Chemical and Nervous Coordination
Covers endocrine glands, hormones, nervous system structure, and sensory mechanisms in body coordination and integration
Questions
Starting from the top and moving towards the bottom, which of the following is the correct sequence of glands in a human body?
- Pituitary gland, Thyroid gland, Thymus gland, Pancreas, Adrenal gland
- Pituitary gland, Thyroid gland, Thymus gland, Adrenal gland, Pancreas
- Pituitary gland, Thymus gland, Thyroid gland, Adrenal gland, Pancreas
- Thyroid gland, Pituitary gland, Thymus gland, Pancreas, Adrenal gland
- Pancreas, Thyroid gland, Thymus gland, Adrenal gland, Pituitary gland
Which of the following statements regarding pituitary gland is incorrect?
- It is divided anatomically into an adenohypophysis and a neurohypophysis.
- The pars distalis region of the pituitary, produces many hormones.
- Adenohypophysis consists of two portions, pars distalis and pars intermedia.
- Melanocyte and prolactin are secreted by Pars intermedia.
- The pars distalis region of the pituitary is commonly called the anterior pituitary.
Which of the following statements is/are incorrect about hormones?
(a) They are the secretion of the endocrine glands.
(b) They are nutrient chemicals.
(c) They are intercellular messengers.
(d) They are produced in sufficient amount.
- a and b
- b and d
- c and d
- a, b and d
- a, b and c
Which of the following glands is situated in the bony cavity called sella tursica?
- Thymus gland
- Pineal gland
- Pituitary gland
- Thyroid gland
- Adrenal gland
Over secretion of ________ stimulates abnormal growth of the body leading to gigantism.
- PRL
- FSH
- LH
- GH
- TH
Which of the following abbreviations does not match correctly with its full form?
- TSH - Tear Sac Hormone
- ACTH - Adrenocorticotrophic Hormone
- LH - Luteinizing Hormone
- FSH - Follicle Stimulating Hormone
- PRL - Prolactin
What are the hormones secreted by adrenal medulla commonly called?
- Corticoids
- Catecholamines
- Adrenaline
- Glucocorticoids
- Aldosterone
Which of the following is a pair of peptide hormones?
- Glucagon and insulin
- Testosterone and progesterone
- Ghrelin and orexin
- Thyroid stimulating hormone and growth hormone
- None of these
Based on the number of axon and dendrites, the neurons are not divided into which of the following types?
- Unipolar
- Tripolar
- Multipolar
- Bipolar
- None of these
Which of the following hormones are matched correctly with their functions?
| 1. MSH | a. Regulates pigmentation |
| 2.Vasopressin | b. Stimulates resorption of water |
| 3. Oxytocin | c. Regulates the ryhthm of our body |
- 1, 2 and 3
- 2 and 3
- 1 and 2
- Only 2
- Only 3
Which of the following statements regarding aldosterone is/ are correct?
(a) They stimulate reabsorption of Na+.
(c) They stimulate reabsorption of phosphate ion.
(d) They stimulate the excretion of K.
- a, b, and c
- a, b and d
- b and d
- a and b
- b and c
_____________ transmits impulses from tissues/organs to the CNS.
- Afferent fiber
- Efferent fiber
- Somatic nervous sytem
- Autonomic nervous system
- Dendrites
Which of the following body parts is responsible for the maintenance of body balance?
- Legs
- Feet
- Ears
- Eyes
- Head
In the human eye, cones possess their own characteristic photopigments that respond to a group of colours. Which of the following groups of colours represent the same?
- Red, green and white
- White, yellow and red
- Green, red and blue
- Red, blue and white
- Green, blue and black
Which of the following statements is/are incorrect regarding 'Islets of Langerhans'?
(a) The exocrine pancreas consists of 'Islet of langerhans'.
(b) There are about 1 to 2 million Islets of Langerhans in a normal human pancreas.
(c) The two main types of cells in the Islet of Langerhans are called α-cells and β-cells.
(d) The α-cells secrete a hormone called insulin, while the β-cells secrete glucagon.
- a, b, and d
- b, c, and d
- only d
- only a
- a and d