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What does persistent diffuse uptake mean on a bone scan?
There is an increased level of metabolic activity of the bone throughout the body.
What is metabolic activity?
Metabolic activity is the activity in which the chemical transformations occur within the cells of living organisms. Metabolic activity is used to maintain an organisms life.
What is metabolic activity in a cell?
Metabolic activity is the constant flow of molecules through metabolic pathways that maintains an organism's life.
What is an organisms chemical activity called?
metabolic activity
How does temperature affect oxygen consumption?
As temperature increases, so does the rate of oxygen consumption in organisms, including humans. This is because higher temperatures lead to higher metabolic rates due to increased enzyme activity. Conversely, lower temperatures decrease oxygen consumption due to reduced metabolic activity.
Which is the molecule that is broken down and reformed at higher rate when the cells metabolic activity increases?
The molecule that is broken down and reformed at a higher rate when cell metabolic activity increases is adenosine triphosphate (ATP). ATP serves as the primary energy currency of the cell, providing the energy needed for various cellular processes. When metabolic activity is high, cells require more ATP for energy, leading to increased breakdown and synthesis of ATP.
What happens to metabolic reactions when the human body temperature is not regulated?
When the human body temperature is not regulated, metabolic reactions can become impaired. Elevated temperatures can lead to increased enzyme activity initially, but if temperatures rise too high, it can denature enzymes and disrupt metabolic processes. Conversely, low temperatures can slow down enzymatic activity, resulting in decreased metabolic rates. Both extremes can negatively affect overall physiological functions and homeostasis.
Cell stimulated to increase steroid production will have abundant?
it will have abundant smooth endoplasmic reticulum
Can activity in an enzyme be increased by a vitamin?
Yes, activity in an enzyme can be increased by a vitamin, particularly if the vitamin acts as a coenzyme or cofactor. Many vitamins, such as B vitamins, play crucial roles in metabolic processes by assisting enzymes in catalyzing reactions more efficiently. When vitamins are present, they can enhance the enzyme's activity, leading to improved biochemical reactions within the body.
Does physical activity raises BMR?
Yes, physical activity can raise the Basal Metabolic Rate (BMR) by increasing muscle mass and overall energy expenditure. Engaging in regular exercise, particularly strength training, helps build muscle, which burns more calories at rest compared to fat. While the immediate effect of physical activity on BMR may be temporary, the long-term benefits of increased muscle mass can lead to a higher overall metabolic rate. Additionally, higher levels of physical activity can enhance overall metabolic health.
Name three factors that can trigger vasoconstriction or vasodilation?
Can be triggered by the brain in response to changes in blood pressure. Can be triggered by increased metabolic activity like exercise and can be triggered by Alcohol and nicotine.
Which of the following is not used to determine metabolic activity?
Temperature is not typically used to determine metabolic activity, as metabolism is more directly influenced by factors such as enzyme activity, substrate availability, and hormonal regulation. Temperature can indirectly affect metabolic rate by influencing enzyme function and reaction rates.
