Secondary and Higher Education

Where is the pituitary gland located? Enlist the hormones secreted by anterior pituitary.

by

The pituitary gland is connected to the ventral surface of the brain, adjacent to the hypothalamus. The hormones secreted by anterior pituitary: 1. Growth Hormone (GH): Stimulates growth. Function: 1. Growth hormone maintains body structure, metabolism, and supports brain and organ tissue health. 2. Widely used in medicine for treating growth disorders in children and … Read more

An adult patient surffers from low heart rate, low metabolic rate and low body temperature. He also lacks alertness, intelligence and initiative. What can be this disease? What can be its cause and care?

by

1. Myxedema is the illness associated with this individual, characterized by a swollen look and diminished alertness. 2. It stems from thyroid gland malfunction, a consequence of severe hypothyroidism or insufficient thyroxine hormone. 3. The condition results in a puffy appearance and reduced alertness in affected patients.

State the site of production and function of Secretin, Gastrin and Cholecystokinin.

by

site of production : secretin, Gastrin, cholecystokinin. Functions: Secretin: Promotes the release of pancreatic juice from the pancreas and bile from the liver. Gastrin: Promotes the secretion of gastric juice from gastric glands. Cholecystokinin: Encourages the pancreas and gall bladder to release pancreatic enzymes and bile, respectively.  

List the properties of the nerve fibres.

by

Excitability : Increased responsiveness or irritability characterizes the heightened sensitivity of an organ or body part, reflecting its heightened reactivity to stimulation. Conductivity: Conductivity refers to how easily electric charge or heat can move through a substance. A conductor is a material that offers minimal resistance to the flow of electric current or thermal energy. … Read more

While holding a tea cup Mr. Kothari’s hands rattle. Which disorder he may be suffering from and what is the reason for this?

by

1. Parkinson’s disease causes this condition. 2. It results from the degeneration of dopamine-producing neurons in the central nervous system. 3. 80% of patients experience this condition alongside stiffness, walking difficulties, and challenges in balance and coordination.

Distinguish between the sympathetic and parasympathetic nervous system on the basis of the effect they have on: a. Heart beat b. Urinary Bladder

by

Heart beat: The sympathetic nervous system speeds up the heart rate, while the parasympathetic nervous system slows it down. Urinary bladder: The sympathetic nervous system suppresses bladder contractions, while the parasympathetic nervous system promotes bladder contraction.

Give reason – Injury to medulla oblongata may prove fatal.

by

1. The medulla oblongata regulates involuntary bodily functions. 2. Essential activities like heartbeats, respiration, vasomotor functions, and peristalsis are governed by the medulla oblongata. 3. Injury to the medulla oblongata results in an immediate cessation of these vital functions. 4. Consequently, damage to the medulla oblongata can lead to abrupt cessation of life.

Rakesh got hurt on his head when he fell down from his motorbike. Which inner membranes must have protected his brain? What other roles do they have to play?

by

1. Rakesh’s fall from the motorbike involved the protective brain membranes: dura mater, arachnoid membrane, and pia mater, shielding against injury. 2. The cerebrospinal fluid (CSF) also served as a shock absorber during the accident, enhancing protective measures.