2026 Update) Advanced Pharmacology
Fundamentals | Questions and Answers| Verified
Solutions | GRADED A- Chamberlain.
WEEK 5
...
Thyroid
o Diagnosis & Evaluation
What labs are used to diagnose?
Correct Answer:
-TSH - used primarily for screening and diagnosing hypothyroid and for monitoring replacement therapy
in hypothyroid patients
-T4 - Used to monitor thyroid hormone replacement therapy and to screen for thyroid dysfunction
-T3 - Useful in the diagnosis of hyperthyroidism; can also be used to monitor hormone replacement
therapy
-TSH low
-T4 normal
-T3 is high = hyperthyroidism
,Thyroid
o Diagnosis & Evaluation
Timeframe for re-check of labs after starting levothyroxine?
Correct Answer:
Recheck TSH 6-8 weeks after initiating therapy and after any dosage change; Check TSH at least once a
year after serum TSH is stabilized
Thyroid
o Diagnosis & Evaluation
Signs and symptoms of hypothyroidism?
Correct Answer:
Hypothyroidism: Depend on severity.
o Mild: subtle and may go unrecognized
o Moderate to severe:
,Correct Answer:
-Face is pale, puffy, and expressionless.
-Skin cold and dry.
-Hair is brittle and hair loss occurs.
-Slowed Heart rate.
-Patient may complain of lethargy, fatigue, and
-Temperature is lowered & intolerant to cold.
-Thyroid Enlargement may occur if reduced levels of T3
and T4
Mentation may be impaired.
Thyroid
o Diagnosis & Evaluation
Signs and symptoms of hyperthyroidism?
Correct Answer:
o Elevated Heart rate and strong, and dysrhythmias and angina may develop
, o The CNS is stimulated, resulting is nervousness, insomnia, rapid thought flow, and rapid speech,
hyperreflexia, tremors
o Skeletal muscles may weaken and atrophy
o Metabolic rate is raised, resulting in health and skin that is warm and moist
o Feeling Hot + Heat intolerance
o Appetit is increased but fails to match metabolic rate resulting in weight loss
o All of these signs are referred to as thyrotoxicosis
o Also usually present with exophthalmos - bulging of the eyes
Thyroid
o Treatment
Treatment of thyroid storm?
Correct Answer:
Characterized by profound hyperthermia (105 degrees F or higher), severe tachycardia, restlessness,
agitation, and tremor.
Unconsciousness, coma, hypotension, and heart failure may ensure.
These symptoms are produced by excessive levels of thyroid hormone
Thyroid crisis can be life threatening and requires immediate treatment.
o High doses of potassium iodide or strong iodine solution are given to suppress thyroid hormone release.
o Methimazole is given to suppress thyroid hormone synthesis
o A beta blocker is given to reduce heart rate
o Additional measures include sedation, cooling, and giving
glucocorticoids and IVF
Thyroid