The ligamentum arteriosum is the remnant of the fetal
A) foramen ovalis.
B) ductus venosus.
C) ductus arteriosus.
D) umbilical arteries.
E) umbilical vein.
Answer: C
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The largest lymphoid tissue(s) is/are the _________.
A) GALT. B) thymus. C) spleen. D) lymph nodes. E) tonsils.
The term "newborn" refers to the period from birth through _____, whereas the term
"infant" refers to the period from _____. A) 3 months; 3 months to 6 months B) the first year; the first year to the second year C) the first four weeks; the first month to 1 year D) one week; the second week through the second year
The target organ of thyrotropic hormone (TH), or thyroid-stimulating hormone (TSH), is the ________ gland.
A) adrenal B) pineal C) pituitary D) thyroid
Where do endocrine glands release their secretions?
A. Into a gland duct B. Into the bloodstream C. Onto the skin surface D. Into the brain tissue E. Into the digestive tract