Chapter 11, Problem 1AYK

A histologist is a specialist in the study of the organization of tissues at all levels. ___________ ____________ ___________ __________

Which of the following statements about red blood cells is false? a. They live about 120 days before being replaced. b. They lack a nucleus and other organelles when they are mature. c. They are replaced when the hormone EPO stimulates stem cells in bone marrow. d. They are replaced as part of a negative feedback loop in which kidney cells monitor blood oxygen levels e. All the above statements are true except b, because all cells require a nucleus in order to function properly.

To become a specialist in the study and analysis of cells, Lee Wong signed up for courses in ____________________________.

Smoking cigarettes has been shown to be associated with the development of lung cancer. However, a direct correlation between how many cigarettes one smokes and the onset of lung cancer does not exist. A heavy smoker may not develop lung cancer, whereas a light smoker may develop the disease. Explain why this may be.

________ are characteristic of cancer. a. Malignant cells b. Neoplasms c. Tumors

A medical term for the condition commonly known as a bunion is __________________.