Laminaria tents are

Appeared in: UPPSC 2017

Explanation

Laminaria tents are mechanical dilators made from the dried stems of seaweed (Laminaria japonica).
They are 'hygroscopic,' meaning they have a strong ability to absorb water from the surrounding cervical tissues.
This absorption causes them to swell (an osmotic effect), exerting slow, gentle, and continuous pressure that gradually dilates the cervix over 12-24 hours.
This method is used to prepare the cervix for procedures like Dilation and Curettage (D&C) or labor induction, reducing the risk of trauma associated with rapid dilation.

Option B: This describes instruments like Hegar or Pratt dilators, which are made of metal and used for rapid, forceful mechanical dilation.
Option C: This describes a surgical drape, which is used to maintain sterility during a procedure and is unrelated to cervical dilation.
Option D: This option is incorrect because the first option, 'Hygroscopic osmotic dilators,' accurately and specifically describes what Laminaria tents are and how they function.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Cervical Dilatation Methods as background academic context rather than a clinical decision trigger.
Laminaria are frequently used in gynecology to prepare the cervix for procedures like D&C, IUD insertion in a stenotic cervix, or induction of labor, as they reduce the risk of cervical trauma.
Nursing care involves patient education about expected cramping, monitoring for signs of infection (fever, discharge), and assessing for spontaneous expulsion of the tent.
Pain management is a key nursing responsibility, as the gradual cervical stretching can be uncomfortable or painful for the patient.

How to Approach the Question

Identify the key term in the question: 'Laminaria tents'.
This is a factual recall question requiring knowledge of gynecological instruments.
Recall the composition and mechanism of Laminaria. They are made from a natural material (seaweed) that changes when placed in the body.
Analyze the options based on this knowledge. 'Hygroscopic' means water-absorbing, and 'osmotic' relates to the pressure created by this water absorption, leading to dilation. This perfectly matches the function of seaweed swelling with moisture.
Eliminate the other options. 'Rod shaped steel dilators' are a different category of instrument (e.g., Hegar). 'A cloth' is clearly incorrect (a surgical drape).
Conclude that 'Hygroscopic osmotic dilators' is the most precise and accurate description.

Concept Tested & Keywords

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E6 Gynecology Williams p. 99-127

Practise the full UPPSC 2017

Attempt every question from this paper in a timed mock, then review the full solution for each one.