Chapter: Chemical Coordination and Integration

Match the following columns and select the correct option from the codes given below.
Column I                                                 Column II
A. Pituitary hormone                              1. Steroid
B. Epinephrine                                        2. Neuropeptides
C. Endorphins                                         3. Peptides, proteins
D. Cortisol                                                4. Biogenic amines

Hormones stored and released from neurohypophysis are

GnRH, a hypothalamic hormone, needed in reproduction, acts on

Hypersecretion of growth hormone in adults does not cause further increase in height because

The amino acid, tryptophan is the precursor for the synthesis of

Which of the following pairs of hormones are not antagonistic (having opposite effects) to eachother?

Name a peptide hormone which acts mainly on hepatocytes, adipocytes and enhances cellular glucose uptake and utilisation.

Which one of the following hormones is not involved in sugar metabolism?

Which one of the following hormones though synthesised elsewhere, is stored and released by the master gland?

Identify the hormone with its correct matching of source and function.

A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neurohormonal control system?

Which one of the following pairs of hormones are the examples of those that can easily pass through the cell membrane of the target cell and bind to a receptor inside it (mostly in the nucleus)?

What is correct to say about the hormone action in humans?

Which one of the following pairs is incorrectly matched?

Foetal ejection reflex in human female is induced by

The blood calcium level is lowered by the deficiency of

In human adult females, oxytocin

Feeling the tremors of an earthquake a scared resident of seventh floor of a multistoryed building starts climbing down the stairs rapidly. Which hormone initiated this action?

In the human female, menstruation can be deferred by the administration of

Compared to a bull a bullock is docile because of

Withdrawl of which of the following hormones is the immediate cause of menstruation?

Which hormone causes dilation of blood vessels, increased oxygen consumption and glucogenesis?

Sertoli cells are regulated by the pituitary hormone known as

A steroid hormone which regulates glucose metabolism is

Chemically hormones are

Which of the following hormones is not a secretion product of human placenta?

Which one of the following hormones is a modified amino acid?

Mainly which type of hormones control the menstrual cycle in human beings?

When both ovaries are removed from rat which hormone is decreased in blood?

Melanin protects from

Adrenaline directly affects

Which steroid is used for transformation?

Secretion of progesterone by corpus luteum is initiated by

Hormones thyroxine, adrenaline and the pigment melanin are formed from

Which one of the following hormones stimulates the ‘let down’ (release) of milk from the mother’s breasts when the baby is sucking?

ADH or vasopressin is

Insulin is

Addition of a trace of thyroxine or iodine in water containing tadpoles will

Which hormone possesses anti -insulin effect?

Match the following columns and select the correct option.
Column I                                           Column II
A. Pituitary gland                              1. Grave’s disease
B. Thyroid gland                                2. Diabetes mellitus
C. Adrenal gland                               3. Diabetes insipidus
D. Pancreas                                        4. Addison’s disease

Select the correct statement.

Which of the following conditions will stimulate parathyroid gland to release parathyroid hormone?

Which of the following glucose transporters is insulin-dependent?

Artificial light, extended work-time and reduced sleep-time disrupt the activity of

Which of the following hormones can play a significant role in osteoporosis?

Which of the following structures or regions is incorrectly paired with its function?

The posterior pituitary gland is not a ‘true’ endocrine gland because

Fight or flight reactions cause activation of

Which of the following statement is correct in relation to the endocrine system?

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
(P) Anterior pituitary           Oxytocin                                   Stimulates uterus contraction during child birth
(Q) Posterior pituitary         Growth Hormone (GH)           Oversecretion stimulates abnormal growth
(R) Thyroid gland                 Thyroxine                                   Lack of iodine in diet results in goitre
(S) Corpus luteum                Testoster one                               Stimulates spermatogenesis

Match the source gland with its respective hormone as well as the function.
 Source gland                      Hormone                                            Function
(P) Posterior pituitary             Vasopressin                     Stimulates resorption of
.                                                                                            water in the distal tubules in the nephron
(Q) Corpus luteum                     Oestrogen                         Supports pregnancy
(R) Thyroid                                    Thyroxine                     Regulates blood calcium level
(S) Anterior pituitary                  Oxytocin                         Contraction of uterus muscles during child birth

Given ahead is an incomplete table about certain hormones, their source glands and one major effect of each on the body in humans.
Gland                                       Secretion                                  Effect on body
A                                                Oestrogen                      Maintenance of secondary sexual characters
Alpha cells of islets of                 B                               Raises blood sugar level
Langerhans
Anterior pituitary                        C                               Over secretion leads to gigantism

Identify the correct option for the three blanks A, B and C.
  A                      B                        C
(P) Placenta         Insulin             Vasopressin
(Q) Ovary             Insulin             Calcitonin
(R) Placenta        Glucagon          Calcitonin
(S) Ovary             Glucagon          Growth hormone

Which one of the following pairs of organs includes only the endocrine glands?

A person is having problems with calcium and phosphorus metabolism in his body. Which one of the following glands may not be functioning properly?

Which of the following is an accumulation and release centre of neurohormones?

Melatonin is secreted by

Melanocyte Stimulating Hormone (MSH) is produced by

A common scent-producing gland among mammals is

The gonadotropic hormones are produced by

The hormone which regulates the basal metabolism in our body is secreted from

Occurrence of Leydig’s cells and their secretion is

Which of the following endocrine gland stores its secretion in the extracellular space before discharging into the blood?

MSH of pars intermedia of middle pituitary is responsible for

Erythropoietin hormone which stimulates RBC formation is produced by

Match the following hormones with the respective disease.
A. Insulin                               (i) Addison’s disease
B. Thyroxin                           (ii) Diabetes insipidus
C. Corticoids                         (iii) Acromegaly
D. Growth hormone         (iv) Goitre
.                                             (v) Diabetes mellitus

Graves’ disease is caused due to

A pregnant female delivers a baby, who suffers from stunted growth, mental retardation low intelligence quotient and abnormal skin. This is the result of

Toxic agents present in food which interfere with thyroxin synthesis lead to the development of

A health disorder that results from the deficiency of thyroxin in adults and characterised by
I. a low metabolic rate
II. increase in body weight
III. tendency to retain water in tissues is

Which one of the following pairs correctly matches a hormone with a disease resulting from its deficiency?

Acromegaly is caused by

Diabetes is due to

Which of the following radioactive isotope is used in the detection of thyroid cancer?

Identify A, Band C in the diagrammatic representation of the mechanism of hormone action.Select the correct option from the following

How does steroid hormone influence the cellular activities?

According to the accepted concept of hormone action, if receptor molecules are removed from target organs, then the target organ will