What would not take place if chromaffin cells of adrenal medulla

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 Multiple Choice QuestionsMultiple Choice Questions

231.

Cells die at the time of release of secretory materials in

  • holocrine gland

  • apocrine gland

  • merocrine gland

  • mixed or apocrine gland


232.

Melatonin is produced from

  • pineal gland

  • adrenal gland

  • parathyroid gland

  • ovary


233.

Zymogenic cells of gastric gland secrete

  • pepsinogen

  • trypsin

  • pepsin

  • chymotrypsin


234.

Which one of the following is called intra-specific chemical messenger?

  • Pheromones

  • Prostaglandins

  • Corticotrophin

  • Catecholamines


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235.

Which one of the following secretes glucagon?

  • Beta (β) cells of islets of Langerhans

  • Alpha (α) cells of islets of Langerhans

  • Acidophilic cells of adenohypophysis

  • Basophilic cells of adenohypophysis


236.

Which one of the following enzymes is responsible for the conversion of norepinephrine to epinephrine?

  • Catecholamine-O-methyltransferase

  • Phenylalanine-N-methyltransferase

  • DOPA decarboxylase

  • Monoamine oxidase


237.

The hormone that stimulates the release of pancreatic juice is

  • secretin

  • glucagon

  • inhibin

  • insulin


238.

Match the following Columns.
Column I Column II
A. Hyperthyroidism 1. Myxedema
B. Hyposecretion of glucocorticoids 2. Addison's disease
C. Hypothyroidism- I 3. Increased metabolic rate
D. Hyperparathyroidism

4. Cushing's syndrome

5. Kidney stone

  • A- 3; B- 2; C- 1; D- 5

  • A- 3; B- 4; C- 1; D- 2

  • A- 1; B- 4; C- 3; D- 2

  • A- 1; B- 2; C- 3; D- 5


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239.

What would not take place if chromaffin cells of adrenal medulla undergoes oncogenesis?

  • High blood sugar and glucosuria

  • High BMR

  • Pheochromocytomas

  • Low blood pressure


D.

Low blood pressure

Chromaffin cells of adrenal medulla are responsible for secreting epinephrine and norepinephrine. Their tumour will lead to hypersecretion of epinephrine causing high blood pressure, high blood sugar levels, glycosuria, high BMR, nervousness and sweating and pheochromocytomas.


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240.

Glands in a vertebrate body originate from

  • ectoderm, mesoderm and endoderm

  • ectoderm and endoderm

  • mesoderm

  • ectoderm


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