Respiratory System
Which of the following is a organ found in the respiratory system?
A. Lungs
B. Heart
C. Arteries
D. Actin
A. Lungs
Which of the following is a organ found in the circulatory system?
A. Heart
B. Veins
C. Arteries
D. Tissues
A. Heart
True or False
Smiling takes 17 muscles in the face, while frowning takes 43!
True
True or False
Anyone can have a heart attack.
True
What is the survival rate of DMD?
A. 0%
B. 10%
C. 18%
D. 24%
A. 0%
Name of the tiny air sacks found at the end of the bronchial tubes?
A. aveoli
B. alveoli
C. myosin
D. capillaries
B. alveoli
True or False
About 2,300 Americans die of cardiovascular disease each day, an average of 1 death every 38 seconds.
True.
True or False
Muscles cannot push, they can only pull. The reason the arm can push is muscles in the back of the arm pulling on the elbow!
True
Heart attacks usually occur because of...
A. Plaque build up in the aorta
B. Plaque build up in the coronary arteries
C. Plaque build up in the heart
D. Plaque build up in the veins
B. Plaque build up in the coronary arteries
True or False
DMD primarily affects females.
False
What are some of the ways you can ruin your lungs?
A. Smoking
B. Polluted air
C. Working in a coal factory
D. All of the above
D. All of the above
Correct Order from smallest to largest?
A. Veins, arteries, capillaries
B. arteries, veins, capillaries
C. capillaries, veins, arteries
D. Veins, capillaries, arteries
C. capillaries, veins, arteries
How does your muscles contract?
A. Myosin pulls on actin causing the two of them to "slide" past each other.
B. Actin pulls on myosin causing the two of them to "slide" past each other.
C. Your tendons are pulling on both actin and myosin to slide past each other.
D. Your ligaments are pulling on both actin and myosin to slide past each other.
A. Myosin pulls on actin causing the two of them to "slide" past each other.
What is the plaque made out of?
A. Triglycerides
B. Calories
C. Cholesterol
D. Calcium
C. Cholesterol
At what age are children diagnosed with DMD?
A. 1-2 years old
B. 2-3 years old
C. 3-4 years old
D. 4-5 years old
D. 4-5 years old
Alexa is having an asthma attack. Luckily, she carries around her inhaler and so she is breathing normally again. What exactly does the inhaler do?
A. It causes your airways to constrict, pushing more air into your lungs.
B. It causes your airways to expand, allowing more air into your lungs.
C. It causes your diaphragm to contract, allowing your lungs to take in air.
D. It neutralizes the carbon dioxide in the air.
B. It causes your airways to expand, allowing more air into your lungs.
What is the function of the aorta?
A. Carries oxygenated blood into the heart
B. Carries deoxygenated blood into the heart
C. Carries oxygenated blood away from the heart
D. Carries deoxygenated blood away from the heart
C. Carries oxygenated blood away from the heart
This is the cardiac muscle. Is it striated or not?
A. Yes
B. No
A. Yes
How long does it take coronary arteries to reach areas in the heart where muscles fibers are dying?
A. 3 days
B. 7 days
C. 2 days
D. 1 day
C. 2 days
What are the chromosomes for males?
A. XX
B. XY
C. YY
D. LY
B. XY
Sources of air pollution:
A. Cutting down evergreens
B. Filling your pool with water
C. Giving fertilizer to your plants
D. None of the above
A. Cutting down evergreens
How many chambers does the heart have and function of the left ventricle?
A. 4 chambers and the left ventricle pumps oxygenated blood into the aorta.
B. 4 chambers and the left ventricle pumps deoxygenated blood into the aorta.
C. 3 chambers and the left ventricle pumps oxygenated blood into the aorta.
D. 3 chambers the left ventricle pumps deoxygenated blood into the aorta.
A. 4 chambers and the left ventricle pumps oxygenated blood into the aorta.
Identify the following muscle.
Smooth muscle
What causes an heart attack?
A. Plaque build up in the aorta, causing reduced blood flow to the heart.
B. Plaque build up in the coronary arteries, causing reduced blood flow away from the heart.
C. Plaque build up in the coronary arteries, causing reduced blood flow to the heart.
D. Plaque build up in the aorta, causing reduced blood flow away from the heart.
C. Plaque build up in the coronary arteries, causing reduced blood flow to the heart.
If a carrier mother has a son with a normal father, what is likelihood that the son will end up being normal?
A. 0%
B. 25%
C. 50%
D. 100%
C. 50%