Fetuses with Androgen Insensitivity Syndrome (AIS)have An​

question 44

Multiple Choice

Fetuses with androgen insensitivity syndrome (AIS) have an​ 

• A)XY genotype and normal, descended testes. 
• B)XY genotype and abnormal undescended testes. 
• C)XX genotype and normal (yet undescended) testes. 
• D)XYY genotype and normal, descended testes.

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Definitions:

Pacemaker

A device or biological mechanism that sets the pace or rhythm for certain processes, especially the heart's rhythm.

AV Node

The atrioventricular node, a crucial part of the heart's electrical conduction system, controlling the heart rate by delaying the transmission of electrical impulses from the atria to the ventricles.

Interventricular Septum

The thick wall separating the lower chambers (ventricles) of the heart, preventing the mixing of oxygenated and deoxygenated blood.

AV Bundle

The bundle of His, a collection of heart muscle cells specialized for electrical conduction that transmits the electrical impulses from the AV node to the point of the apex of the fascicular branches.