The term fetus is used:

a. after the first 8 weeks of pregnancy
b. after the blastocyst has implanted in the uterine wall
c. during the entire pregnancy
d. from fertilization to the end of the eighth week of pregnancy



a. after the first 8 weeks of pregnancy

Anatomy & Physiology

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Blood from the esophagus may return to the heart through both the superior and inferior vena cavae.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

Which of the following is a sympathetic chain ganglion?

A) celiac ganglion B) inferior mesenteric ganglion C) superior mesenteric ganglion D) paravertebral ganglion E) All of the answers are correct.

Anatomy & Physiology

Hyperventilation is stimulated by ________.

A. hypercapnia B. decreased contraction of the scalenes C. increased activity of the apneustic center D. hypoxemia

Anatomy & Physiology

________ account for 98.5% of the body's weight

A) Carbon, oxygen, hydrogen, sodium, potassium, and chlorine B) Carbon, oxygen, hydrogen, nitrogen, calcium, and phosphorus C) Carbon, oxygen, iron, sodium, potassium, and chlorine D) Carbon, nitrogen, hydrogen, sodium, potassium, and chlorine E) Carbon, oxygen, hydrogen, nitrogen, sodium, and potassium

Anatomy & Physiology