A failure of the palate to fuse medially results in a condition called __________ palate.
Fill in the blank(s) with the appropriate word(s).
cleft
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As seen on axial CT images, what portions of the liver are separated by the round ligament?
A. right lobe from the left lobe B. caudate lobe from the quadrate lobe C. caudate lobe from the left lobe D. quadrate lobe from the left lobe
Answer the following statements true (T) or false (F)
1. Steroid hormone receptors are in the nucleus of the cell. 2. Steroid hormones do not need a second messenger because they are able to pass through the cell membrane. 3. A cell with an abnormally low number of ribosomes would slow down the effect of a steroid hormone. 4. TSH causes an increase in thyroid hormones when their blood level is too low. This is an example of a positive feedback mechanism. 5. Most hormones use a negative feedback system for regulation.
Underneath the endothelium of arteries is a layer of
A) collagen fibers. B) adipose tissue. C) elastic fibers. D) smooth muscles. E) None of the answers are correct.
Six-year-old Timothy is small for his age and shows signs of mental retardation. What disorder do you suspect?
A) goiter B) pituitary dwarfism C) myxedema D) exophthalmos E) cretinism