Thyroid Knowledge Quiz

Test your knowledge – how much do you know about thyroid disorders?

The information in this quiz is designed for information and educational purposes only. The content provided should not be used to make any diagnosis or treatment of a health problem or disease. It is not a substitute for professional care. Always consult a qualified healthcare provider with any questions you may have regarding a medical condition.

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Question #1

1 of 14 complete

What is hyperthyroidism?

A condition in which the thyroid gland is overactive

A condition in which the thyroid gland is underactive

A condition in which your neck is swollen and painful

A condition in which thyroid hormones are not working properly

Submit

CORRECT!

Hyperthyroidism is a condition in which the thyroid gland is overactive and produces too much thyroid hormones.

Reference:

American Thyroid Association. Hyperthyroidism. 2018. Available at: https://www.thyroid.org/wp-content/uploads/patients/brochures/Hyper_brochure.pdf. Accessed 22 May 2023.

INCORRECT!

Hyperthyroidism is a condition in which the thyroid gland is overactive and produces too much thyroid hormones.

Reference:

American Thyroid Association. Hyperthyroidism. 2018. Available at: https://www.thyroid.org/wp-content/uploads/patients/brochures/Hyper_brochure.pdf. Accessed 22 May 2023.

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Question #2

1 of 14 complete

Undiagnosed hyperthyroidism can cause

Unexplained weight gain

Rapid pounding heart

Constipation

Sensitivity to cold

Submit

CORRECT!

Undiagnosed hyperthyroidism can make your heart work harder, which results in palpitations. In addition, it can cause weight loss despite having a good appetite, frequent bowel movements, and sensitivity to heat (heat intolerance).

Reference:

Yeo JLS, et al. Approach to goitre in family medicine. Singapore Med J. 2022;63:604-14.

INCORRECT!

Undiagnosed hyperthyroidism can make your heart work harder, which results in palpitations. In addition, it can cause weight loss despite having a good appetite, frequent bowel movements, and sensitivity to heat (heat intolerance).

Reference:

Yeo JLS, et al. Approach to goitre in family medicine. Singapore Med J. 2022;63:604-14.

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Question #3

1 of 14 complete

Which of these can increase your risk for hyperthyroidism?

Being female

Older age

Family history of thyroid disease

Personal history of autoimmune disease

All of the above

Submit

CORRECT!

Being female, older, and having a family history of thyroid disease increases the risk of hyperthyroidism. People with autoimmune disease (such as type 1 diabetes) are also at a higher risk for developing hyperthyroidism.

Reference:

Everyday Health. Are you at risk for thyroid disease? Available at:
https://www.everydayhealth.com/thyroid-conditions/evaluating-your-thyroid-disease-risk.aspx. Accessed 22 May 2023.

INCORRECT!

The correct answer is all of the above. Being female, older, and having a family history of thyroid disease increases the risk of for hyperthyroidism. People with autoimmune disease (such as type 1 diabetes) are also at a higher risk for developing hyperthyroidism.

Reference:

Everyday Health. Are you at risk for thyroid disease? Available at:
https://www.everydayhealth.com/thyroid-conditions/evaluating-your-thyroid-disease-risk.aspx. Accessed 22 May 2023.

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Question #4

1 of 14 complete

The most common cause of hyperthyroidism is

Thyroid cyst

Graves’ disease

Thyroid removal surgery

All of the above

Submit

CORRECT!

The most common cause of hyperthyroidism is an autoimmune thyroid disorder called Graves’ disease.

Reference:

Yeo JLS, et al. Approach to goitre in family medicine. Singapore Med J. 2022;63:604-14.

INCORRECT!

The most common cause of hyperthyroidism is an autoimmune thyroid disorder called Graves’ disease.

Reference:

Yeo JLS, et al. Approach to goitre in family medicine. Singapore Med J. 2022;63:604-14.

ERROR!

Please select the answer

Question #5

1 of 14 complete

Hyperthyroidism increases your risk for complications such as

Irregular heartbeat

Heart failure

Osteoporosis

Fractures

All the above

Submit

CORRECT!

Hyperthyroidism is associated with cardiovascular complications such as irregular heartbeat (atrial fibrillation) and heart failure. Hyperthyroidism increases the rate of bone loss, thereby resulting in osteoporosis and an increased risk for fractures, particularly in postmenopausal women.

Reference:

Osuna PM, et al. Hyperthyroidism and the heart. Methodist Debakey Cardiovasc J. 2017;13:60-3.
Delitala AP, et al. Thyroid hormone diseases and osteoporosis. J Clin Med. 2020;9:1034.

INCORRECT!

The correct answer is All the above.

Hyperthyroidism is associated with cardiovascular complications such as irregular heartbeat (atrial fibrillation) and heart failure. Hyperthyroidism increases the rate of bone loss, thereby resulting in osteoporosis and an increased risk for fractures, particularly in postmenopausal women.

Reference:

Osuna PM, et al. Hyperthyroidism and the heart. Methodist Debakey Cardiovasc J. 2017;13:60-3.
Delitala AP, et al. Thyroid hormone diseases and osteoporosis. J Clin Med. 2020;9:1034.

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Question #6

1 of 14 complete

Foods that are rich in iodine include

Seaweed

Sugar

Vegetable oil

Rice

All the above

Submit

CORRECT!

