Questions and Answers 100% Correct
1. Which of the following best describes the function of melanocytes: Produc- tion of
melanin
( Melanocytes produce melanin that protect the body from ultraviolet radiation.
2. In the human body, which of the following body parts are in a superior position
to the lungs?: Trachea and brain
3. The part of the arm that is most distal to the shoulder of the human body:
The thumb is farthest away from the shoulder
4. Which terms add clarity to anatomical position relative to the coronal plane?:
Coronal or frontal plane is a front and back division (Anterior and posterior).
5. Which two terms are likely to appear in the same discussion related to a part of the
body: Dorsal and lumbar
6. Which of the following list the primary parts of the heart?: Muscle tissue split into four
chambers
7. Which of the following blood components is responsible for transporting oxygen?:
red blood cells
8. Which of the following chambers pumps blood toward the lungs?: Right ventricle
9. Which of the following statements best describes the function of veins?: -
Veins carry blood back to the heart.
10. Which of the following structures changes the volume of the lungs?: Di- aphragm
11. Which of the following statements best explains how the structure of alveoli
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, relates to its function?: The walls the alveoli are thin to increase the rate of diffusion
12. Which of the following statements best describes the primary function of the
respiratory system?: It exchanges gases between the blood and the air in an environment
13. Which of the following correctly describes the make up of the lungs?: Right lung, three
lobes, left lung, two lobes
14. In which of the following organs does the digestion begin?: Mouth
15. In which of the following organs does the breakdown of proteins begin?: -
Stomach
16. Which of the following structures absorbs nutrients in the small in-
testines?: Microvilli
17. Which of the following statements best describes peristalsis?: Muscle con- tractions
that move food through the digestive tract.
18. Which of the following actions are controlled by voluntary nerve signals?-
: Walking and Talking
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