Answer-Top 5 MCQs on Obstetrics

Answer-Top 5 MCQs on Obstetrics You Must Know Today

Here are the answers along with explanations and additional points for each question:

Questions on Obstetrics are here in this link.

Table of Contents (toc)

1. Answer: 

C) Oxytocin

   Explanation: 

• Oxytocin is the hormone responsible for stimulating uterine contractions during labor.
  
  
• Produced by the hypothalamus and released by the posterior pituitary gland, oxytocin plays a crucial role in initiating and regulating the rhythmic contractions of the uterus. 
  
  
• These contractions are essential for the progression of labor and the eventual birth of the baby. 

• Oxytocin also plays a significant role in promoting bonding between the mother and her baby, as it is released during breastfeeding and skin-to-skin contact.

2. Answer: 

C) 40 weeks

   Explanation: 

• A full-term pregnancy typically lasts around 40 weeks, calculated from the first day of the last menstrual period (LMP). 
  
  
• However, it's important to note that a normal pregnancy duration can range from 37 to 42 weeks. 
  
  
• Babies born between 37 and 42 weeks are considered full-term and have the best chances of healthy development. 
  
  
• Babies born before 37 weeks are considered preterm, while those born after 42 weeks are considered post-term.

3. Answer: 

B) Breech presentation

   Explanation: 

• Breech presentation occurs when the baby's buttocks or feet are positioned to enter the birth canal first, instead of the head. 
  
  
• This presentation is considered less favorable for vaginal delivery due to the increased risk of complications, such as cord prolapse or head entrapment. 
  
  
• Different types of breech presentations include complete breech (both knees and hips flexed), frank breech (hips flexed with knees extended), and footling breech (one or both feet presenting first).
  
  
• Vaginal delivery for breech presentation requires careful assessment and skilled obstetric care.

4. Answer: 

B) Second stage

   Explanation: 

• The second stage of labor begins after complete cervical dilation and is characterized by the actual birth of the baby. 
  
  
• During this stage, the mother experiences strong urges to push as the baby's head descends through the birth canal and crowns. 
  
  
• This stage can last from a few minutes to a couple of hours. Adequate maternal effort, positioning, and effective coaching are crucial to facilitate a safe and successful delivery. 
  
  
• Following the birth of the baby, the third stage involves the delivery of the placenta.

5. Answer: 

C) To evaluate the baby's physical condition and overall well-being

   Explanation: 

• The Apgar score is a quick assessment tool used to evaluate the newborn's physical condition immediately after birth. It assesses five vital signs: heart rate, respiratory effort, muscle tone, reflexes, and skin color. 
  
  
• Each parameter is scored on a scale from 0 to 2, and the scores are summed to provide an overall Apgar score. 
  
  
• This score helps healthcare providers quickly identify any potential issues that might require immediate intervention.
   
• The Apgar score is usually taken at 1 and 5 minutes after birth. It's important to note that a low Apgar score at 1 minute doesn't necessarily predict long-term outcomes; it's the trend over the first few minutes that is more important in determining the baby's well-being.

Questions on Obstetrics are here in this link.