Question 1

A patient with hypothyroidism is given a prescription for levothyroxine (Synthroid) . When the nurse explains that this is a synthetic form of the thyroid hormone, he states that he prefers to receive more "natural" forms of drugs. What will the nurse explain to him about the advantages of levothyroxine?

Accepted Answer

A)   It has a stronger effect than the natural forms.
B)   Levothyroxine is less expensive than the natural forms.
C)   The synthetic form has fewer adverse effects on the gastrointestinal tract.
D)   The half-life of levothyroxine is long enough to permit once-daily dosing.E) A) and B)
F) None of the above

Question 2

A patient has a diagnosis of primary hypothyroidism. Which statement accurately describes this problem?

Accepted Answer

A)   The hypothalamus is not secreting thyrotropin-releasing hormone (TRH) ; therefore, thyroid-stimulating hormone (TSH)  is not released from the pituitary gland.
B)   The pituitary gland is dysfunctional and is not secreting TSH.
C)   The abnormality is in the thyroid gland itself.
D)   The abnormality is caused by an insufficient intake of iodine.E) None of the above
F) A) and D)

Question 3

When reviewing the laboratory values of a patient who is taking antithyroid drugs, the nurse will monitor for which adverse effect?

Accepted Answer

A)   Decreased glucose levels
B)   Decreased white blood cell count
C)   Increased red blood cell count
D)   Increased platelet countE) C) and D)
F) All of the above

Question 4

The order reads, "Give levothyroxine (Synthroid) , 200 mg, PO once every morning." Which action by the nurse is correct?

Accepted Answer

A)   Give the medication as ordered.
B)   Change the dose to 200 mcg because that is what the prescriber meant.
C)   Hold the drug until the prescriber returns to see the patient.
D)   Question the order because the dose is higher than 200 mcg.E) B) and C)
F) A) and D)

Question 5

A patient, newly diagnosed with hypothyroidism, has received a prescription for thyroid replacement therapy. The nurse will instruct the patient to take this medication at which time of day?

Accepted Answer

A)   In the morning
B)   With the noon meal
C)   With the evening meal
D)   At bedtimeE) B) and C)
F) B) and D)

Question 6

A 19-year-old student was diagnosed with hypothyroidism and has started thyroid replacement therapy with levothyroxine (Synthroid) . After 1 week, she called the clinic to report that she does not feel better. Which response from the nurse is correct?

Accepted Answer

A)   "It will probably require surgery for a cure to happen."
B)   "The full therapeutic effects may not occur for several weeks."
C)   "Is it possible that you did not take your medication as instructed?"
D)   "Let's review your diet; it may be causing absorption problems."E) B) and D)
F) A) and B)

Question 7

A 19-year-old woman has been diagnosed with hypothyroidism and has started thyroid replacement therapy with levothyroxine (Synthroid) . After 6 months, she calls the nurse to say that she feels better and wants to stop the medication. Which response by the nurse is correct?

Accepted Answer

A)   "You can stop the medication if your symptoms have improved."
B)   "You need to stay on the medication for at least 1 year before a decision about stopping it can be made."
C)   "You need to stay on this medication until you become pregnant."
D)   "Medication therapy for hypothyroidism is usually lifelong, and you should not stop taking the medication."E) B) and C)
F) C) and D)

Question 8

During a teaching session for a patient on antithyroid drugs, the nurse will discuss which dietary instructions?

Accepted Answer

A)   Using iodized salt when cooking
B)   Avoiding foods containing iodine
C)   Restricting fluid intake to 2500 mL/day
D)   Increasing intake of sodium- and potassium-containing foodsE) C) and D)
F) B) and C) B

Question 9

A patient has been taking levothyroxine (Synthroid)  for more than one decade for primary hypothyroidism. Today she calls because she has a cousin who can get her the same medication in a generic form from a pharmaceutical supply company. Which is the nurse's best advice?

Accepted Answer

A)   "This would be a great way to save money."
B)   "There's no difference in brands of this medication."
C)   "This should never be done; once you start with a certain brand, you must stay with it."
D)   "It's better not to switch brands unless we check with your doctor."E) B) and D)
F) C) and D) D

Question 10

A patient, newly diagnosed with hypothyroidism, receives a prescription for a thyroid hormone replacement drug. The nurse assesses for which potential contraindication to this drug?

Accepted Answer

A)   Infection
B)   Diabetes mellitus
C)   Liver disease
D)   Recent myocardial infarctionE) C) and D)
F) A) and D)

Question 11

Levothyroxine (Synthroid)  has been prescribed for a patient with hypothyroidism. The nurse reviews the patient's current medications for potential interactions. Which of these drugs or drug classes interact with levothyroxine?

Accepted Answer

A)   Phenytoin (Dilantin) 
B)   Estrogens
C)   Beta blockers
D)   Warfarin (Coumadin) 
E)   PenicillinsF)  Iron supplementsG) A) and E)
H) C) and F)

Question 12

A patient who is taking propylthiouracil (PTU)  for hyperthyroidism wants to know how this medicine works. Which explanation by the nurse is accurate?

Accepted Answer

A)   It promotes the formation of thyroid hormone.
B)   It slows down the formation of thyroid hormone.
C)   It destroys overactive cells in the thyroid gland.
D)   It inactivates already existing thyroid hormone in the bloodstream.E) All of the above
F) A) and C)

Question 13

The nurse is giving morning medications. The Medication Administration Record has an order for levothyroxine, 25 mcg PO. The drug-dispensing cabinet contains levothyroxine tablets in milligram strengths instead of micrograms. Calculate the milligram equivalent dose of 25 mcg. _______

Accepted Answer

0.025 mg
There are 1000 mcg in 1 mg
1000 mcg:1 mg :: 25 mcg:x mg.
(1000 × x) = (1 × 25); 1000x = 25; x = 0.025 mg

Exam 31: Thyroid and Antithyroid Drugs

Correct Answer
verified

A patient has a diagnosis of primary hypothyroidism. Which statement accurately describes this problem?

