MSU HNF 150 Exam 2 Complete Answers
Protein contains ✔️✔️Hydrogen, Oxygen, Nitrogen
Protein ✔️✔️compounds composed of carbon, hydrogen, oxygen, and nitrogen and arranged as
strands of amino acids.
What is the role of dietary fiber in digestive health?
Dietary fiber helps regulate bowel movements, prevents constipation, and supports a healthy gut
microbiome by feeding beneficial bacteria. ✔️✔️
How do electrolytes maintain fluid balance in the body?
Electrolytes, such as sodium, potassium, and chloride, help regulate the movement of water and
maintain proper hydration levels in cells and tissues. ✔️✔️
What are the risks associated with consuming too much saturated fat?
Excessive intake of saturated fat can raise LDL (bad) cholesterol levels, increasing the risk of heart
disease and stroke. ✔️✔️
Why is hydration important for physical performance?
Proper hydration supports muscle function, reduces the risk of fatigue, and helps maintain blood
circulation during exercise. ✔️✔️
What are the benefits of a plant-based diet for heart health?
A plant-based diet is high in fiber, antioxidants, and healthy fats, which help reduce cholesterol, lower
blood pressure, and improve cardiovascular health. ✔️✔️
How do probiotics affect gut health and digestion?
Probiotics support the growth of beneficial gut bacteria, improving digestion, immune function, and
reducing inflammation in the digestive system. ✔️✔️
,What is the function of hemoglobin in red blood cells?
Hemoglobin carries oxygen from the lungs to the tissues and organs, and transports carbon dioxide back
to the lungs for exhalation. ✔️✔️
How does vitamin D support the immune system?
Vitamin D enhances the pathogen-fighting effects of immune cells, such as T cells and macrophages,
improving the body’s ability to fight infections. ✔️✔️
What is the role of zinc in wound healing?
Zinc is essential for cell division and tissue growth, which accelerates the healing process of wounds and
helps maintain skin integrity. ✔️✔️
How does the body convert carbohydrates into energy?
Carbohydrates are broken down into glucose, which is used by the body for energy. Excess glucose is
stored as glycogen in the liver and muscles. ✔️✔️
Why is it important to consume a variety of vitamins and minerals?
Different vitamins and minerals support various bodily functions, including immune health, energy
production, and bone health, and a variety ensures all needs are met. ✔️✔️
What is the difference between complete and incomplete proteins?
Complete proteins contain all nine essential amino acids, while incomplete proteins lack one or more of
the essential amino acids. ✔️✔️
How do omega-3 fatty acids support cardiovascular health?
Omega-3 fatty acids help reduce inflammation, lower blood pressure, reduce triglycerides, and improve
blood vessel function, all of which protect heart health. ✔️✔️
What is the impact of caffeine on metabolism?
, Caffeine stimulates the central nervous system, increasing heart rate and metabolism, which may
temporarily enhance fat burning and energy expenditure. ✔️✔️
What is the importance of calcium in the body?
Calcium is essential for bone and teeth health, muscle function, nerve transmission, and blood clotting.
✔️✔️
What are the consequences of a vitamin C deficiency?
A vitamin C deficiency can lead to scurvy, causing symptoms such as fatigue, swollen gums, joint pain,
and weakened immunity. ✔️✔️
How does the liver support nutrient metabolism?
The liver processes nutrients absorbed from the digestive tract, stores glucose as glycogen, and
synthesizes proteins, hormones, and detoxifies harmful substances. ✔️✔️
Why is potassium important for heart health?
Potassium helps maintain normal heart rhythm, supports muscle function, and regulates blood pressure
by counteracting the effects of sodium. ✔️✔️
What is the primary function of the stomach in digestion?
The stomach secretes digestive enzymes and hydrochloric acid to break down food, turning it into a
semi-liquid form called chyme for further digestion. ✔️✔️
How does exercise affect the body’s use of glucose?
During exercise, muscles use glucose as a primary fuel source for energy, and regular exercise improves
the body’s ability to use glucose efficiently. ✔️✔️
Why is it essential to maintain a healthy gut microbiome?
A healthy gut microbiome supports digestion, improves immune function, prevents gastrointestinal
issues, and may help manage weight and prevent chronic diseases. ✔️✔️
