During the late follicular phase, ______ provides positive feedback for the release of tropic hormones from hypothalamus and anterior pituitary gland.

a. GnRH
b. hCG
c. progesterone
d. estrogen


Answer: d. estrogen

Anatomy & Physiology

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Identify the indicated blood vessel

What will be an ideal response?

Anatomy & Physiology

Which of the following events during cell division creates genetic variation amongst the gametes? (Check all that apply.)

A. Genetic exchange between chromatids of replicated chromosomes B. Crossing over C. Random assortment of chromosomes along the equatorial plane D. Genetic exchange between chromatids of homologous chromosomes

Anatomy & Physiology

The repeated units of compact bone are called:

a. osteons b. lacunae c. trabeculae d. canaliculi

Anatomy & Physiology

With advancing age, the lymphatic system

A. produces an increasing number and variety of B-lymphocytes. B. becomes less efficient at absorbing dietary lipids. C. is less responsive to antigens. D. ceases to transport lymph. E. All of the choices are correct.

Anatomy & Physiology