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Q. No.
In the given diagram, A and B respectively are:
A
B
1.
Anterior pituitary
Posterior pituitary
2.
Superior colliculus
Inferior colliculus
3.
Pineal gland
Pituitary gland
4.
Broca’s area
Sella turcica
Subtopic: Intro to Hormones & Endocrine Glands |
79%
Level 2: 60%+
Hints
The diagram shows the connection between hypothalamus and pituitary. Identify the correct statements based on the given diagram:
| I: | A are hypothalamic neurons that produce ADH and Oxytocin |
| II: | B is the infundibulum or pituitary stalk |
| III: | C is a portal vein |
| IV: | D is pars distalis |
| V | E is pars nervosa |
| 1. | I and II only | 2. | I, II and III only |
| 3. | I and III only | 4. | II and III only |
Subtopic: Intro to Hormones & Endocrine Glands |
67%
Level 2: 60%+
Hints
The given diagram shows glucose homeostasis in humans.
| I: | A is insulin and B is glucagon |
| II: | A is a peptide hormone and B is a steroid |
| III: | A is a hypoglycaemic hormone and B is a hyperglycaemic hormone |
| 1. | Only I is correct | 2. | Only I and III are correct |
| 3. | Only II is correct | 4. | I, II and III are correct |
Subtopic: Pancreas |
72%
Level 2: 60%+
Hints
The diagram shows Hypothalamus – Pituitary – Thyroid axis. Based on the diagram, what will be true?
 |
I. Under normal physiological conditions, a decrease in the levels of thyroid hormones in the blood will lead to an increase in the secretion of TRH by Hypothalamus. II. Under normal physiological conditions, a decrease in the levels of thyroid hormones in the blood will lead to a decrease in the secretion of TSH by Anterior pituitary. |
| 1. Only I | 2. Only II |
| 3. Both I and II | 4. Neither I nor II |
Subtopic: Adenohypophysis & Hypothalamus |
60%
Level 2: 60%+
Hints
What would be true for Z1, Z2 and Z3 as shown in the given diagram?
I. Z1 is functionally related to sympathetic neural system.
II. Only the hormones secreted by Z2 are steroids.
III. The hormone secreted by Z3 is an androgen.
IV. The hormone secreted by Z1 mainly affects the carbohydrate, lipid and fat metabolism and is a potent anti-inflammatory agent.
V. All hormones produced by Z1, Z2 and Z3 act through a second messenger on their target cells.
I. Z1 is functionally related to sympathetic neural system.
II. Only the hormones secreted by Z2 are steroids.
III. The hormone secreted by Z3 is an androgen.
IV. The hormone secreted by Z1 mainly affects the carbohydrate, lipid and fat metabolism and is a potent anti-inflammatory agent.
V. All hormones produced by Z1, Z2 and Z3 act through a second messenger on their target cells.
| 1. | Only IV | 2. | Only IV and V |
| 3. | Only III | 4. | I, II and III |
Subtopic: Adrenal Medulla | Adrenal Cortex: Cortisol |
53%
Level 3: 35%-60%
Hints
The given figure shows the physical indications of the flight or fight response in the human body. What else will be true regarding such a response?
| I: | It is due to the sudden release of adrenaline and nor-adrenaline in our body. |
| II: | The other effects likely to be seen are bronchodilation, a dilation of blood vessels in skeletal muscle and heart and inhibition of gastrointestinal functions. |
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
Subtopic: Adrenal Medulla |
72%
Level 2: 60%+
Hints
Study the given figure carefully. The constellation of symptoms shown in the figure is caused by an overall decreased functioning of the adrenal cortex. This disease is called as:
| 1. Addison’s disease | 2. Hashimoto’s disease |
| 3. Gull’s disease | 4. Conn’s syndrome |
Subtopic: Adrenal Cortex: Cortisol | Adrenal Cortex: Aldosterone |
81%
Level 1: 80%+
Hints
The sign and symptoms enlisted in the given figure are most likely to be caused by the deficiency of:
| 1. | Calcium | 2. | Iron |
| 3. | Iodine | 4. | Zinc |
Subtopic: Thyroid Gland Part I | Thyroid Gland Part II |
91%
Level 1: 80%+
Hints
What will be true for the effects of parathyroid glands on the tissues shown in the given diagram?
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | In bone, PTH enhances the release of calcium from the large reservoir contained in the bones. |
| II: | In the kidney, PTH stimulates reabsorption of calcium but inhibits the reabsorption of phosphate \((HPO^{2-}_4)\) from the tubular fluid. |
| III: | It activates vitamin D, which in turn enables intestinal epithelium to absorb calcium. |
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Parathyroid |
61%
Level 2: 60%+
Hints
The given figure shows the mechanism of action of FSH on its target cells.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | FSH is hydrophilic and hence cannot enter the cell and therefore acts via a second messenger. |
| II: | The second messenger will cause physiological responses after binding to a receptor present in the nucleus of the cells and then influencing the level of gene expression in the target cell. |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Mechanism of Hormone Action |
Level 3: 35%-60%
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