1. Which of the following choices is part of the circulatory system?
A. plasma
B. the heart
C. platelets
D. All of these choices are correct.
2. Which of the following choices leads to hypertension?
A. high blood pressure
B. low systolic rate
C. low red blood cell count
D. low white blood count
3. Which of the following organs is NOT part of pulmonary circulation?
A. lungs
B. bronchioles
C. mitral valve
D. alveoli
4. Which of the following choices would cause the breathing rate to increase?
A. high levels of oxygen
B. reduced activity level
C. higher levels of carbon dioxide
D. higher levels of water
5. Individuals with high blood pressure are at a higher risk for:
A. stroke.
B. aneurism.
C. heart attack
D. All of these choices are correct.
6. If a person's blood pressure is 120/70, then:
A. he or she has hypertension.
B. his or her systolic rate is 120mm.
C. the diastolic rate is normal, but the systolic is high.
D. All of these choices are correct.
7. Which of the following choices makes up the biggest percentage of the blood?
A. plasma
B. red blood cells
C. white blood cells
D. platelets
8. Why is the circulation for humans called a double pump system?
A. The ventricles pump blood away from the heart.
B. The atria are receiving chambers and do not pump blood through the body.
C. Blood follows two completely separate pathways from the heart.
D. None of these choices are correct.