1.
What structure is number 4 pointing to?
Correct Answer
B. Dorsal aorta
Explanation
Number 4 is pointing to the dorsal aorta. The dorsal aorta is a major blood vessel that carries oxygenated blood from the heart to the rest of the body. It is located on the dorsal side (back side) of the body and is responsible for supplying blood to various organs and tissues.
2.
Number 5 is pointing to what structure?
Correct Answer
subclavian artery
Explanation
The structure that number 5 is pointing to is the subclavian artery.
3.
What structure is number 6?
Correct Answer
A. Posterior cardinal sinus
Explanation
The correct answer is posterior cardinal sinus. The posterior cardinal sinus is a structure found in the embryonic circulatory system. It is part of the venous system and plays a role in the development of the heart. It is located on the posterior side of the embryo and helps to drain deoxygenated blood from the body back into the heart.
4.
what structure is number 7 pointing to?
Correct Answer
coeliac
celiac
Explanation
The correct answer is coeliac, celiac. The question is asking about the structure that number 7 is pointing to. The term "coeliac" and "celiac" are alternative spellings for the same word, which refers to the coeliac or celiac artery. Therefore, both "coeliac" and "celiac" are correct answers to the question.
5.
What structure is number 8 pointing to?
Correct Answer
posterior cardinal veins
Explanation
The structure number 8 is pointing to the posterior cardinal veins.
6.
Number 9 is pointing to what structure?
Correct Answer
anterior mesenteric artery
Explanation
Number 9 is pointing to the anterior mesenteric artery.
7.
What structure is number 11 pointing to?
Correct Answer
C. Posteriormesenteric artery
Explanation
The correct answer is posteriormesenteric artery. The question asks for the structure that number 11 is pointing to. Since the options are different arteries, we can deduce that number 11 is indicating an artery. Among the given options, the posteriormesenteric artery is the only one that matches this description.
8.
what structure is number 13 pointing to?
Correct Answer
iliac artery
Explanation
The structure that number 13 is pointing to is the iliac artery.
9.
What structure is number 8 pointing to?
Correct Answer
coeliac artery
celiac artery
Explanation
The correct answer is celiac artery. The term "coeliac artery" and "celiac artery" are both used interchangeably to refer to the same structure in the human body. This artery is responsible for supplying blood to the abdominal organs such as the stomach, liver, and spleen.
10.
What structure is number 9 pointing to?
Correct Answer
gastric artery and vein
Explanation
Number 9 is pointing to the gastric artery and vein.
11.
What structure is number 10 pointing to?
Correct Answer
pancreaticomesenteric artery and vein
Explanation
Number 10 is pointing to the pancreaticomesenteric artery and vein. These structures are located in the vicinity of the pancreas and mesentery. The pancreaticomesenteric artery supplies blood to the pancreas and mesentery, while the pancreaticomesenteric vein drains blood from these areas.
12.
What structure is number 11 pointing to?
Correct Answer
hepatic artery
Explanation
The structure that number 11 is pointing to is the hepatic artery.
13.
What number is pointing at the hepatic portal vein?
Correct Answer
C. 12
Explanation
The number 12 is pointing at the hepatic portal vein.
14.
What number is pointing at the posterior lienogastric vein?
Correct Answer
A. 14
15.
What number is pointing at the anterior lienogastric vein?
Correct Answer
D. 19
16.
What number is pointing at the posterior intestinal vein?
Correct Answer
B. 16
Explanation
The correct answer is 16 because it is the only number that corresponds to the posterior intestinal vein. The other numbers do not match any specific anatomical structure mentioned in the question.
17.
What number is pointing at the anterior intestinal vein?
Correct Answer
C. 18
Explanation
The number 18 is pointing at the anterior intestinal vein.
18.
What structure is number 17 pointing at?
Correct Answer
lienomesenteric vein