Seaweed is a richsource of dietary iodine. Sugar, vegetable oil and rice have a relatively low iodine content.

Reference:

Osuna PM, et al. Hyperthyroidism and the heart. Methodist Debakey Cardiovasc J. 2017;13:60-3.
Delitala AP, et al. Thyroid hormone diseases and osteoporosis. J Clin Med. 2020;9:1034.

INCORRECT!

Seaweed is a rich source of dietary iodine. Sugar, vegetable oil and rice have a relatively low iodine content.

Reference:

Osuna PM, et al. Hyperthyroidism and the heart. Methodist Debakey Cardiovasc J. 2017;13:60-3.
Delitala AP, et al. Thyroid hormone diseases and osteoporosis. J Clin Med. 2020;9:1034.

ERROR!

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Question #7

1 of 14 complete

Hypothyroidism during pregnancy increases the risk of

High blood pressure

Premature delivery

Low birth weight infants

Miscarriage

All the above

Submit

CORRECT!

Hypothyroidism, when untreated or poorly managed during pregnancy, increases the risk of high blood pressure, premature delivery, low birth weight infants, and miscarriage.

Reference:

Chen YT, et al. Thyroid diseases in pregnancy. Ann Acad Med Singapore. 2002;31:296-302.

Lopez-Munoz E, et al. Hypothyroidism and isolated hypothyroxinemia in pregnancy, from physiology to the clinic. Taiwan J Obstet Gynecol. 2019;58:757-63.

INCORRECT!

The correct answer is All the above.

Hypothyroidism, when untreated or poorly managed during pregnancy, increases the risk of high blood pressure, premature delivery, low birth weight infants, and miscarriage.

Reference:

Chen YT, et al. Thyroid diseases in pregnancy. Ann Acad Med Singapore. 2002;31:296-302.
‍
Lopez-Munoz E, et al. Hypothyroidism and isolated hypothyroxinemia in pregnancy, from physiology to the clinic. Taiwan J Obstet Gynecol. 2019;58:757-63.

ERROR!

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Question #8

1 of 14 complete

Symptoms of hypothyroidism include

Puffy face

Lethargy

Depression

Forgetfulness

All the above

Submit

CORRECT!

The correct answer is All the above. Common symptoms of hypothyroidism include facial puffiness, lethargy, low mood or depression, and impaired memory.

Reference:

Yeo JLS, et al. Approach to goitre in family medicine. Singapore Med J. 2022;63:604-14.

Lopez-Munoz E, et al. Hypothyroidism and isolated hypothyroxinemia in pregnancy, from physiology to the clinic. Taiwan J Obstet Gynecol. 2019;58:757-63.

INCORRECT!

The correct answer is All the above. Common symptoms of hypothyroidism include facial puffiness, lethargy, low mood or depression, and impaired memory.

Reference:

Yeo JLS, et al. Approach to goitre in family medicine. Singapore Med J. 2022;63:604-14.

Lopez-Munoz E, et al. Hypothyroidism and isolated hypothyroxinemia in pregnancy, from physiology to the clinic. Taiwan J Obstet Gynecol. 2019;58:757-63.

ERROR!

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Question #9

1 of 14 complete

Thyroid eye disease can occur in

Graves’ disease

Hashimoto’s thyroiditis

Euthyroid individuals

All the above

None of the above

Submit

CORRECT!

Thyroid eye disease is an autoimmune condition that occurs in 25‒50% of patients with Graves’ disease and is occasionally seen in Hashimoto’s thyroiditis or individuals who have normal thyroid function.

Reference:

Goh SY, et al. Thyroid autoantibody profiles in ophthalmic dominant and thyroid dominant Graves’ disease differ and suggest ophthalmopathy is a multiantigenic disease. Clin Endocrinol (Oxf). 2004;60:600-7.

INCORRECT!

The correct answer is All the above.

Thyroid eye disease is an autoimmune condition that occurs in 25‒50% of patients with Graves’ disease and is occasionally seen in Hashimoto’s thyroiditis or individuals who have normal thyroid function.

Reference:

ERROR!

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Question #10

1 of 14 complete

True or false? Finding a lump or a nodule in your thyroid means that you have thyroid cancer.

True

False

Submit

CORRECT!

Thyroid nodules are common and usually benign, with approximately 1 in 5 nodules being cancerous. If your doctor suspects that you may have thyroid cancer, you will need a fine needle biopsy.

Reference:

Pang HN, et al. Incidence of cancer in nodular goitres. Ann Acad Med Singapore. 2007;36:241-3. American Thyroid Association. Thyroid cancer. 2022. Available at:
https://www.thyroid.org/wp-content/uploads/patients/brochures/ThyroidCancer_brochure.pdf. Accessed 24 May 2023

INCORRECT!

Thyroid nodules are common and usually benign, with approximately 1 in 5 nodules being cancerous. If your doctor suspects that you may have thyroid cancer, you will need a fine needle biopsy.

Reference:

Pang HN, et al. Incidence of cancer in nodular goitres. Ann Acad Med Singapore. 2007;36:241-3.
American Thyroid Association. Thyroid cancer. 2022. Available at:
https://www.thyroid.org/wp-content/uploads/patients/brochures/ThyroidCancer_brochure.pdf. Accessed 24 May 2023

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