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1You find a man lying face down in an alley. The medical term for this position is
A)supine.
B)prone.
C)lateral recumbent.
D)shock position.


2Which of the following are bones of the forearm?
A)humerus and femur
B)tibia and radius
C)fibula and humerus
D)radius and ulna


3Select the correct statement about the circulatory system.
A)The upper chambers of the heart are called the ventricles.
B)The heart contains four one-way valves that make sure blood flows in the proper direction.
C)The walls of the heart are made up of skeletal muscle.
D)The lower chambers of the heart are called the atria.


4White blood cells
A)help the body fight infection.
B)are also called erythrocytes.
C)are irregularly shaped blood cells that have a sticky surface.
D)gather at the site of an injured blood vessel and stop the flow of blood.


5Which of the following arteries is found in the upper extremity?
A)brachial artery
B)posterior tibial artery
C)femoral artery
D)carotid artery


6The exchange of oxygen and carbon dioxide between the air and blood occurs in the
A)trachea.
B)alveoli.
C)bronchioles.
D)larynx.


7Which of the following are parts of the upper airway?
A)trachea, bronchioles, lungs
B)nose, bronchioles, pharynx
C)nose, pharynx, larynx
D)lungs, larynx, pharynx


8Hemoglobin is an oxygen-carrying protein in red blood cells.
A)True
B)False


9The chambers of the heart that have the thickest walls are the ventricles.
A)True
B)False





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