The presence of which hormone in the urine provides a reliable indicator of pregnancy, as detected by home pregnancy tests?
A) human placental lactogen
B) placental prolactin
C) relaxin
D) LH
E) human chorionic gonadotrophin
Answer: E) human chorionic gonadotrophin
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The projections on the superior surface of the tongue, some of which house taste buds, are the
A. tonsils. B. cilia. C. rugae. D. glossal spines. E. papillae.
What is the early stage of embryonic development during which rapid mitotic cell divisions occur as the zygote travels down the uterine (fallopian) tube?
A) the acrosomal reaction B) cleavage C) fertilization D) implantation
Which of the following represents the largest fluid compartment?
A. Intracellular fluid B. Extracellular fluid C. Interstitial fluid D. Blood plasma E. Lymph
Physical connections of the medulla include
A) all fibers connecting the brain to the spinal cord. B) ascending tracts, but not descending tracts, from the brain. C) descending tracts, but not ascending tracts, to the brain. D) direct links between the spinal cord and cerebellarl hemispheres. E) All of the answers are correct.