Answer the following statements true (T) or false (F)
1. Prolonged inactivity in a muscle can result in disuse hypertrophy.
2. Strength training results in an increase in the number of muscle fibers.
3. Strength training results in an increase in the number of myofilaments in each muscle fiber.
4. Endurance training causes muscle hypertrophy.
5. Endurance training increases the blood flow to a muscle.
1. FALSE
2. FALSE
3. TRUE
4. FALSE
5. TRUE
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Answer the following statements true (T) or false (F)
1. Covalent bonds are generally less stable than ionic bonds. 2. Hydrogen bonds are comparatively strong bonds. 3. The fact that no chemical bonding occurs between the components of a mixture is the chief difference between mixtures and compounds. 4. Alpha particles, although relatively weak energy particles, are second only to smoking as a cause of lung cancer. 5. No chemical bonding occurs between the components of a mixture.
The major inspiratory muscles—the muscles that contract to accomplish an inspiration during quiet breathing—include the __________ and __________ intercostal muscles
Fill in the blank(s) with correct word
Constriction of smooth muscle in the bronchioles
A. increases airflow out of the lungs. B. does not affect airflow. C. restricts the flow of air into the lungs. D. decreases ciliary action. E. occurs during periods of exercise.
Which cells produce hypochlorite in response to bacterial infections?
A. Basophils B. Eosinophils C. Neutrophils D. B cells E. Macrophages