Chemical Coordination and Integration Test 40

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Chemical Coordination and Integration Test 40

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Question 1
1 / -0

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

A
Glucagon

B
Thyroxine

C
Insulin

D
Adrenaline

Solution

A. Glucagon - The pancreas releases glucagon when the concentration of insulin (and indirectly glucose) in the bloodstream falls too low. Glucagon causes the liver to convert stored glycogen into glucose, which is released into the bloodstream. High blood glucose levels, on the other hand, stimulate the release of insulin.

B. Thyroxine - It plays vital roles in digestion, heart and muscle function, brain development and maintenance of bones.

C.Insulin - It plays vital roles in digestion, heart and muscle function, brain development and maintenance of bones.

D.Adrenaline - hormone increasing the heart rate, increasing blood pressure, expanding the air passages of the lungs, enlarging the pupil in the eye (see photo), redistributing blood to the muscles and altering the body's metabolism, so as to maximize blood glucose levels (primarily for the brain).
So, the correct option is ‘Glucagon’.
Question 2
1 / -0

Sympathetic division is differentiated from parasympathetic division in all except:

A
Stimulate adrenal medulla

B
Preganglionic is smaller than post ganglionic nerve fiber

C
Always excitatory in nature

D
Has paired chain of ganglia
Question 3
1 / -0

Which of the following hormone is secreted by corticotrophs in humans?

A
ACTH

B
MSH

C
PRL

D
Both A and B

Solution

Corticotrophs are present in the anterior pituitary and secrete 3 hormones, namely ACTH (adrenocorticotropic hormone), MSH (melanocyte-stimulating hormone) and lipotropin. ACTH produces and releases cortisol by the cortex of the adrenal gland. MSH regulates the function of the melanocyte.
Thus, the correct answer is 'Both A and B.'
Question 4
1 / -0

Pituitary gland is lodged in a bony cavity of which skull bone?

A
Temporal

B
Occipital

C
Sphenoid

D
Parietal

Solution

Pituitary gland is lodged in a bony cavity of the sphenoid bone of the skull.
So, the correct answer is C.
Question 5
1 / -0

Which of the following is correct regarding the given diagram?

A
Oxytoxin and vasopressin are synthesized by B.

B
Melatonin are synthesized by A.

C
A is neurohypophysis and B is adenohypophysis.

D
GnRH is released in C.
Question 6
1 / -0

(A) Every receptor is unique for a hormone
(B) Every hormone is unique for a receptor.

A
Both true

B
Both false

C
A true B false

D
B true B false

Solution

In the human body, every receptor is specific for a hormone and every hormone is specific for a receptor.
So, the correct option is ‘Both true’.
Question 7
1 / -0

Choose the correct answer from the alternatives given.
Which of the following is not a means by which oxygen and/or carbon dioxide are transported in the bloodstream of vertebrates?

A
As oxyhaemoglobin

B
As hydrogencarbonate ions

C
In solution in the plasma

D
Erythropoietin

Solution

Carbon dioxide is transported in the blood from the tissue to the lungs in three ways: (i) dissolved in solution in the plasma; (ii) buffered with bicarbonate (i.e as hydrogen carbonate ions) and (iii) bound to proteins, particularly hemoglobin. So, the correct option is 'Erythropoietin'.
Question 8
1 / -0

Which of the following hormones is a steroid?

A
Prostaglandin

B
Estrogen

C
Thyroxine

D
Adrenaline

Solution

A steroid hormone is a steroid that acts as a hormone. Steroid hormones can be grouped into two classes : Corticosteroids and sex steroids. Within those two classes are the five types according to the receptors to which they bind : glucocorticoid, mineralocorticoids, androgens, estorgens and progesterone.
So the correct option is "Estrogen".
Question 9
1 / -0

Choose the correct answer from the alternatives given.
The swelling in any part of our body, caused by infiltration of serum into subcutaneous cellular tissue, is called

A
dropsy

B
oedema

C
abscess

D
atheroma

Solution

Edema is an abnormal accumulation of fluid in the interstitium, located beneath the skin and in the cavities of the body, which can cause severe pain. Clinically, edema manifests as swelling. The amount of interstitial fluids is determined by the balance of fluid homeostasis; and the increased secretion of fluid into the interstitium, or the impaired removal of the fluid, can cause the condition.
So, the correct option is 'Oedema'.
Question 10
1 / -0

Which of the following disease results from endocrine disorder?

A
Goitre

B
Jaundice

C
Typhoid

D
Pneumonia

Solution

(A) Goiter is the enlargement of the thyroid gland. A goiter is associated with the thyroid which is not functioning properly.
(B) Jaundice is a yellowish pigmentation of the skin.
(C) Typhoid is a bacterial infection that spreads through contaminated water and food.
(D) Pneumonia is an inflammatory condition of lung affecting primarily the small air sacs known as alveoli.
So the correct option is goiter.

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Chemical Coordination and Integration Test 40

Result

Chemical Coordination and Integration Test 40

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SHARING IS CARING

Question 1

Glucagon

Thyroxine

Insulin

Adrenaline

Solution

Question 2

Stimulate adrenal medulla

Preganglionic is smaller than post ganglionic nerve fiber

Always excitatory in nature

Has paired chain of ganglia

Question 3

ACTH

MSH

PRL

Both A and B

Solution

Question 4

Temporal

Occipital

Sphenoid

Parietal

Solution

Question 5

Oxytoxin and vasopressin are synthesized by B.

Melatonin are synthesized by A.

A is neurohypophysis and B is adenohypophysis.

GnRH is released in C.

Question 6

Both true

Both false

A true B false

B true B false

Solution

Question 7

As oxyhaemoglobin

As hydrogencarbonate ions

In solution in the plasma

Erythropoietin

Solution

Question 8

Prostaglandin

Estrogen

Thyroxine

Adrenaline

Solution

Question 9

dropsy

oedema

abscess

atheroma

Solution

Question 10

Goitre

Jaundice

Typhoid

Pneumonia

Solution

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