Which ovarian hormone is secreted at negligible levels during the first half of the ovarian cycle?
a. estrogen
b. progesterone
c. LH
d. FSH
e. prolactin
B
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The subarachnoid space lies between what two layers of meninges?
A) arachnoid and epidura B) arachnoid and pia C) arachnoid and dura D) dura and epidura
Is genetic diversity due entirely to inherited genes on the sex chromosomes?
A) Yes, because the female has two X chromosomes and the male has only one X chromosome. B) Yes, because genetic diversity is due to the Y influence on the autosomes. C) Yes, because the male has a Y chromosome. D) No, because genetic diversity has nothing to do with the sex chromosomes but is due to crossing-over of chromosomes, independent assortment of chromosomes, and segregation of chromosomes.
Intestines have many folds on their surface, and this increase in surface area makes absorption of nutrients faster and more efficient. This is an example of __________.
Fill in the blank(s) with the appropriate word(s).
When determining the correct-sized nasogastric tube for a patient, you should measure the tube:
A) from the nose to the ear and to the xiphoid process. B) from the nose to the chin and to the epigastric region. C) from the mouth to the chin and to the xiphoid process. D) from the nose, around the ear, and to the xiphoid process.