Understanding Heart Rate and Blood Pressure

What types of factors affect your heart rate, or pulse?

• Physical activity, stress, emotions, medications, caffeine, temperature, and overall health
• Weather, time of day, and moon phase
• Favorite color, shoe size, and pet's name
• Number of clouds in the sky, type of grass, and brand of toothpaste

Tags

NGSS.HS-LS1-3

What is a normal heart rate for an adult?

• 70-110 beats per minute
• 60-100 beats per minute
• 50-90 beats per minute
• 40-80 beats per minute

Tags

NGSS.HS-LS1-3

Where is the easiest place to measure your heart rate?

• On your forehead
• On your ankle
• On your elbow
• On your wrist

How did your heart rate change after you did the exercise?

• My heart rate increased after I did the exercise.
• My heart rate stayed the same after I did the exercise.
• My heart rate decreased after I did the exercise.
• My heart rate fluctuated after I did the exercise.

Tags

NGSS.HS-LS1-3

What is the difference between systole and diastole?

• Systole is the contraction phase, and diastole is the relaxation phase of the heart.
• Systole is the relaxation phase, and diastole is the contraction phase of the heart.
• Systole is the phase where the heart pumps blood, and diastole is the phase where the heart is at rest.
• Systole is the phase where the heart is at rest, and diastole is the phase where the heart pumps blood.

What does blood pressure measure?

• Blood pressure measures the temperature of the blood
• Blood pressure measures the speed of blood flow
• Blood pressure measures the oxygen content in the blood
• Blood pressure measures the force of blood against the walls of the arteries.

Why are there two numbers in a blood pressure reading?

• To measure heart rate and oxygen levels
• To measure both systolic and diastolic pressure
• To indicate the time of day
• To track the number of breaths per minute

Summarize what the P wave on an ECG represents.

• Atrial repolarization
• Ventricular repolarization
• Ventricular depolarization
• Atrial depolarization

When would someone need defibrillation?

• When someone is feeling cold
• When someone has a headache
• When someone is hungry
• When someone is experiencing a life-threatening arrhythmia

It seems counterintuitive to stop someone's heart in order to save their life. How does it help?

• It allows for a quicker death in emergency situations
• By inducing a heart attack, it jumpstarts the heart's natural rhythm
• Stopping the heart is a myth and has no medical benefit