The Human Body: An Orientation 1 The Human Body: An Orientation

1. All chemical reactions that occur in the body are grouped under histology. endocrinology. metabolism. cytology. Answer: c) metabolism.

2. The popliteal surface is the skull. back of the knee. front of the knee. back of the heel. Answer: b) back of the knee.

3. The sagittal plane cuts one into anterior and posterior portions. right and left portions. equal right and left portions. superior and inferior portions. Answer: b) right and left portions.

4. The region that includes most of the ribs is the epigastric region. hypochondriac region. lumbar region. iliac region. Answer: b) hypochondriac region.

5. This space is between the lungs and the inner lining of the thorax. Pleural Pulmonary Peritoneal Mesentery Answer: a) Pleural

6. Gross anatomy is the study of body structures too small to be seen with the naked eye. that are large and easily observable. belonging to the intestinal tract. that are really disgusting. Answer: b) that are large and easily observable.

7. The integumentary system is the body’s fastest acting control center. responsible for producing hormones. responsible for returning fluid to the circulatory system. the external covering of the body. Answer: d) the external covering of the body.

8. Producing blood cells (hematopoiesis) occurs in the ______ system. endocrine integumentary skeletal cardiovascular Answer: c) skeletal

9. Most often, homeostasis is maintained by positive feedback. True False Answer: b) False

10. In the anatomical position, the body is lying face up. lying face down. erect with feet parallel and arms at the sides with palms forward. erect with feet parallel and arms hanging at the sides with palms facing backward. Answer: c) erect with feet parallel and arms at the sides with palms forward.

11. Once a stimulus is received by a receptor, it approaches the control center by a(an) afferent pathway. efferent pathway. motor pathway. reflex pathway. Answer: a) afferent pathway.

12. The antebrachial region can be found on the skull. arm. leg. ankle. Answer: b) arm.

13. The elbow is ____ to the wrist. inferior lateral proximal distal Answer: c) proximal

14. This organ, which is part of the digestive tract, produces bile to break down fats. Pancreas Spleen Liver Gallbladder Answer: c) Liver

15. This system picks up fluid leaked from blood vessels and returns it to the blood. Integumentary Endocrine Cardiovascular Lymphatic Answer: d) Lymphatic

16. This imaging method involving hydrogen molecules is used to view soft tissues. MRI PET CT DRS Answer: a) MRI

17. This imaging method requires the injection of short-lived radioisotopes that have been tagged to substances like glucose. MRI PET scan CAT scan Sonogram Answer: b) PET scan