Respiratory distress syndrome is caused by lack of __________.

a. mucus
b. a surfactant
c. an alveolar surface area
d. ciliated epithelial cells


Ans: b. a surfactant

Anatomy & Physiology

You might also like to view...

The term that describes the back of the elbow is ________

Fill in the blank with correct words.

Anatomy & Physiology

Which of the following is not a vein of the lower limb?

A) Posterior tibial artery B) Fibular vein C) Popliteal vein D) Medial plantar artery E) Anterior interosseous artery

Anatomy & Physiology

When walking down stairs or a steep hill, the knee is flexed. Which structure prevents the tibia from sliding too far posteriorly, and the femur from sliding too far anteriorly?

A: patellar ligament B: ACL C: PCL D: medial meniscus E: lateral meniscus

Anatomy & Physiology

If left untreated, cataracts can lead to what?

A. Blindness B. Presbyopia C. Myopia D. Hyperopia

Anatomy & Physiology