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RMA 5-10
Units 5 thru 10 RMA review
Question | Answer |
---|---|
Blood is a type of what tissue? | Connective tissue |
The cellular components of blood are: | Leukocytes, erythrocytes, and platelets. |
The cellular components of blood are manufactured where? | Bone Marrow |
What is the main function of erythrocytes? | To transport oxygen from the lungs to the tissues and to carry carbon dioxide from the tissues to the lungs for expiration. |
What is the main function of leukocytes? | To protect the body from infection. |
What is the main function of platelets? | Coagulation |
What are the three major types of blood vessels? | Capillaries, Veins, and arteries. |
What is the function of Capillaries? | Exchanges oxygen, nutrients, and carbon dioxide with the tissues. |
What is the function of veins? | To carry blood back to the heart. |
What is the function of arteries? | To carry oxygenated blood away from the heart. |
Where is the heart located? | In the mediastinum 2/3 to the left and 1/3 to the right of sternum. |
What divides the heart into it's four chambers? | septum |
When blood leaves the right atrium to the right ventricle, what valve does it pass through? | Tricuspid valve. |
When blood leaves the right ventricle to the pulmonary artery, what valve does it pass through? | Pulmonary semilunar valve. |
When blood passes through the left atrium to the left ventricle, what valve does it pass through? | Bicuspid (Mitral) valve. |
When blood passes from the left ventricle to the aorta, what valve does it pass through? | Aortic semilunar valve. |
What are the three layers of the heart? | Epicardium, myocardium, endocardium. |
What blood vessel provides oxygen and nutrients to the heart? | The coronary arteries. |
What is considered the working part of the heart? | The myocardium. |
What is the two layered sac with lubricated space covering the heart? | Pericardium. |
What are the organs of the upper respiratory system? | Nose, pharynx, larynx, upper trachea |
What are the organs of the lower respiratory system? | Lower trachea, bronchi, lungs |
What in the upper respiratory system traps bacteria and foreign particles harmful to the body? | Nasal hairs and cilia. |
What cells are "the sense of smell" | olfactory receptor cells. |
What are hollow areas within a bone lined with mucous membrane? | Sinuses. |
What is the function of sinuses? | To produce mucous, lighten the skull, and provide for different quality of sounds in speech. |
What is the function of the epiglottis? | To direct food to the esophagus, and air past the larynx to the trachea. |
After bronchi, what is the next lower branch in the respiratory system? After that? | Bronchioles. Then alveoli. |
What surrounds the alveoli that absorbs oxygen and releases wastes? | Capillaries. |
What is the serous membrane that keeps the lungs moist, aids in the mechanics of breathing, separates and covers the lungs? | Pleura |
What are the three divisions of the pharynx? | Oropharynx, Nasoharynx, laryngopharynx. |
What are the four paranasal sinuses? | Maxillary, frontal, sphenoidal, ethmoidal. |
The larynx is commonly known as the voice box. What is commonly known as the vocal cords. | Glottis. |
What is the wall of cartilage that divides the nasal cavity? | Septum. |
What are the organs of the GI tract? | Oral cavity, pharynx, esophagus, stomach, small and large intestines. |
What are the accessory organs of the GI tract? | Liver, gallbladder, pancreas. |