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Chapter 36: Drugs Used to Treat Thyroid Disease
Test Bank
MULTIPLE CHOICE
1. Which medication is used to treat hyperthyroidism?
a. Levothyroxine (Synthroid)
b. Liotrix (Thyrolar)
c. Propylthiouracil (Propacil)
d. Liothyronine (Cytomel)
ANS: C
Propylthiouracil is an antithyroid agent used in the treatment of hyperthyroidism.
Levothyroxine, liotrix, and liothyronine are used to treat hypothyroidism.
DIF: Cognitive Level: Knowledge REF: p. 601 OBJ: 4
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
2. A patient with a history of heart failure has been diagnosed with hypothyroidism. The drug
interaction with glycosides and thyroid replacement therapy will most likely require which
change in therapy?
a. Decrease in the daily digoxin dosage
b. Gradual increase in the daily glycoside dosage
c. Inability to begin thyroid replacement therapy because of the underlying heart
condition
d. Increased thyroid replacement dosage
ANS: B
If thyroid replacement therapy is started while receiving digoxin, a gradual increase in the
glycoside will also be necessary to maintain adequate therapeutic activity. Decreasing the
digoxin would put the patient at risk for cardiovascular complications. The two treatments can
be coordinated. The thyroid medication does not need to be increased.
DIF: Cognitive Level: Comprehension REF: p. 600 OBJ: 5
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
3. Which nursing diagnosis may be identified for a patient with hyperthyroidism?
a. Imbalanced nutrition: more than body requirements
b. Constipation
c. Disturbed sleep pattern
d. Ineffective airway clearance
ANS: C
Hyperthyroidism is caused by an excess amount of thyroid hormones. Patients typically
exhibit the following symptoms: rapid, bounding pulse (even during sleep); cardiac
enlargement; palpitations; and dysrhythmias. Patients are nervous and easily agitated.
Reflexes are hyperactive and the patient typically experiences insomnia. A nursing diagnosis
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of “Disturbed sleep pattern” would be a common problem. The patient with hyperthyroidism
is likely to consume less than body requirements and is not likely to be constipated as a result
of the disease. Ineffective airway clearance is not a common problem of patients with
hyperthyroidism.
DIF: Cognitive Level: Analysis REF: p. 596 OBJ: 4
TOP: Nursing Process Step: Diagnosis
MSC: NCLEX Client Needs Category: Health Promotion and Maintenance
4. The nurse is providing instruction to a patient recently prescribed a radioactive iodine
isotope.
Which is the correct action of this medication?
a. Stimulates the synthesis of T3 and T4 hormones
b. Increases the storage of thyroxine before thyroid surgery
c. Destroys hyperactive thyroid tissue
d. Replaces deficient thyroid hormone
ANS: C
The thyroid gland absorbs high concentrations of radioactive iodine, which destroys the
hyperactive thyroid tissue with essentially no damage to other tissues in the body.
Radioactive iodine does not stimulate hormone synthesis, increase hormone storage, or
replace deficient hormones.
DIF: Cognitive Level: ComprehensionREF: p. 600 OBJ: 6 | 8
TOP: Nursing Process Step: Assessment
MSC: NCLEX Client Needs Category: Physiological Integrity
5. Which patient would be a candidate for radioactive iodine therapy?
a. A 17-year-old woman with Graves’ disease
b. A 64-year-old woman with hypothyroidism
c. A 46-year-old man with heart disease and thyroid cancer
d. An 82-year-old man with myxedema crisis
ANS: C
Patients typically treated with radioactive iodine therapy are those who are beyond
childbearing years, those with severe complicating diseases (e.g., heart disease), those with
recurrent hyperthyroidism after previous thyroid surgery, those who are poor surgical risks,
and those who have unusually small thyroid glands. Women of childbearing age should not
be treated with radioactive iodine. Hypothyroidism and myxedema are not treated with
radioactive iodine.
