Which is a result of consuming a diet deficient in iodine?
A. low plasma concentration of thyroid hormones due to reduced secretion of thyroid-stimulating hormone (TSH) by the pituitary gland
B. low plasma concentration of thyroid hormones and an enlarged thyroid gland
C. high plasma concentration of thyroid-stimulating hormone (TSH) due to a deficiency of thyrotropin-releasing hormone (TRH)
D. high plasma concentration of thyroid hormones due to increased secretion of TSH by the pituitary gland
E. low plasma concentration of thyroid hormones and atrophy of the thyroid gland due to reduced concentrations of thyroid-stimulating hormone (TSH)
B
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A conceptus is most vulnerable to teratogen exposure during what time frame?
A. Within 48 hours of fertilization B. 16 to 20 weeks after fertilization C. 24 hours before ovulation D. 20 to 30 weeks after fertilization E. 3 to 8 weeks after fertilization
The first part of the pancreas that typically appears on axial sectional images that are arranged in descending order is the tail.
Answer the following statement true (T) or false (F)
The _________________________ valve controls the blood flow passing into the pulmonary trunk.
Fill in the blank(s) with the appropriate word(s).
This muscle has its origin on the manubrium and sternal end of the clavicle and its insertion on the mastoid process
A. Longissimus capitis B. Sternocleidomastoid C. Scalene D. Splenius capitis E. Splenius cervicus