Thyroid: Sonosim
Which of the following structures in this transverse view ultrasound image of the anterior neck is correctly identified by its corresponding arrow? - ANSWER-Arrow 2 identifies strap musculature.
Which of the following statements correctly characterizes thyroid hormone regulatory control? - ANSWER--The hypothalamus releases thyrotropin-releasing hormone (TRH).-Thyrotropin-releasing hormone stimulates the release of thyroid-stimulating hormone
(TSH).
-A decrease in TRH and TSH levels results in a decrease in thyroid hormone production.-Both the anterior pituitary gland and hypothalamus play prominent regulatory roles.
Which of the following muscles is classified as one of the strap muscles of the neck? - ANSWER-thyrohyoid muscle
Which of the following interventions are recommended methods of improving thyroid gland imaging? - ANSWER-Have the patient swallow to bring the inferior pole of the thyroid lobe into view.
Calcitonin affects the blood's serum calcium levels by acting at which of the following sites? - ANSWER--Kidney -Bones -Intestines
Which of the following statements correctly characterizes the labeled structures in this transverse view ultrasound image of the anterior neck? - ANSWER-Arrow 3 identifies a thyroid lobe.
The parathyroid glands vary in shape and number amongst the general population. - ANSWER-True
Which of the following statements regarding this long-axis image, taken along a parasagittal plane of the anterior neck, is correct? - ANSWER-Arrow 1 identifies the superior pole of a thyroid lobe.
Which of the following statements correctly characterizes thyroid gland and parathyroid gland sonography? - ANSWER--The thyroid gland should be imaged in sagittal, parasagittal, and transverse body planes.-Normal adult parathyroid glands are not easily seen with sonography.
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