Opening and closing of the heart valves is caused by

Generalized protection is associated with the ________________ system.

A patient is hit in the face with a fist during a fight and presents with restriction of ocular motility, swelling/discoloration of the eyelids, as well as orbital crepitus on the affected side. A CT of the person is shown below. What is the most likely diagnosis?

Someone who has a hard time keeping their cool under pressure, or loses their temper often is likely perceived of as lacking:

Which of the following is not part of the ventricular filling phase?

A 60 yo, female truck driver comes in experiencing a sudden onset of pain in her distal lower, left leg. The leg is cold and pale while the toes in the left foot are deeply cyanotic. The doctor feels a pulse in a posterior tibial artery; but no pulse in the dorsalis pedis artery. Pulse, temperature and color are normal in the right leg. The doctor suspects a clot. Where could this clot be located?

Place the movement of blood in order from first to last.     Pressure builds in the right atrium forcing the tricuspid valve to open and blood to rush into the right ventricle. Blood travel through the pulmonary trunk to the pulmonary arteries and into the lungs to unload CO2 and pick up O2 Blood return from the body to the right atrium of the heart via the superior and inferior vena cava. Pressure build in the right ventricle forcing the pulmonary semilunar valve open.

A 12 year old patient has weakness in flexing her forearm at the elbow joint. Which of the following structures is most likely damaged?

The employee handbook at work says, “All employees must wear a white button up shirt, black pants and black shoes.” This rule can be described as an:

Use the diagram below to identify the left ventricle.