Thyroid gland part 2 Flashcards
The lateral area of the posterior surface of the left suprarenal gland is related to:
A) Diaphragm’s left crus
B) Kidney
C) Inferior phrenic artery
D) Coeliac ganglion
Answer: B) Kidney
Which part of the suprarenal gland is responsible for producing adrenaline and noradrenaline?
A) Cortex
B) Medulla
C) Hilum
D) Capsule
Answer: B) Medulla
The medial area of the posterior surface of the left suprarenal gland is related to:
A) Diaphragm’s left crus
B) Pancreas
C) Inferior vena cava
D) Hepatic artery
Answer: A) Diaphragm’s left crus
The medial border of the left suprarenal gland is related to all of the following except:
A) Coeliac ganglion
B) Inferior phrenic artery
C) Left gastric artery
D) Splenic artery
Answer: D) Splenic artery
The chromaffin cells of the suprarenal medulla synthesize and expel:
A) Thyroxine
B) Cortisol
C) Noradrenaline and adrenaline
D) Insulin and glucagon
Answer: C) Noradrenaline and adrenaline
The superior suprarenal artery arises from which vessel?
A) Abdominal aorta
B) Renal artery
C) Inferior phrenic artery
D) Inferior vena cava
Answer: C) Inferior phrenic arter
The inferior suprarenal artery is a branch of:
A) Inferior phrenic artery
B) Renal artery
C) Superior mesenteric artery
D) Celiac trunk
Answer: B) Renal artery
The middle suprarenal artery originates from:
A) Inferior phrenic artery
B) Renal artery
C) Abdominal aorta
D) Inferior vena cava
Answer: C) Abdominal aorta
The right suprarenal vein drains into the:
A) Renal vein
B) Inferior vena cava
C) Left brachiocephalic vein
D) Portal vein
Answer: B) Inferior vena cava
The left suprarenal vein drains into the:
A) Inferior vena cava
B) Right atrium
C) Renal vein
D) Portal vein
Answer: C) Renal vein
Suprarenal lymph vessels primarily drain into:
A) Preaortic lymph nodes
B) Lateral aortic lymph nodes
C) Thoracic duct
D) Axillary lymph nodes
Answer: B) Lateral aortic lymph nodes
Myelinated preganglionic sympathetic fibers supply which part of the suprarenal gland?
A) Cortex
B) Medulla
C) Capsule
D) Hilum
Answer: B) Medulla
The cortex of the suprarenal gland is regulated by:
A) ACTH
B) TSH
C) Noradrenaline
D) Vagus nerve
Answer: A) ACTH
The thymus is one of two primary lymphoid organs. What is the other?
A) Spleen
B) Bone marrow
C) Lymph nodes
D) Peyer’s patches
Answer: B) Bone marrow
What is the main function of the thymus?
A) Filter lymph
B) Produce B lymphocytes
C) Provide T lymphocytes to the whole body
D) Store iron
Answer: C) Provide T lymphocytes to the whole body
The thymus is largest in which age group?
A) Infants
B) Up to 15 years
C) Adults
D) Elderly individuals
Answer: B) Up to 15 years
The thymus changes color with age. How does it appear in early life?
A) Yellow
B) Grey
C) Deep red
D) Blue
Answer: C) Deep red
The thymus is located in which mediastinal regions?
A) Posterior and superior
B) Superior and anterior inferior
C) Middle and superior
D) Anterior inferior and posterior
Answer: B) Superior and anterior inferior
Which structure is anterior to the thymus?
A) Pericardium
B) Aortic arch
C) Sternum
D) Left brachiocephalic vein
Answer: C) Sternum
Which vessel supplies blood to the thymus?
A) Internal thoracic artery
B) Right coronary artery
C) Inferior mesenteric artery
D) Abdominal aorta
Answer: A) Internal thoracic artery
The lower border of the thymus is at the level of which costal cartilage?
A) 2nd
B) 3rd
C) 4th
D) 5th
Answer: C) 4th
The thymic veins drain into all of the following except:
A) Left brachiocephalic vein
B) Internal thoracic vein
C) Inferior thyroid vein
D) Azygos vein
Answer: D) Azygos vein
The thymus has no afferent lymphatic vessels. Where do its efferent lymphatics drain?
A) Axillary lymph nodes
B) Related regional nodes
C) Thoracic duct
D) Right lymphatic duct
Answer: B) Related regional nodes
Sympathetic innervation of the thymus comes from:
A) Vagus nerve
B) Cervicothoracic (stellate) ganglion
C) Greater splanchnic nerve
D) Phrenic nerve
Answer: B) Cervicothoracic (stellate) ganglion
