Chemical Coordination and Integration Test 7

Result

Chemical Coordination and Integration Test 7

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Weekly Quiz Competition

Question 1
1 / -0

Match the hormone with its source of secretion.

A
A-2, B-1, C-4, D-6, E-3

B
A-1, B-6, C-4, D-3, E-5

C
A-5, B-1, C-4, D-3, E-6

D
A-4, B-1, C-6, D-2, E-3

Solution

a. Somatostatin is secreted from delta cells of islets of Langerhans of pancreas. It inhibits the release of glucagon and insulin from alpha and beta cells respectively.
b. Melatonin is secreted from pineal gland and maintains circadian rhythm of body.
c. Aldosterone is a mineralocorticoid secreted from adrenal cortex. It maintains electrolyte balance in the body.
d. Progesterone is secreted from corpus luteum. It maintains endometrium of uterus which is important for implantation.
e. HCG is secreted from placenta and maintains corpus luteum.
Question 2
1 / -0

Match the source gland with its respective hormone and function and select the correct option.

A

B

C

D
Question 3
1 / -0

The endocrine part of pancreas is

A
Hepatic lobules

B
Centroacinar cells

C
Islets of Langerhans

D
Serosa

Solution

The endocrine component of pancreas consist of islet of Langerhans that create and release important hormones directly into bloodstream. Two of the main pancreatic hormones are insulin , which acts to lower blood sugar and glucagon which acts to raise blood sugar level.
Question 4
1 / -0

The ‘islets of Langerhans’ are found in

A
Alimentary canal

B
Stomach

C
Liver

D
Pancreas
Question 5
1 / -0

Which of the following is not paired correctly?

A
Parathyroid – Tetany

B
Insulin – Raise blood glucose

C
Grave’s disease – Exophthalmos

D
Cretinism – Mentally retarded

Solution

Myxoedema also known as hypothyroidism is caused because of disorder of thyroid gland, It is characterized by swelling of the hands, face, feet.
Insulin is a peptide hormone produced by beta cells of the pancreas and maintains the blood glucose level and not raises it.
Hypoparathyroidism has decreased the function of the parathyroid glands with underproduction of parathyroid hormone. This can lead to low levels of calcium in the blood, often causing cramping and twitching of muscles or tetany (involuntary muscle contraction).
Cretinism is a condition of severely stunted physical and mental growth due to untreated congenital deficiency of thyroid hormone (hypothyroidism). Hence, option B is the correct answer.