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Biology 2e

Visual Connection Questions

Biology 2eVisual Connection Questions
1.

Figure 33.11 Which of the following statements about types of epithelial cells is false?

  1. Simple columnar epithelial cells line the tissue of the lung.
  2. Simple cuboidal epithelial cells are involved in the filtering of blood in the kidney.
  3. Pseudostratisfied columnar epithilia occur in a single layer, but the arrangement of nuclei makes it appear that more than one layer is present.
  4. Transitional epithelia change in thickness depending on how full the bladder is.
2.

Figure 33.21 State whether each of the following processes are regulated by a positive feedback loop or a negative feedback loop.

  1. A person feels satiated after eating a large meal.
  2. The blood has plenty of red blood cells. As a result, erythropoietin, a hormone that stimulates the production of new red blood cells, is no longer released from the kidney.
3.

Figure 33.23 When bacteria are destroyed by leukocytes, pyrogens are released into the blood. Pyrogens reset the body’s thermostat to a higher temperature, resulting in fever. How might pyrogens cause the body temperature to rise?

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