DIF: Cognitive Level: Application REF: p. 600 OBJ: 8
TOP: Nursing Process Step: Evaluation
MSC: NCLEX Client Needs Category: Safe, Effective Care Environment
6. Which medication is used in the treatment of hypothyroidism?
a. Levothyroxine (Synthroid)
b. Radioactive iodine
c. Propylthiouracil (Propacil)
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Chapter 36: Drugs Used to Treat Thyroid Disease
Test Bank
MULTIPLE CHOICE
1. Which medication is used to treat hyperthyroidism?
a. Levothyroxine (Synthroid)
b. Liotrix (Thyrolar)
c. Propylthiouracil (Propacil)
d. Liothyronine (Cytomel)
ANS: C
Propylthiouracil is an antithyroid agent used in the treatment of hyperthyroidism.
Levothyroxine, liotrix, and liothyronine are used to treat hypothyroidism.
DIF: Cognitive Level: Knowledge REF: p. 601 OBJ: 4
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
2. A patient with a history of heart failure has been diagnosed with hypothyroidism. The drug
interaction with glycosides and thyroid replacement therapy will most likely require which
change in therapy?
a. Decrease in the daily digoxin dosage
b. Gradual increase in the daily glycoside dosage
c. Inability to begin thyroid replacement therapy because of the underlying heart
condition
d. Increased thyroid replacement dosage
ANS: B
If thyroid replacement therapy is started while receiving digoxin, a gradual increase in the
glycoside will also be necessary to maintain adequate therapeutic activity. Decreasing the
digoxin would put the patient at risk for cardiovascular complications. The two treatments can
be coordinated. The thyroid medication does not need to be increased.
DIF: Cognitive Level: Comprehension REF: p. 600 OBJ: 5
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
3. Which nursing diagnosis may be identified for a patient with hyperthyroidism?
a. Imbalanced nutrition: more than body requirements
b. Constipation
c. Disturbed sleep pattern
d. Ineffective airway clearance
ANS: C
Hyperthyroidism is caused by an excess amount of thyroid hormones. Patients typically
exhibit the following symptoms: rapid, bounding pulse (even during sleep); cardiac
enlargement; palpitations; and dysrhythmias. Patients are nervous and easily agitated.
Reflexes are hyperactive and the patient typically experiences insomnia. A nursing diagnosis
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Distribution of this document is illegal
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of “Disturbed sleep pattern” would be a common problem. The patient with hyperthyroidism
is likely to consume less than body requirements and is not likely to be constipated as a result
of the disease. Ineffective airway clearance is not a common problem of patients with
hyperthyroidism.
DIF: Cognitive Level: Analysis REF: p. 596 OBJ: 4
TOP: Nursing Process Step: Diagnosis
MSC: NCLEX Client Needs Category: Health Promotion and Maintenance
4. The nurse is providing instruction to a patient recently prescribed a radioactive iodine
isotope.
Which is the correct action of this medication?
a. Stimulates the synthesis of T3 and T4 hormones
b. Increases the storage of thyroxine before thyroid surgery
c. Destroys hyperactive thyroid tissue
d. Replaces deficient thyroid hormone
ANS: C
The thyroid gland absorbs high concentrations of radioactive iodine, which destroys the
hyperactive thyroid tissue with essentially no damage to other tissues in the body.
Radioactive iodine does not stimulate hormone synthesis, increase hormone storage, or
replace deficient hormones.
DIF: Cognitive Level: ComprehensionREF: p. 600 OBJ: 6 | 8
TOP: Nursing Process Step: Assessment
MSC: NCLEX Client Needs Category: Physiological Integrity
5. Which patient would be a candidate for radioactive iodine therapy?
a. A 17-year-old woman with Graves’ disease
b. A 64-year-old woman with hypothyroidism
c. A 46-year-old man with heart disease and thyroid cancer
d. An 82-year-old man with myxedema crisis
ANS: C
Patients typically treated with radioactive iodine therapy are those who are beyond
childbearing years, those with severe complicating diseases (e.g., heart disease), those with
recurrent hyperthyroidism after previous thyroid surgery, those who are poor surgical risks,
and those who have unusually small thyroid glands. Women of childbearing age should not
be treated with radioactive iodine. Hypothyroidism and myxedema are not treated with
radioactive iodine.
DIF: Cognitive Level: Application REF: p. 600 OBJ: 8
TOP: Nursing Process Step: Evaluation
MSC: NCLEX Client Needs Category: Safe, Effective Care Environment
6. Which medication is used in the treatment of hypothyroidism?
a. Levothyroxine (Synthroid)
b. Radioactive iodine
c. Propylthiouracil (Propacil)
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