Oxytocin is a hormone which stimulates uterine contractions under a positive feedback mechanism.

a. true
b. false


Ans: a. true

Anatomy & Physiology

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An increase in cardiac sympathetic activity ____________________ the stroke volume

Fill in the blank(s) with correct word

Anatomy & Physiology

"Lactational amenorrhea" is a physiological phenomenon that parallels a common cause of infertility due to elevated levels of:

A. prolactin B. oxytocin C. progesterone D. inhibin E. dopamine

Anatomy & Physiology

Filtrate reabsorption, which occurs regardless of the concentration and volume of urine produced, is referred to as

A. active. B. obligatory. C. facultative. D. countercurrent. E. nonessential.

Anatomy & Physiology

Which of the following might trigger erythropoiesis?

A) an increased number of RBCs B) decreased tissue demand for oxygen C) hypoxia of EPO-producing cells D) moving to a lower altitude

Anatomy & Physiology