HPE Exam 1 (ORU) – Study Guide and Practice Questions
What are the four survival requirements of cells? - ANS ✔✔1. Needs oxygen
2. Needs nutrients
3. Needs water
4. Needs to get rid of waste products
List the four components of the cardiorespiratory system. - ANS ✔✔1. Heart
2. Lungs
3. Blood
4. Blood vessels
What is cardiac output? - ANS ✔✔Stroke volume x heart rate per min = cardiac output
What is the difference between systolic and diastolic blood pressure? - ANS ✔✔Systolic:
Working hard; it is the pressure of the blood in the arteries when your heart pumps. It refers to
the maximum during the heartbeat.
Diastolic: Relaxing; it is the pressure of the blood in the arteries when your heart is filling. It
refers to the minimum between two heartbeats.
What blood pressure reading is considered average? - ANS ✔✔120/80
Systolic: 126-135
Diastolic: 81-88
Why is hypertension referred to as the "silent killer?" - ANS ✔✔There are no outward signs or
symptoms and can go undetected until a stroke, kidney problem etc. (High blood pressure)
What are the four survival requirements of cells? - ANS ✔✔1. Needs oxygen
2. Needs nutrients
3. Needs water
4. Needs to get rid of waste products
List the four components of the cardiorespiratory system. - ANS ✔✔1. Heart
2. Lungs
3. Blood
4. Blood vessels
What is cardiac output? - ANS ✔✔Stroke volume x heart rate per min = cardiac output
What is the difference between systolic and diastolic blood pressure? - ANS ✔✔Systolic:
Working hard; it is the pressure of the blood in the arteries when your heart pumps. It refers to
the maximum during the heartbeat.
Diastolic: Relaxing; it is the pressure of the blood in the arteries when your heart is filling. It
refers to the minimum between two heartbeats.
What blood pressure reading is considered average? - ANS ✔✔120/80
Systolic: 126-135
Diastolic: 81-88
Why is hypertension referred to as the "silent killer?" - ANS ✔✔There are no outward signs or
symptoms and can go undetected until a stroke, kidney problem etc. (High blood pressure)
