Braxton-Hicks contractions tend to be
A. increasingly intense as time passes.
B. irregularly spaced and do not become more frequent as time passes.
C. regular in timing but relatively weak.
D. regular and increasingly frequent as time passes.
Answer: B
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This figure shows the endocrine system. Which structure does number 4 indicate?
A. Adrenal gland B. Thyroid gland C. Pituitary gland D. Pancreas E. Hypothalamus
The hypophyseal portal system connects the ________ with the ________.
A. anterior pituitary; posterior pituitary B. posterior pituitary; hypothalamus C. pituitary glands; thyroid D. hypothalamus; thyroid E. anterior pituitary; hypothalamus
Which ramus provides sensory and motor innervation to the skin and skeletal muscles of the back?
A) lateral ramus B) rami communicantes C) anterior ramus D) posterior ramus E) medial ramus
The nurse cells of the seminiferous tubules do all of the following except
A) maintain the blood testis barrier. B) support spermiogenesis. C) secrete inhibin. D) secrete testosterone. E) secrete androgen-binding protein.