Osteoporosis is most common in elderly women due to their lack of what?

A. Osteoclast activity
B. Dietary calcium
C. Vigorous exercise
D. Parathyroid hormone
E. Estrogen


Answer: E

Anatomy & Physiology

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The joint between the atlas and axis and between the radius and ulna are examples of __________ joints.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Your friend was in an automobile accident in which his spleen was ruptured. Which of the following is least likely based on this knowledge?

A) The accident caused trauma to the left upper abdominal quadrant. B) The spleen must be repaired or your friend will die. C) The rupture resulted in the escape of red blood cells into the peritoneal cavity. D) The inferior lobe of the left lung may also have been injured. E) Ribs 9–11 on the left side were fractured.

Anatomy & Physiology

Contraction of the circular smooth muscle in the gastrointestinal tract wall decreases the diameter of the lumen, while contraction of the longitudinal smooth muscle shortens the tract

Indicate whether the statement is true or false.

Anatomy & Physiology

The layers of the alimentary canal, from outside to inside, are the ________.

A. mucosa, muscular, submucosa, and serosa B. serosa, muscular, submucosa and mucosa C. mucosa, submucosa, muscular and serosa D. serosa, muscular, mucosa and submucosa

Anatomy & Physiology