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How well do you understand the concepts in this lesson?

The questions below are similar to the ones you will see on this lesson's quiz. As you select answers, read the feedback for each question carefully. If you do not understand why a correct answer is correct, review the section of this lesson that relates to that question.

Which of the following is a disease that prevents the body from using the sugars and starches in food for energy?

  1. cancer
  2. asthma
  3. heart disease
  4. diabetes

Diabetes is caused by problems with insulin, the hormone that normally moves sugars out of the bloodstream and into the body's cells.

Diabetes is caused by problems with insulin, the hormone that normally moves sugars out of the bloodstream and into the body's cells.

Diabetes is caused by problems with insulin, the hormone that normally moves sugars out of the bloodstream and into the body's cells.

Diabetes is caused by problems with insulin, the hormone that normally moves sugars out of the bloodstream and into the body's cells.

What do all types of cancer have in common?

  1. the difficulty of treatment
  2. the lack of a cure
  3. the uncontrolled growth of abnormal cells
  4. the formation of benign tumors

By definition, cancer is the uncontrolled growth of abnormal cells. Some cancers are fairly easy to treat; some lack a cure. Benign tumors are not cancerous.

By definition, cancer is the uncontrolled growth of abnormal cells. Some cancers are fairly easy to treat; some lack a cure. Benign tumors are not cancerous.

By definition, cancer is the uncontrolled growth of abnormal cells. Some cancers are fairly easy to treat; some lack a cure. Benign tumors are not cancerous.

By definition, cancer is the uncontrolled growth of abnormal cells. Some cancers are fairly easy to treat; some lack a cure. Benign tumors are not cancerous.

Which of the following is NOT likely to set off an asthma attack?

  1. a hot shower
  2. physical exertion
  3. tobacco smoke
  4. allergens

Cold, dry air is more likely to set off an asthma attack than the warm, moist air of a hot shower.

Cold, dry air is more likely to set off an asthma attack than the warm, moist air of a hot shower.

Cold, dry air is more likely to set off an asthma attack than the warm, moist air of a hot shower.

Cold, dry air is more likely to set off an asthma attack than the warm, moist air of a hot shower.

Why is atherosclerosis bad?

  1. It can slow or stop blood flow.
  2. It makes the inside surface of the arteries bumpy instead of smooth.
  3. It is caused by fatty deposits on the artery wall.
  4. It is usually associated with a high-fat diet.

All of these answer choices correctly describe aspects of atherosclerosis. But the reason these fatty deposits inside the arteries are bad is that they slow or stop blood flow.

All of these answer choices correctly describe aspects of atherosclerosis. But the reason these fatty deposits inside the arteries are bad is that they slow or stop blood flow.

All of these answer choices correctly describe aspects of atherosclerosis. But the reason these fatty deposits inside the arteries are bad is that they slow or stop blood flow.

All of these answer choices correctly describe aspects of atherosclerosis. But the reason these fatty deposits inside the arteries are bad is that they slow or stop blood flow.

Summary

Questions answered correctly:

Questions answered incorrectly: