Pancreas

Q.

In which view headers and footers are visible

Q. How are fats digested in our bodies? Where does this process take place?

Q.

What are the main functions of carbohydrates?

Q.

List the hormones secreted by pancreas.

Q.

With regard to insulin choose the correct options:

a) C-peptide is not present in mature insulin.
b) The insulin produced by rDNA technology has C-peptide.
c) The pro-insulin has C-peptide
d) A-peptide and B-peptide of insulin are interconnected by disulfide bridges.

1. (b) and (c) only

2. (a) and (d) only

3. (b) and (d) only

4. (a), (c) and (d) only

Q.

In the stomach, what is the role of chief cells and parietal cells?

Q. Islets of langerhans

Q.

What is the function of the insulin hormone? What type of patients are given insulin injections?

Q.

Give the composition of the pancreatic juice.

Q.

What substances are contained in pancreatic juice ? What are their functions ?

Q.

Study the diagram given below and then answer the questions that follow :

(a) Name the cells of the pancreas that produce (1) glucagon (2) insulin.

(b) State the main function of (1) glucagon and (2) insulin.

(c) Why is the pancreas referred to as an exo-endocrine gland ?

(d) Why is insulin not given orally but is injected into the body ?

(e) What is the technical term for the cells of the pancreas that produce endocrine hormones ?

(f) Where in the body is the pancreas located ?

Q.

What is the function of the hormone cholecystokinin?

Q.

Give an example of holocrine glands.

Q.

State the role of liver in excretion.

Q. The 24 hour (diurnal) rhythm of our body such as the sleep wake cycle is regulated by the hormone melatonin .

1. True
2. False

Q.

Difference between Evacuant Enema and Retention Enema.

Q. Trypsin and lipase breakdown ______ and ______ respectively.

1. fats, carbohydrates
2. proteins, carbohydrates
3. carbohydrates, fats
4. proteins, fats

Q.

Which one of the following pairs is incorrectly matched?

1. Somatostatin – Delta cells (source)

2. Glucagon – Beta cells (source)

3. Insulin – Diabetes mellitus (disease)

4. Corpus luteum – Progesterone (secretion)

Q.

Insulin is a polymer of sugars.

1. True
2. False

Q. Why the pancreas is a dual gland.

Q.

What is the function of hormone gastrin?

Q. Which of the following statements is true for protein hormones?

1. They do not enter target cells
2. They interact with membrane-bound receptors and generate second messengers inside the cell
3. They interact with intracellular receptors and generate second messengers inside the cell
4. Intracellular receptor-hormone complex interacts with the organism's genome

Q. Insulin hormone is secreted by?

1. Islets of Langerhans of Pancreas
2. Neurons
3. Medulla region of Kidney
4. Pituitary Gland

Q. Which of the following statements about the hypothalamus is incorrect?

1. It functions as an endocrine gland.
2. It secretes tropic hormones that act directly on the gonads.
3. It is subject to feedback inhibition by certain hormones.
4. It is part of the central nervous system.

Q. How is the timing and amount of hormone release regulated in our body

Q.

Insulin hormone is secreted by

1. Pancreas

2. Pituitary gland

3. Adrenal gland

4. Thyroid gland

Q.

Assertion [A]: Glucagon lowers the blood sugar level.

Reason [R]: Glucagon increases the cellular uptake of glucose.

1. Both A and R are true and R is the correct explanation of A.

2. Both A and R are true but R is not the correct explanation of A.

3. Both A and R are false.

4. A is true and R is false.

Q.

Name the endocrine gland present in males but not in females.

Q. Match the following:
1. Pituitary A. Above kidneys
2. Thyroid B. Base of brain
3. Pancreas C. Around trachea
4. Adrenal D. Below stomach

1. 1 - B, 2 - C, 3 - A, 4 - D
2. 1 - B, 2 - C, 3 - D, 4 - A
3. 1 - B, 2 - D, 3 - A, 4 - C
4. 1 - A, 2 - B, 3 - C, 4 - D

Q. Given below are the diagrammatic sketches of some endocrine glands. Observe the diagrams and answer the following questions: [5 MARKS]


(a) Label the parts numbered 1 to 5.
(b) Name the hormones secreted by 2 and 5.
(c) Which chemicals in our body are greatly affected by hormones?
(d) What is the chemical nature of hormones?
(e) Name the elements related to the functioning of hormones secreted by the structures 2 and 5.