BHU NO-2019
Applied Anatomy
Easy
In human body pituitary gland is situated in?
Appeared in: BHU NO-2019
Explanation
- The pituitary gland, or hypophysis, is a small endocrine gland located at the base of the brain.
- It rests in a bony cavity called the sella turcica, which is part of the sphenoid bone.
- The pituitary is connected to the hypothalamus above it by a structure called the pituitary stalk or infundibulum.
- Due to its role in controlling most other endocrine glands, it is often referred to as the 'master gland'.
Why Other Options Were Wrong
- Option A: The abdomen contains several vital organs and endocrine glands, but the pituitary gland is not one of them.
- Option C: The kidneys are part of the urinary system. While the adrenal glands sit on top of the kidneys, the pituitary gland is located in the head.
- Option D: The neck contains important endocrine glands, but the pituitary gland is not located there.
Related Visual
Clinical Relevance
- Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Anatomical location of the pituitary gland as background academic context rather than a clinical decision trigger.
- Understanding the pituitary's location is crucial because tumors (adenomas) in this area can compress surrounding structures, such as the optic chiasm, leading to specific visual field defects (bitemporal hemianopia).
- Its protected position within the sella turcica makes it surgically accessible through the nose (transsphenoidal surgery), a common procedure for removing pituitary tumors.
- What if? If a patient presents with unexplained headaches and peripheral vision loss, a nurse should recognize these as potential signs of a pituitary mass. The priority would be to report these findings and prepare the patient for neurological and endocrinological evaluation, including an MRI of the brain.
How to Approach the Question
- This is a factual recall question from anatomy and physiology.
- First, identify the key term in the question: 'pituitary gland'.
- Recall or visualize the location of the major endocrine glands in the human body.
- The pituitary gland is known as the 'master gland' and is located in the head, controlling others.
- Evaluate the options: 'Abdomen', 'Brain', 'Kidney', 'Neck'.
- Based on anatomical knowledge, the pituitary gland is situated at the base of the brain. Therefore, 'Brain' is the correct answer.
Concept Tested & Keywords
- Concept Tested: Anatomical location of the pituitary gland
- Stem keywords: pituitary gland, situated in, human body
- Lead-in keywords: BEST, MOST RELEVANT CLUE
- Negative lead-in flag: false
Question ID
QlF46jnYhoFZNad0wUw2B2
Reference Book
E6 Anatomy Applied Ashalatha 4e p. 214-216
E6 Robert Boland, Marcia L. Verduin - Kaplan and Sadock's Comprehensive Text of Psychiatry-Wolters Kluwer Health (2024) (pp 1-16525 of 16525) p. 2311-2313
E6 Physiology Essentials Sembulingam 10e Part 2 p. 23-25
Practise the full BHU NO-2019
Attempt every question from this paper in a timed mock, then review the full solution for each one.
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