Essential Nutrients: Micronutrients

Play an AI-generated podcast conversation about this lesson

Which of the following is NOT a biological function of calcium?

Development of bones and teeth

Maintenance of normal blood sugar levels (correct)

Activation of cellular enzymes

Regulation of nerve transmission

What is the recommended daily intake of calcium for adult men and women?

600 mg/day

800 mg/day (correct)

1.5 g/day

1.2 g/day

What promotes calcium uptake by intestinal cells?

Lactose (correct)

Vitamin D

Calcitriol

Parathyroid hormone

What is the primary location of calcium storage in the body?

Bones and teeth Signup and view all the answers

What is the role of parathyroid hormone in calcium absorption?

Enhances calcium absorption Signup and view all the answers

Which of the following is a good source of calcium?

Fish Signup and view all the answers

What is the normal concentration of plasma or serum calcium?

9-11 mg/dl Signup and view all the answers

What percentage of serum calcium is bound to proteins?

40% Signup and view all the answers

What is the functional form of calcium in the blood?

Ionized form Signup and view all the answers

What is the primary function of sodium in the body?

Maintaining osmotic pressure and fluid balance Signup and view all the answers

What is the effect of high dietary phosphate on calcium absorption?

It forms insoluble calcium phosphate and prevents calcium uptake Signup and view all the answers

What is a consequence of Hypomagnesaemia?

Abnormal eye movements Signup and view all the answers

What is the effect of alkaline conditions on calcium absorption?

It is unfavorable for calcium absorption Signup and view all the answers

What hormones regulate plasma calcium levels?

Calcitriol, parathyroid hormone (PTH), and calcitonin Signup and view all the answers

What is a cause of Hyponatremia?

Chronic kidney disease Signup and view all the answers

What is a symptom of Hypernatremia?

Increased blood volume and blood pressure Signup and view all the answers

What is a cause of Hypomagnesaemia?

Rapid re-feeding after prolonged starvation/malnutrition Signup and view all the answers

What is the primary function of magnesium in the body?

Maintaining nerve conduction Signup and view all the answers

What is the primary function of minerals in the human body?

To perform vital functions essential for the existence of the organism Signup and view all the answers

What are the minerals classified as, based on their daily requirement?

Macrominerals and microminerals Signup and view all the answers

What is the primary difference between macrominerals and microminerals?

Their daily requirement Signup and view all the answers

What is the significance of understanding the changing needs for minerals across the life span?

To understand the role of minerals in chronic illnesses Signup and view all the answers

Which of the following is a vital function of minerals?

Blood coagulation Signup and view all the answers

What is the outcome of mineral deficiency diseases?

Development of chronic illnesses Signup and view all the answers

What is the primary function of potassium in maintaining intracellular osmotic pressure?

Regulating the amount of water in the cell Signup and view all the answers

What is a potential consequence of hypokalemia?

Cardiac arrest Signup and view all the answers

Which of the following can cause hyperkalemia?

Renal failure Signup and view all the answers

What is the role of potassium in nerve function?

Transmission of nerve impulse Signup and view all the answers

What is the result of inadequate intracellular potassium concentration?

Impaired biosynthesis of proteins by ribosomes Signup and view all the answers

What is the normal range of serum potassium concentration?

A narrow range of concentrations Signup and view all the answers

Essential Nutrients: Micronutrients - Minerals Lecture

Choose a study mode

Podcast

Questions and Answers