30 Questions
Which of the following is NOT a biological function of calcium?
Maintenance of normal blood sugar levels
What is the recommended daily intake of calcium for adult men and women?
800 mg/day
What promotes calcium uptake by intestinal cells?
Lactose
What is the primary location of calcium storage in the body?
Bones and teeth
What is the role of parathyroid hormone in calcium absorption?
Enhances calcium absorption
Which of the following is a good source of calcium?
Fish
What is the normal concentration of plasma or serum calcium?
9-11 mg/dl
What percentage of serum calcium is bound to proteins?
40%
What is the functional form of calcium in the blood?
Ionized form
What is the primary function of sodium in the body?
Maintaining osmotic pressure and fluid balance
What is the effect of high dietary phosphate on calcium absorption?
It forms insoluble calcium phosphate and prevents calcium uptake
What is a consequence of Hypomagnesaemia?
Abnormal eye movements
What is the effect of alkaline conditions on calcium absorption?
It is unfavorable for calcium absorption
What hormones regulate plasma calcium levels?
Calcitriol, parathyroid hormone (PTH), and calcitonin
What is a cause of Hyponatremia?
Chronic kidney disease
What is a symptom of Hypernatremia?
Increased blood volume and blood pressure
What is a cause of Hypomagnesaemia?
Rapid re-feeding after prolonged starvation/malnutrition
What is the primary function of magnesium in the body?
Maintaining nerve conduction
What is the primary function of minerals in the human body?
To perform vital functions essential for the existence of the organism
What are the minerals classified as, based on their daily requirement?
Macrominerals and microminerals
What is the primary difference between macrominerals and microminerals?
Their daily requirement
What is the significance of understanding the changing needs for minerals across the life span?
To understand the role of minerals in chronic illnesses
Which of the following is a vital function of minerals?
Blood coagulation
What is the outcome of mineral deficiency diseases?
Development of chronic illnesses
What is the primary function of potassium in maintaining intracellular osmotic pressure?
Regulating the amount of water in the cell
What is a potential consequence of hypokalemia?
Cardiac arrest
Which of the following can cause hyperkalemia?
Renal failure
What is the role of potassium in nerve function?
Transmission of nerve impulse
What is the result of inadequate intracellular potassium concentration?
Impaired biosynthesis of proteins by ribosomes
What is the normal range of serum potassium concentration?
A narrow range of concentrations
Learn about the key sources of minerals, changing needs across the life span, and the biological basis for several minerals and major/minor elements. Understand the importance of essential nutrients with Dr. Mohammed Shakil Akhtar's lecture.
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