PATHOLOGY

PATHOLOGY MCQ

HEART

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Mammals and birds Heart consist of ____
A
2 Atria & 2 ventricles
B
2 atria & 1 ventricle
C
1 atrium & 1 ventricle
D
None of the above
Explanation: 

Detailed explanation-1: -Bird and mammal hearts have four chambers (two atria and two ventricles). A frog, which is an amphibian, has a heart with three chambers (one ventricle and two atria), and fish hearts have two chambers (one atrium and one ventricle).

Detailed explanation-2: -The crocodilian heart is completely divided into two atria and two ventricles, resembling the arrangement in birds and mammals.

Detailed explanation-3: -Amphibians have 3 heart chambers: 2 atria and 1 ventricle. Their heart anatomy, histology, and physiology are reviewed. The basic morphology of the heart is similar in all amphibians with some differences due to their lifestyle.

There is 1 question to complete.