Correct Answer
verified

When reviewing the laboratory values of a patient who is taking antithyroid drugs, the nurse will monitor for which adverse effect?

Correct Answer
verified

The order reads, "Give levothyroxine (Synthroid) , 200 mg, PO once every morning." Which action by the nurse is correct?

Correct Answer
verified

A patient, newly diagnosed with hypothyroidism, has received a prescription for thyroid replacement therapy. The nurse will instruct the patient to take this medication at which time of day?

Correct Answer
verified

A 19-year-old student was diagnosed with hypothyroidism and has started thyroid replacement therapy with levothyroxine (Synthroid) . After 1 week, she called the clinic to report that she does not feel better. Which response from the nurse is correct?

Correct Answer
verified

A 19-year-old woman has been diagnosed with hypothyroidism and has started thyroid replacement therapy with levothyroxine (Synthroid) . After 6 months, she calls the nurse to say that she feels better and wants to stop the medication. Which response by the nurse is correct?

Correct Answer
verified

During a teaching session for a patient on antithyroid drugs, the nurse will discuss which dietary instructions?

Correct Answer
verified
B

A patient has been taking levothyroxine (Synthroid) for more than one decade for primary hypothyroidism. Today she calls because she has a cousin who can get her the same medication in a generic form from a pharmaceutical supply company. Which is the nurse's best advice?

Correct Answer
verified
D

A patient, newly diagnosed with hypothyroidism, receives a prescription for a thyroid hormone replacement drug. The nurse assesses for which potential contraindication to this drug?

Correct Answer
verified

Levothyroxine (Synthroid) has been prescribed for a patient with hypothyroidism. The nurse reviews the patient's current medications for potential interactions. Which of these drugs or drug classes interact with levothyroxine?

Correct Answer
verified

A patient who is taking propylthiouracil (PTU) for hyperthyroidism wants to know how this medicine works. Which explanation by the nurse is accurate?

Correct Answer
verified

The nurse is giving morning medications. The Medication Administration Record has an order for levothyroxine, 25 mcg PO. The drug-dispensing cabinet contains levothyroxine tablets in milligram strengths instead of micrograms. Calculate the milligram equivalent dose of 25 mcg. _______

Correct Answer
verified
0.025 mg There are 1000 mcg in 1 mg 1000 mcg:1 mg :: 25 mcg:x mg. (1000 × x) = (1 × 25); 1000x = 25; x = 0.025 mg

Exam 31: Thyroid and Antithyroid Drugs

Correct AnswerverifiedShow Answer

A patient has a diagnosis of primary hypothyroidism. Which statement accurately describes this problem?

Correct AnswerverifiedShow Answer

When reviewing the laboratory values of a patient who is taking antithyroid drugs, the nurse will monitor for which adverse effect?

Correct AnswerverifiedShow Answer

The order reads, "Give levothyroxine (Synthroid) , 200 mg, PO once every morning." Which action by the nurse is correct?

Correct AnswerverifiedShow Answer

A patient, newly diagnosed with hypothyroidism, has received a prescription for thyroid replacement therapy. The nurse will instruct the patient to take this medication at which time of day?

Correct AnswerverifiedShow Answer

A 19-year-old student was diagnosed with hypothyroidism and has started thyroid replacement therapy with levothyroxine (Synthroid) . After 1 week, she called the clinic to report that she does not feel better. Which response from the nurse is correct?

Correct AnswerverifiedShow Answer

A 19-year-old woman has been diagnosed with hypothyroidism and has started thyroid replacement therapy with levothyroxine (Synthroid) . After 6 months, she calls the nurse to say that she feels better and wants to stop the medication. Which response by the nurse is correct?

Correct AnswerverifiedShow Answer

During a teaching session for a patient on antithyroid drugs, the nurse will discuss which dietary instructions?

Correct AnswerverifiedB

A patient has been taking levothyroxine (Synthroid) for more than one decade for primary hypothyroidism. Today she calls because she has a cousin who can get her the same medication in a generic form from a pharmaceutical supply company. Which is the nurse's best advice?

Correct AnswerverifiedD

A patient, newly diagnosed with hypothyroidism, receives a prescription for a thyroid hormone replacement drug. The nurse assesses for which potential contraindication to this drug?

Correct AnswerverifiedShow Answer

Levothyroxine (Synthroid) has been prescribed for a patient with hypothyroidism. The nurse reviews the patient's current medications for potential interactions. Which of these drugs or drug classes interact with levothyroxine?

Correct AnswerverifiedShow Answer

A patient who is taking propylthiouracil (PTU) for hyperthyroidism wants to know how this medicine works. Which explanation by the nurse is accurate?

Correct AnswerverifiedShow Answer

The nurse is giving morning medications. The Medication Administration Record has an order for levothyroxine, 25 mcg PO. The drug-dispensing cabinet contains levothyroxine tablets in milligram strengths instead of micrograms. Calculate the milligram equivalent dose of 25 mcg. _______

Correct Answerverified0.025 mg There are 1000 mcg in 1 mg 1000 mcg:1 mg :: 25 mcg:x mg. (1000 × x) = (1 × 25); 1000x = 25; x = 0.025 mg

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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B

Correct Answer
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D

Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
verified
0.025 mg There are 1000 mcg in 1 mg 1000 mcg:1 mg :: 25 mcg:x mg. (1000 × x) = (1 × 25); 1000x = 25; x = 0.025 mg