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Endocrine System

Description: 20
Number of Questions: 16
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Tags: 20 Endocrine Glands (Hypothalamus, Pineal, Thyroid, and Parathyroid Glands) Refractive Index Refraction of Light
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Which gland is exocrine as well as endocrine?

  1. Pituitary

  2. Pancreas

  3. Adrenal

  4. Thyroid

  5. Gonads


Correct Option: B
Explanation:

Pancreas is exocrine as well as endocrine gland. It is also known as mixed gland.

Which of the following matches of glands and their nature is incorrect?

  1. Salivary gland - Exocrine gland

  2. Liver - Exocrine gland

  3. Thyroid gland - Endocrine gland

  4. Pancreas - Exocrine gland

  5. Adrenal - Endocrine gland


Correct Option: D
Explanation:

The correct pair is pancreas, which is a heterocrine gland because it serves the purpose of both the endocrine as well as exocrine gland.

Iodine is necessary for the secretion of which hormone?

  1. Thyroxin

  2. Insulin

  3. Vasopressin

  4. Adrenalin

  5. Cortisone


Correct Option: A
Explanation:

Iodine is necessary for the secretion of thyroxin.

Which of the following diseases is caused by the deficiency of calcitonin?

  1. Simple goitre

  2. Cretinism

  3. Dwarfism

  4. Mental redardation

  5. Tetany


Correct Option: E
Explanation:

Deficiency of calcitonin causes tetany.

What is the location of the pituitary gland?

  1. On the either side of the root of trachea.

  2. On the upper pole of each kidney

  3. Slightly below the stomach

  4. In the pelvic cavity

  5. Attached to the hypothalamus of the brain


Correct Option: E
Explanation:

Pituitary gland is attached to the hypothalamus of the brain.

Oxytocin causes contraction of which body organ?

  1. Urethra

  2. Heart

  3. Uterus

  4. Lungs

  5. Ureter


Correct Option: C
Explanation:

Oxytocin causes contraction of uterus.

Which of the following cells secretes glucagon?

  1. The beta cells of islets of langerhans

  2. The alpha cells of islets of langerhans

  3. The beta cells of pancreas

  4. The adrenal cortex

  5. Thyroid gland


Correct Option: B
Explanation:

The alpha cells of islets of langerhans secrete glucagon.

Which gland regulates the basal metabolic rate in the body?

  1. Thyroid

  2. Thymus

  3. Parathyroid

  4. Pancreas

  5. Adrenal


Correct Option: A
Explanation:

Thyroid regulates the basal metabolic rate in the body.

Pancreas is a mixed gland. Which of the following is correct in this respect?

  1. All cells secrete enzymes and hormones.

  2. Enzymes and hormones are secreted by separate cells.

  3. Few cells secrete enzymes.

  4. Most cells secrete hormones.

  5. Few cells secrete enzymes and hormones.


Correct Option: B
Explanation:

This is the correct statement.

Endocrine glands secrete _______ in the _________ in order to regulate life processes.

  1. hormones, heart

  2. enzymes, liver

  3. hormones, blood stream

  4. hormones, liver

  5. enzymes, blood stream


Correct Option: C
Explanation:

Endocrine glands secrete hormones in the blood stream in order to regulate life processes.

__________ system and Endocrine system are very closely related.

  1. Circulatory

  2. Respiratory

  3. Nervous

  4. Excretory

  5. Reproductive


Correct Option: C
Explanation:

Nervous system and endocrine system are very closely related because both need stimuli for their action response.

Which of the following pairs of hormone and related disease is not correct?

  1. Thyroxin : Myxedema

  2. Parathormone : Hypocalcemia

  3. Androgens : Adrenal virilism

  4. Diabetes insipidus : Glucose

  5. Thyroxin : Exophthalmic goitre


Correct Option: D
Explanation:

The correct pair is diabetes insipidus : Water.

Which of the following transports hormones from the endocrine gland to various body parts?

  1. Arteries

  2. Veins

  3. Aorta

  4. Food pipe

  5. Intestine


Correct Option: B
Explanation:

Veins transport hormones from the endocrine gland to various body parts.

Which hormone influences the ossification of bones?

  1. Parathormone

  2. Insulin

  3. Glycogen

  4. Adrenalin

  5. Prolactin


Correct Option: A
Explanation:

Parathormone influences the ossification of bones.

What is the main function of beta cells of pancreas?

  1. To produce adrenaline

  2. To produce prolactin

  3. To produce oxytocin

  4. To produce insulin

  5. To produce calcitonin


Correct Option: D
Explanation:

The main function of beta cells of pancreas is production of insulin.

Which of the following statements is not correct regarding pituitary gland?

  1. Thyroid-stimulating hormone (TSH), is released under the influence of hypothalamic Thyrotropin-releasing hormone (TRH); inhibited by somatostatin.

  2. Adrenocorticotropic hormone (ACTH), is released under the influence of hypothalamic Corticotropin-Releasing Hormone (CRH).

  3. Follicle-stimulating hormone (FSH), is released under the influence of hypothalamus.

  4. Anti-diuretic hormone (ADH, also known as vasopressin and AVP, arginine vasopressin), the majority of which is released from the supraoptic nucleus in the hypothalamus.

  5. Melanocyte–stimulating hormones (MSHs), although this function is often (imprecisely) attributed to the anterior pituitary. These are sometimes called intermedins, as these are released by the pars intermedia.


Correct Option: C
Explanation:

This is incorrect statement. Follicle-stimulating hormone (FSH), is released under the influence of Gonadotropin-Releasing Hormone (GnRH).

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