The Mineralocorticoid

Q. For steroid hormones, receptors are located on/in:

1. Plasma membrane
2. Cytoplasm
3. Nuclear membrane
4. DNA

Q. Which of the following part of adrenal gland secretes mineralocorticoids?

1. Zona Reticularis
2. Zona Fasciculata
3. Zona glomerulosa
4. Adrenal medulla

Q. Which of the following is the main mineralocorticoid?

1. Testosterone
2. Adrenaline
3. Progesterone
4. Aldosterone

Q.

An artificially synthesised substance X when injected into an adult male suffering from failure in the normal functioning of testes, caused an initial stimulation of pituitary luteinizing hormone (LH) and follicle-stimulating hormone (FSH) secretion. Substance X is most likely to be an analogue of

1. GnRH
2. Citric acid
3. Seminalplasmin
4. Andogen binding protein

Q.

What organ removes sugar from the blood?

Q.

What are endocrine glands?

Q. Which one of the following hormone is a mineralocorticoid?

1. Aldosterone
2. Adrenaline
3. Cortisol
4. All of the above

Q. Only certain cells in the body are target cells for the steroid hormone aldosterone. Which of the following is the best explanation for why these are the only cells that respond to this hormone?

1. Only target cells are exposed to aldosterone
2. Only target cells contain receptors for aldosterone
3. Non-target cells destroy aldosterone before it produces its effect
4. Aldosterone is unable to enter non-target cells

Q. Hormones differ from enzymes in that hormones are

1. found only in animals
2. completely used up during metabolism
3. found only in plants
4. not used up at all in the metabolism

Q. Which one of the following pairs of hormones are the examples of those which can easily pass through the cell membrane of the target cell and bind to a receptor inside it (mostly in the nucleus)?

1. Cortisol, testosterone
2. Insulin, glucagon
3. Thyroxin, insulin
4. Somatostatin, oxytocin

Q.

The steroid responsible for balance of water and electrolytes in our body is

(a) insulin

(b) melatonin

(c) testosterone

(d) aldosterone

Q. Which of the following is the main mineralocorticoid?

1. Testosterone
2. Progesterone
3. Adrenaline
4. Aldosterone

Q. Mineralocorticoids regulate carbohydrate, protein and fat metabolism.

1. True
2. False

Q. Which one of the following hormones converts excess of glucose into glycogen?

1. Glucagon
2. Thyroxine
3. Insulin
4. Adrenaline

Q. Which of these is not a steroid hormone?

1. Aldosterone
2. Thyroxine
3. Androgen
4. Estrogen

Q. Which one of the following hormones is not involved in sugar metabolism?

1. Cortisol
2. Glucagon
3. Insulin
4. Aldosterone

Q. Very short answer type.
Besides ADH, which other hormones contribute to the regulation of water reabsorption?

Q. Which of the following is a mineralocorticoid?

1. Aldosterone
2. Testosterone
3. Progesterone
4. Adrenaline

Q. Only certain cells in the body are target cells for the steroid hormone aldosterone. Which of the following is the best explanation for why these are the only cells that respond to this hormone?

1. Only target cells are exposed to aldosterone
2. Only target cells contain receptors for aldosterone
3. Aldosterone is unable to enter non-target cells
4. Non-target cells destroy aldosterone before it produces its effect

Q.

Which of the following cell secretes cholecystokinin hormone?

1. Alpha cell
2. Beta cell
3. F cell
4. I cell

Q. In which of the following respect, the plant hormones differ from enzymes?

1. Required in less quantity.
2. They are expended in the process.
3. They release some energy.
4. Both (A) and (B).

Q. Choose the correct answer from the alternatives given.
What does a plant hormone do at the molecular level?

1. Modulates transcription
2. Hydrolyses a molecule
3. Synthesizes a molecule
4. Stores a molecule

Q. What does an increase in the secretion of insulin produce?

1. An increase in blood sugar level
2. A decrease in glucose permeability of cells
3. An increase in glucose permeability of cells
4. A decrease in glucose metabolism

Q. Which of the following mineral is needed for amino acid to pass into the bloodstream?

1. Potasium
2. Sodium
3. Iron
4. Both A and B

Q. Would dopamine be called an amino acid derived hormone?

Q. How is aldosterone release stimulated?

1. Angiotensin II
2. High levels of potassium ions
3. Low levels of sodium ions
4. None of the above