Exam (elaborations)
NSG 522 EXAM 1 QUESTION AND ANSWERS (VERIFIED ANSWERS)
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NSG 522 EXAM 1 QUESTION AND ANSWERS (VERIFIED ANSWERS)
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ESTUDYNSG 522 EXAM 1 QUESTION AND ANSWERS
(VERIFIED ANSWERS)
### 1. What is stroke volume?
- A) Amount of blood pushed into the lungs per heartbeat
- B) Amount of blood pushed into the aorta per heartbeat
- C) Amount of blood pumped in one minute
- D) Amount of blood in the body
**Answer:** B) Amount of blood pushed into the aorta per heartbeat
### 2. What is cardiac output?
- A) Amount of blood pushed into the lungs per heartbeat
- B) Amount of blood pumped in one minute
- C) Amount of blood in the body
- D) Amount of blood pushed into the aorta per heartbeat
**Answer:** B) Amount of blood pumped in one minute
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### 3. What is the main function of red blood cells?
- A) To fight infections
- B) To carry oxygen to tissues
,ESTUDY
- C) To help with blood clotting
- D) To regulate body temperature
**Answer:** B) To carry oxygen to tissues
---
### 4. What does the term "hypertension" refer to?
- A) Low blood pressure
- B) Normal blood pressure
- C) High blood pressure
- D) Blood pressure that fluctuates
**Answer:** C) High blood pressure
---
### 5. What is the primary role of the heart's ventricles?
- A) To receive blood from the body
- B) To pump blood out of the heart
- C) To regulate heart rate
- D) To filter blood
**Answer:** B) To pump blood out of the heart
, ESTUDY
---
### 6. What is an ECG (electrocardiogram)?
- A) A test to measure lung capacity
- B) A test to evaluate brain activity
- C) A test that measures the electrical activity of the heart
- D) A test to check blood sugar levels
**Answer:** C) A test that measures the electrical activity of the heart
---
### 7. What is the purpose of the valves in the heart?
- A) To prevent blood from flowing backward
- B) To increase heart rate
- C) To regulate blood pressure
- D) To oxygenate blood
**Answer:** A) To prevent blood from flowing backward
---
### 8. What can cause an increase in heart rate?
- A) Sleep
- B) Relaxation
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