Which of the following statement is correct in relation to the endocrine system?
Adenohypophysis is under direct neural regulation of the hypothalamus
Organs in the body like gastrointestinal tract, heart, kidney and liver do not produce any hormones
Non- nutrient chemicals produced by the body in trace amount that act as intercellular messenger are known as hormones
Releasing and inhibitory hormones are produced by the pituitary gland
Select the answer which correctly matches the endocrine gland with the hormone it secretes and its function/deficiency symptom
Endocrine gland | Hormone | Function/ deficiency symptoms |
Anterior pituitary | Oxytocin | Stimulates uterus contraction during child birth |
Posterior pituitary | Growth Hormone (GH) | Oversecretion stimulates abnormal growth |
Thyroid gland | Thyroxine | Lack of iodine in diet results in goitre |
Corpus luteum | Testosterone | Stimulates spermatogenesis |
Which of the following pituitary hormones is secreted without the involvement of a Releasing Hormone (RH)?
Thyroid Stimulating Hormone (TSH)
Follicle Stimulating Hormone (FSH)
Oxytocin
Prolactin
Which of the following hormones is a derivative of fatty acid?
Gastrin
Thyroxin
Estrogen
Prostaglandins
Cells die at the time of release of secretory materials in
holocrine gland
apocrine gland
merocrine gland
mixed or apocrine gland
A.
holocrine gland
Halocrine gland is a type of exocrine gland, the secretions of halocrine gland are produced in the cytoplasm of the cell and released by the rupture of the plasma membrane, which destroy the cell and results in the secretion of the product into the lumen. Halocrine secretion is the most damaging type of secretion.
Which one of the following is called intra-specific chemical messenger?
Pheromones
Prostaglandins
Corticotrophin
Catecholamines
Which one of the following secretes glucagon?
Beta () cells of islets of Langerhans
Alpha () cells of islets of Langerhans
Acidophilic cells of adenohypophysis
Basophilic cells of adenohypophysis
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