4251 to 4300 MCQs for Lab Technician and Technologist Exam Preparation
5000 Plus MCQs for Lab Technician and Technologists are designed to test the knowledge and proficiency of laboratory professionals who work in the field of clinical laboratory science. These questions cover a wide range of topics related to laboratory science, including anatomy, physiology, microbiology, chemistry, and hematology.
4251 to 4300 MCQs for Lab Technician and Technologist Exam Preparation
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Questions 4251 to 4300
- Which thyroid function test is used to assess the level of antithyroid peroxidase antibodies?
- Thyroid-stimulating hormone (TSH)
- Thyroid-stimulating immunoglobulins (TSI)
- Thyroglobulin (Tg)
- Antithyroid peroxidase antibodies (TPOAb) ✔️
- Elevated levels of antithyroid peroxidase antibodies (TPOAb) are associated with:
- Hyperthyroidism
- Hypothyroidism
- Autoimmune thyroid disease ✔️
- Thyroid cancer
- What is the normal range for antithyroid peroxidase antibodies (TPOAb) levels?
- <35 IU/mL ✔️
- <9 IU/mL
- <0.4 ng/dL
- <10 U/mL
- Which thyroid function test is used to assess the level of thyrotropin receptor antibodies?
- Thyroid-stimulating hormone (TSH)
- Thyroid-stimulating immunoglobulins (TSI)
- Thyroglobulin (Tg)
- Thyrotropin receptor antibodies (TRAb) ✔️
- Elevated levels of thyrotropin receptor antibodies (TRAb) are associated with:
- Hyperthyroidism (Graves’ disease) ✔️
- Hypothyroidism
- Autoimmune thyroid disease
- Thyroid cancer
- What is the normal range for thyrotropin receptor antibodies (TRAb) levels?
- <1.5 IU/L ✔️
- <9 IU/mL
- <0.4 ng/dL
- <10 U/mL
- Which thyroid function test is used to assess the level of sex hormone-binding globulin (SHBG)?
- Total T4
- Total T3
- Sex hormone-binding globulin (SHBG) ✔️
- Thyroid peroxidase antibodies (TPOAb)
- Elevated levels of sex hormone-binding globulin (SHBG) are associated with:
- Hyperthyroidism
- Hypothyroidism ✔️
- Euthyroid state
- Thyroid cancer
- What is the reference range for sex hormone-binding globulin (SHBG) levels?
- 20-70 nmol/L ✔️
- 4.5-11.2 µg/dL
- 0.4-4.0 mIU/L
- 10-20 µIU/mL
- Which thyroid function test is used to assess the level of insulin-like growth factor 1 (IGF-1)?
- Total T4
- Total T3
- Insulin-like growth factor 1 (IGF-1) ✔️
- Thyroglobulin (Tg)
- Elevated levels of insulin-like growth factor 1 (IGF-1) are associated with:
- Hyperthyroidism
- Hypothyroidism
- Acromegaly ✔️
- Thyroid cancer
- What is the reference range for insulin-like growth factor 1 (IGF-1) levels?
- 115-307 ng/mL ✔️
- 4.5-11.2 µg/dL
- 0.4-4.0 mIU/L
- 10-20 µIU/mL
- Which thyroid function test is used to assess the level of parathyroid hormone (PTH)?
- Total T4
- Total T3
- Parathyroid hormone (PTH) ✔️
- Thyroid-stimulating hormone (TSH)
- Elevated levels of parathyroid hormone (PTH) are associated with:
- Hyperthyroidism
- Hypothyroidism
- Hyperparathyroidism ✔️
- Thyroid cancer
- What is the reference range for parathyroid hormone (PTH) levels?
- 10-65 pg/mL ✔️
- 4.5-11.2 µg/dL
- 0.4-4.0 mIU/L
- 10-20 µIU/mL
- Which thyroid function test is used to assess the level of vitamin D (25-hydroxyvitamin D)?
- Total T4
- Total T3
- Vitamin D (25-hydroxyvitamin D) ✔️
- Thyroid peroxidase antibodies (TPOAb)
- Low levels of vitamin D (25-hydroxyvitamin D) are associated with:
- Hyperthyroidism
- Hypothyroidism
- Vitamin D deficiency
- Thyroid cancer ✔️
- What is the reference range for vitamin D (25-hydroxyvitamin D) levels?
- 30-74 ng/mL ✔️
- 4.5-11.2 µg/dL
- 0.4-4.0 mIU/L
- 10-20 µIU/mL
- Which thyroid function test is used to assess the level of iron in the body?
- Total T4
- Total T3
- Iron ✔️
- Thyroglobulin (Tg)
- Low levels of iron are associated with:
- Hyperthyroidism
- Hypothyroidism
- Iron deficiency anemia ✔️
- Thyroid cancer
- Which of the following hormones is primarily produced by the thyroid gland?
- Insulin
- Thyroxine ✔️
- Cortisol
- Estrogen
- Thyroid Stimulating Hormone (TSH) is produced by which organ?
- Thyroid gland
- Pituitary gland ✔️
- Adrenal gland
- Pancreas
- Which hormone regulates the production of TSH?
- Thyroxine
- Triiodothyronine
- Thyroid-releasing hormone (TRH) ✔️
- Follicle-stimulating hormone (FSH)
- Which of the following is the most sensitive and specific test for diagnosing primary hypothyroidism?
- Thyroid-stimulating hormone (TSH) test ✔️
- Total T3 (triiodothyronine) test
- Free T4 (thyroxine) test
- Thyroid ultrasound
- High levels of TSH and low levels of T4 indicate which condition?
