Midterm Review

Blood consists of red blood cells, white blood cells, and platelets suspended (floating) in a fluid known as _______.

• plasma

• water

• erythrocytes

• thrombocytes

The _________ is shared by both the respiratory and digestive tracts.  

• larynx

• trachea

• pharnyx

• sinuses

 The __________ is a cartilaginous, lid-like structure that covers the entry of the larynx to prevent food/liquid from entering the airway during swallowing.

• Alveoli

• Epiglottis

• Uvula

• tongue

The ___________lung is larger and is divided into three lobes.

• right

• left

Which of the following consists of the airways, lungs, and the diaphragm muscle, and mediates the movement of air into and out of the body?

• Circulatory System

• Skeletal System

• Muscular System

• Respiratory System

Which of the following is the term for breathing in? 

• Expiration

• Inspiration

• Ventilation

• Perspiration

What structure houses the vocal cords, also known as the voice box?

• bronchioles

• alveoli

• lobules

• Larynx

Which of the following are the large air tubes leading from the trachea to the lungs. 

• Bronchi

• Trachea

• Lungs

• Pharynx

What picks up oxygen from the lungs and carries it to all of the cells of the body?

• White blood cells

• Red blood cells

• Veins

• Blood platelets

The bronchi of the lungs end with many tiny little sacs. What are these sacs?

• Alveoli

• Capillaries

• Bronchioles

• Arterioles