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Navigating the challenges of hypothyroidism management

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Navigating the challenges of hypothyroidism management Navigating the challenges of hypothyroidism management

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Question 1 of 15
1. Question
1. TSH is secreted by the:
A. Pituitary gland
B. Hypothalamus
C. Nucleus accumbens
D. Ventral tegmental area
Question 2 of 15
2. Question
2. Overt hypothyroidism is defined as:
A. Elevated serum TSH, and low fT4
B. Elevated serum TSH and elevated fT4
C. Low serum TSH and elevated fT4
D. Low serum TSH and low fT4
Question 3 of 15
3. Question
3. Which of the following is true?
A. In South Africa, iodine deficiency is a common cause of hypothyroidism
B. Anti-thyroid antibodies are found more often in men than in women
C. Not all patients with anti-thyroid antibodies will develop thyroid disease
D. The prevalence of hypothyroidism is higher in younger people
Question 4 of 15
4. Question
4. Hypothyroidism may be associated with:
A. Increased diastolic blood pressure
B. Heart failure
C. Increased risk of ischaemic heart disease
D. All of the above
Question 5 of 15
5. Question
5. Hypothyroidism may be associated with:
A. Elevated total cholesterol
B. Elevated CRP
C. Elevated homocysteine
D. All of the above
Question 6 of 15
6. Question
6. LT4 is the treatment of choice for the routine management of hypothyroidism.
A. True
B. False
Question 7 of 15
7. Question
7. In patients with cardiac disease, the starting dose of LT4 is:
A. 5-10 µg of LT4 daily
B. 15-20 µg of LT4 daily
C. 20-25µg of LT4 daily
D. 25-50 µg of LT4 daily
Question 8 of 15
8. Question
8. After an initial dose of thyroxine (or changes in thyroxine dose), the patient should receive a repeat TSH measurement after:
A. 1-2 weeks
B. 2-3 weeks
C. 4-8 weeks
D. 8-16 weeks
Question 9 of 15
9. Question
9. Secondary hypothyroidism is characterised by reduced TSH and/or TRH production, leading to reduced stimulation of an otherwise normal thyroid gland:
A. True
B. False
Question 10 of 15
10. Question
10. For optimal absorption, LT4 should be taken:
A. At least 30 minutes before breakfast with water
B. With food
C. With orange juice
D. After dinner, at night
Question 11 of 15
11. Question
11. In South African patients, H. pylori infection is a very common cause of LT4 malabsorption:
A. True
B. False
Question 12 of 15
12. Question
12. In men, hypothyroidism is associated with:
A. Erectile dysfunction
B. Low sperm count
C. Reduced sperm quality
D. All of the above
Question 13 of 15
13. Question
13. TSH levels should be optimised before conception and a reasonable goal is:
A. TSH <4.8 mU/L
B. TSH <3.6 mU/L
C. TSH <2.5 mU/L
D. TSH <0.7 mU/L
Question 14 of 15
14. Question
14. During the third trimester of pregnancy, guidelines recommend maintaining TSH:
A. <4.8 mU/L
B. <3.0 mU/L
C. <1.2 mU/L
D. <0.5 mU/L
Question 15 of 15
15. Question
15. Which of the following is a risk factor for postpartum thyroiditis?
A. Family history of postpartum thyroiditis
B. Alcohol abuse
C. Colon cancer

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