 4.0/ 4.0 Points The volume of filtrate formed by b...

BIO 251 - Unit Exam 5. Questions and Answers. Complete Guide. Unit Exam 5 Return to Assessment List Part 1 of 3 - Part 1 32.0/ 40.0 Points From chapter 28 Question 1 of 22 4.0/ 4.0 Points Which part of a mature sperm contains enzymes which digest the coverings surrounding the ovulated oocyte?  A. middle piece  B. flagellum  C. nucleus  D. acrosome  E. nucleus Feedback: Good work; your answer is correct! Question 2 of 22 4.0/ 4.0 Points In the months precedi...

BIO 251 - Unit Exam 1: Part 1. Questions and Answers. Complete Solutions. Bio 251 Unit Exam 1 part 1 Return to Assessment List Part 1 of 3 - Part 1 30.0/ 30.0 Points From chapter 17 Question 1 of 50 2.0/ 2.0 Points Hormones regulate certain target cell responses. These can include which of the following?  A. Metabolism  B. All of the above are correct.  C. Fluid balance  D. Sexual function  E. Growth and development of tissue Feedback: Good work; your answer is...

BIO 251 - Unit Exam 2: Part 1. Questions and Answers. A+ Complete Solutions Guide. Unit Exam 2 part 1 Return to Assessment List Part 1 of 3 - Part 1 30.0/ 30.0 Points From chapter 20 Question 1 of 40 2.0/ 2.0 Points Venous return is affected by all EXCEPT:  A. Skeletal and muscle activity  B. Values lining the veins  C. Thorax pressure changes  D. Temperature changes in the body  E. All of the above affect venous return. Feedback: Good work; your answer is corr...

BIO 251 - Unit Exam 5. Questions and Answers. A+ Complete Guide. Part 1 of 3 - Part 1 32.0/ 40.0 Points From chapter 28 Question 1 of 22 4.0/ 4.0 Points Which part of a mature sperm contains enzymes which digest the coverings surrounding the ovulated oocyte?  A. middle piece  B. flagellum  C. nucleus  D. acrosome  E. nucleus Feedback: Good work; your answer is correct! Question 2 of 22 4.0/ 4.0 Points In the months preceding birth, the hormone which causes pe...