- Hyperthyroidism
- Hypothyroidism ✔️
- Thyroiditis
- Goiter
- Which thyroid function test is used to evaluate the conversion of T4 to T3?
- TSH test
- Total T4 test
- Total T3 test
- Free T3 test ✔️
- The presence of which antibody is indicative of autoimmune thyroid disease?
- Anti-TSH antibody
- Anti-TPO antibody ✔️
- Anti-T4 antibody
- Anti-T3 antibody
- What does a low TSH and high T4 level indicate?
- Hyperthyroidism ✔️
- Hypothyroidism
- Euthyroidism
- Thyroid cancer
- A thyroid scan using radioactive iodine (RAI) is helpful in diagnosing which condition?
- Graves’ disease ✔️
- Hashimoto’s thyroiditis
- Thyroid nodules
- Thyroid cancer
- Which test is used to assess the ability of the thyroid gland to trap iodine?
- TSH test
- Thyroid ultrasound
- Thyroid scan ✔️
- Thyroid antibody test
- Which thyroid function test is useful in monitoring patients on thyroid hormone replacement therapy?
- TSH test ✔️
- Total T3 test
- Total T4 test
- Free T4 test
- Elevated levels of TSH with low levels of T4 and T3 may suggest which condition?
- Hyperthyroidism
- Hypothyroidism ✔️
- Thyroiditis
- Thyroid cancer
- A patient with high TSH, low T4, and positive anti-TPO antibodies most likely has which condition?
- Graves’ disease
- Hashimoto’s thyroiditis ✔️
- Thyroid nodules
- Thyroid cancer
- Which test measures the amount of unbound or active thyroid hormones in the blood?
- Total T4 test
- Total T3 test
- Free T4 test ✔️
- Free T3 test
- Which of the following is not a symptom of hyperthyroidism?
- Weight loss
- Fatigue ✔️
- Heat intolerance
- Muscle weakness
- A low TSH level with normal T4 and T3 levels may indicate which condition?
- Hyperthyroidism
- Hypothyroidism
- Euthyroidism ✔️
- Thyroid cancer
- What does a high TSH level indicate?
- Hyperthyroidism
- Hypothyroidism ✔️
- Euthyroidism
- Thyroid cancer
- Which thyroid function test is used to evaluate the binding capacity of thyroid-binding proteins?
- Total T4 test
- Total T3 test
- Free T4 index ✔️
- Free T3 index
- Which test is used to diagnose and differentiate between primary and secondary hypothyroidism?
- TSH test
- Total T4 test
- Total T3 test
- TRH stimulation test ✔️
- High levels of TSH, T4, and T3 are observed in which condition?
- Hyperthyroidism ✔️
- Hypothyroidism
- Euthyroidism
- Thyroid cancer
- A patient with low TSH, high T4, and T3 levels most likely has which condition?
- Graves’ disease ✔️
- Hashimoto’s thyroiditis
- Thyroid nodules
- Thyroid cancer
- Which test is used to assess thyroid autoimmunity and is often elevated in autoimmune thyroid diseases?
- TSH test
- Total T4 test
- Thyroglobulin antibody test
- Thyroid peroxidase antibody test ✔️
- A patient presents with low TSH, normal T4, and elevated T3 levels. What could be the cause?
- Primary hypothyroidism
- Secondary hypothyroidism
- Hyperthyroidism
- Euthyroid sick syndrome ✔️
- Which test measures the level of thyroglobulin in the blood and is used to monitor thyroid cancer recurrence?
- TSH test
- Total T4 test
- Thyroglobulin test ✔️
- Thyroid antibody test
- What does a low TSH level with high T4 and T3 levels indicate?
- Hyperthyroidism ✔️
- Hypothyroidism
- Euthyroidism
- Thyroid cancer
- A patient with low TSH, normal T4, and low T3 levels may have which condition?
- Hyperthyroidism ✔️
- Hypothyroidism
- Euthyroidism
- Thyroid cancer
- Which test measures the level of thyroid peroxidase antibodies in the blood and helps diagnose autoimmune thyroid diseases?
- TSH test
- Total T4 test
- Thyroglobulin antibody test
- Thyroid peroxidase antibody test ✔️
- An elevated TSH with normal T4 and T3 levels may indicate which condition?
- Hyperthyroidism
- Hypothyroidism ✔️
- Euthyroidism
- Thyroid cancer
- Which test measures the level of thyroid-stimulating immunoglobulins (TSI) and is used to diagnose Graves’ disease?
- TSH test
- Total T4 test
- TSI test ✔️
- Thyroid ultrasound
- A patient with high TSH, low T4, and normal T3 levels may have which condition?
- Hyperthyroidism
- Hypothyroidism ✔️
- Euthyroidism
- Thyroid cancer
The questions are typically designed to assess the technical skills and knowledge required for the laboratory profession, including the ability to analyze laboratory test results, perform laboratory procedures, and maintain laboratory equipment.
To prepare for these MCQs, candidates should have a thorough understanding of the key concepts and principles of laboratory science. They should also be familiar with common laboratory equipment and procedures, as well as laboratory safety protocols.
Candidates may also benefit from studying specific laboratory science textbooks or taking online courses that cover the material tested in the MCQs. Additionally, practicing sample MCQs and reviewing the answers can help candidates identify areas where they may need to improve their knowledge or skills.
Overall, the MCQs for lab technologists are designed to be challenging and comprehensive, requiring candidates to demonstrate a high level of proficiency in the field of laboratory science.
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