THYROID CANCER- BARRY BMS EXAM WITH
COMPLETE SOLUTIONS
______ is a soft, butter-fly shaped red-brownish endocrine gland. - ANSWER Thyroid
gland
Where is the thyroid gland found? - ANSWER Anterior aspect of the upper trachea
_______ connects the left and right lobes of the thyroid gland. - ANSWER Isthmus
T/F: The isthmus is active - ANSWER True
T/F: The pyramidal lobe is found in all individuals - ANSWER False
_______ lobe is a remnant of thyroid tissue. - ANSWER Pyramidal
Where are the parathyroid glands found? - ANSWER Posterior aspect of the thyroid
glands
T/F: The parathyroid glands have the same structures and functions as the thyroid
gland. - ANSWER False; different structures and functions
Which cells are responsible for producing and releasing T3 and T4? - ANSWER Follicular
cells
The lumen of follicles is filled with ________. - ANSWER Colloid
________ is gel-like substance containing thyroglobulin. - ANSWER Colloid
T/F: C (parafollicular) cells have nothing to do with thyroid hormone production. -
ANSWER True
Which cells make calcitonin? - ANSWER C (parafollicular) cells
Where is thyroglobulin synthesized? - ANSWER Follicular cells and then transported to
lumen filled with colloid
What happens to thyroglobulin once it is in the lumen of colloid? - ANSWER Conjugates
with iodine
The conjugation of thyroglobulin and iodine in colloid forms________. - ANSWER
Iodinated tyrosines
The linkage of tyrosine leads to the formation of _______. - ANSWER T3/T4
T/F: Thyroglobulin undergoes endocytosis - ANSWER True
, Iodine is _______ to become active and secrete into the colloid. - ANSWER Oxidized
T/F: If iodine is not oxidized it cannot be conjugated with thyroglobulin and there will be
no production of T3/T4. - ANSWER True
Lysosomal proteins perform ______ of T3 and T4. - ANSWER cleavage
The two types of thyroid are according to ______. - ANSWER origin
What are the two main types of thyroid cancer? - ANSWER Follicular (T3/T4 producing
cells) and C-parafollicular ( Calcitonin producing cells)
Implication of thyroid cancer involve all but the following:
A. Diagnosis
B. Treatment
C. Follow-up
D. All of the following are implications - ANSWER D
T/F: lymphomas can effect the thyroid gland - ANSWER True (lymphoid cells)
T/F: Sarcomas can effect connective tissue - ANSWER True (sarcomas)
Ifthe - ANSWER
T/F: If there is an early diagnosis and treatment, there will be a very good general
prognosis - ANSWER True
T/F: Thyroid cancer has extremely high death rates and low survival rates - ANSWER
False; reverse
______ thyroid cancer has 99% survival rate.
A. Regional
B. Localized
C. Distant
D. Unstaged - ANSWER B. Localized
______ thyroid cancer has the 2nd highest survival rates (97.6%).
A. Regional
B. Localized
C. Distant
D. Unstaged - ANSWER A. Regional
COMPLETE SOLUTIONS
______ is a soft, butter-fly shaped red-brownish endocrine gland. - ANSWER Thyroid
gland
Where is the thyroid gland found? - ANSWER Anterior aspect of the upper trachea
_______ connects the left and right lobes of the thyroid gland. - ANSWER Isthmus
T/F: The isthmus is active - ANSWER True
T/F: The pyramidal lobe is found in all individuals - ANSWER False
_______ lobe is a remnant of thyroid tissue. - ANSWER Pyramidal
Where are the parathyroid glands found? - ANSWER Posterior aspect of the thyroid
glands
T/F: The parathyroid glands have the same structures and functions as the thyroid
gland. - ANSWER False; different structures and functions
Which cells are responsible for producing and releasing T3 and T4? - ANSWER Follicular
cells
The lumen of follicles is filled with ________. - ANSWER Colloid
________ is gel-like substance containing thyroglobulin. - ANSWER Colloid
T/F: C (parafollicular) cells have nothing to do with thyroid hormone production. -
ANSWER True
Which cells make calcitonin? - ANSWER C (parafollicular) cells
Where is thyroglobulin synthesized? - ANSWER Follicular cells and then transported to
lumen filled with colloid
What happens to thyroglobulin once it is in the lumen of colloid? - ANSWER Conjugates
with iodine
The conjugation of thyroglobulin and iodine in colloid forms________. - ANSWER
Iodinated tyrosines
The linkage of tyrosine leads to the formation of _______. - ANSWER T3/T4
T/F: Thyroglobulin undergoes endocytosis - ANSWER True
, Iodine is _______ to become active and secrete into the colloid. - ANSWER Oxidized
T/F: If iodine is not oxidized it cannot be conjugated with thyroglobulin and there will be
no production of T3/T4. - ANSWER True
Lysosomal proteins perform ______ of T3 and T4. - ANSWER cleavage
The two types of thyroid are according to ______. - ANSWER origin
What are the two main types of thyroid cancer? - ANSWER Follicular (T3/T4 producing
cells) and C-parafollicular ( Calcitonin producing cells)
Implication of thyroid cancer involve all but the following:
A. Diagnosis
B. Treatment
C. Follow-up
D. All of the following are implications - ANSWER D
T/F: lymphomas can effect the thyroid gland - ANSWER True (lymphoid cells)
T/F: Sarcomas can effect connective tissue - ANSWER True (sarcomas)
Ifthe - ANSWER
T/F: If there is an early diagnosis and treatment, there will be a very good general
prognosis - ANSWER True
T/F: Thyroid cancer has extremely high death rates and low survival rates - ANSWER
False; reverse
______ thyroid cancer has 99% survival rate.
A. Regional
B. Localized
C. Distant
D. Unstaged - ANSWER B. Localized
______ thyroid cancer has the 2nd highest survival rates (97.6%).
A. Regional
B. Localized
C. Distant
D. Unstaged - ANSWER A. Regional