The hormone primarily responsible for the milk let-down reflex is _________.

A) prolactin.
B) estrogen.
C) progesterone.
D) oxytocin.
E) growth hormone.


D) oxytocin.

Anatomy & Physiology

You might also like to view...

For several hundred years it was believed that _____ were poisonous.

a. watermelons b. grapes c. tomatoes d. poppy seeds

Anatomy & Physiology

The superior orbital fissure is formed in the sphenoid bone, whereas the inferior orbital fissure is formed between the sphenoid and ________

A) maxilla B) lacrimal C) palatine D) ethmoid

Anatomy & Physiology

Which of the following is not true of respiratory alkalosis?

A. It can result in death, if the blood pH reaches 8.0 or above. B. It can result from an increase in the CO2 level in the blood.  C. It exists when the blood pH is >7.45. D. It causes vasoconstriction of the cerebral blood vessels, which decreases oxygen delivery to the brain. E. All of these are true of respiratory alkalosis.

Anatomy & Physiology

Which of the following is a double-stranded protein that blocks actin-binding sites?

A) myosin B) DNA C) tropomyosin D) troponin

Anatomy & Physiology