MAC Pediatric & Obstetric Anesthesia

Question 1

What is the most common cause of cardiac arrest in pediatric patients under general anesthesia?

Accepted Answer

Laryngospasm leading to hypoxia

Answer

Malignant hyperthermia

Answer

Induction drug overdose

Answer

Air embolism

Question 2

What formula is used to estimate uncuffed endotracheal tube size (internal diameter) in pediatric patients?

Accepted Answer

Age/4 + 4

Answer

Age/4 + 3.5

Answer

Weight/10 + 2

Answer

Age/3 + 3

Question 3

At what gestational age are nociceptive pathways sufficiently developed for fetal pain response?

Accepted Answer

24 weeks

Answer

12 weeks

Answer

18 weeks

Answer

30 weeks

Question 4

Which induction method is preferred for a pediatric patient with a full stomach requiring emergency surgery?

Accepted Answer

Rapid sequence induction with succinylcholine

Answer

Propofol slow titration induction

Answer

Inhalational induction with sevoflurane

Answer

Ketamine IM injection

Question 5

Which anatomical difference in infant airways compared to adults most affects laryngoscopy?

Accepted Answer

The infant larynx is positioned more anteriorly and cephalad

Answer

The infant trachea is wider in proportion

Answer

Infants have larger vocal cords

Answer

The infant epiglottis is shorter and less floppy

Question 6

What reduction in MAC occurs in pregnant patients compared to non-pregnant patients?

Accepted Answer

30-40%

Answer

10%

Answer

20%

Answer

50%