HESI A2 test A&P- Respiratory System

Which of the following is not a function of the nose?

Gas exchange

The ________________ is a passage for air and food.

Pharynx

Which of the following is also called the voice box?  

Larynx

Which structure divides into the left and right bronchi?

Trachea

The cartilaginous structure which covers the larynx during swallowing is called the ____________.

Epiglottis

Another name for the windpipe is the _________________.

Trachea

The part of the lungs where gas exchange takes place is called _________________.

Alveoli

Which of the following structures is correctly paired with its function?  

Diaphragm—Increases volume of thoracic cavity

Which of the following structure-function pairs is incorrect? 

Pharynx—Prevents food from entering the lungs

Which of the following describes exhalation?

Flow of air from the lungs to the exterior through the nose or mouth

Which of the following does not occur during inspiration?

Increase in intrathoracic pressure

The exchange of oxygen and carbon dioxide between the alveoli and blood in the capillaries is called ___________.

External respiration

What is internal respiration?

Gas exchange between blood and the cells of the body

Which of the following correctly describes aerobic respiration?

Production of energy by cells in the presence of oxygen

The end product of anaerobic respiration is ____________.

Lactic acid

Which part of the brain regulates respiration?

Medulla

 _____________ carries oxygen in the blood.

Erythrocyte

Hemoglobin releases oxygen when there is  ______________________.

Low pH

The respiratory system plays a role in acid-base balance. Which of the following statements is correct?

High carbon dioxide levels lead to low pH

Most carbon dioxide in the body is in the form of ______________.

Bicarbonate ion