Question 1

Even if you quit smoking,the damage to your lungs is already done and they will not return to normal.

Accepted Answer

If the body tissues are not already cancerous,the lungs may return to normal over time.

Question 2

Which of the following is not a lower respiratory infection?

Accepted Answer

Pulmonary fibrosis is a restrictive pulmonary disorder,but it is not an infection.

Question 3

Which of the following is not a symptom of emphysema?

Accepted Answer

In chronic bronchitis,the airways are inflamed and filled with mucus.

Question 4

Upon X-ray,it could be seen that Josh's lungs were filled with fluid.What is the proper diagnosis for Josh's illness?

Accepted Answer

Pneumonia occurs when alveoli fill with pus and fluid making gas exchange difficult.

Question 5

The difference between a restrictive pulmonary disorder and an obstructive pulmonary disorder is that in the restrictive disorder the lungs have lost their elasticity and in an obstructive disorder air does not flow freely in the airways.

Accepted Answer

Restrictive disorders include pulmonary fibrosis while obstructive disorders include asthma and chronic bronchitis.

Question 6

Which of these lower respiratory diseases should be treated with antibiotics?

Accepted Answer

Pulmonary tuberculosis is caused by a bacterial infection and should be treated with antibiotics.

Question 7

One of the main symptoms of a sinus infection is hoarseness.

Accepted Answer

Hoarseness is a symptom of laryngitis,not sinusitis.Symptoms of sinusitis include postnasal discharge and facial pain.

Question 8

What is the correct order of the following steps in the progression of lung cancer in a smoker? 1.Cilia are lost.2.There is a thickening and callusing of the cells lining the bronchi.3.Metastasis occurs.4.A tumor forms.5.Cells with atypical nuclei appear.

Accepted Answer

There appears to be thickening and callusing of the cells lining the bronchi.This is followed by the loss of cilia,cells with atypical nuclei,and the formation of a tumor.Finally,metastasis occurs.

Question 9

Lung cancer,just like breast cancer,is more prevalent in women than in men.

Accepted Answer

Lung cancer is more prevalent in men.

Quiz 10: Respiratory System