Test Part

DO NOT REFER TO THE TEXT WHEN TAKING THIS TEST. A good score is at least 18 (out of 25 questions) correct. Answers are in the back of the book. It's best to have a friend check your score the first time, so you won't memorize the answers if you want to take the test again.

1. The circulatory (cardiovascular) system equals the:

  • a) Heart plus vascular network plus blood connective tissue
  • b) Blood plus lymph plus renal fluid
  • c) Heart, lungs, blood, and blood vessels
  • d) Stomach, groin, liver, and veins
  • e) R-E system and the heart-lymph connection

2. The tiniest type of blood vessels:






3. Cardiac muscle tissue lies within the_in the heart wall:

  • a) Parietal pericardium
  • b) Myocardium
  • c) Endocardium
  • d) A-V valves
  • e) Visceral pericardium

4. Flat, scale-like cells lining the interior of all blood vessel walls:

  • a) Glandular
  • b) Mucous
  • c) Endothelial
  • d) Epithelial
  • e) Fibroblasts

5. The outer coat of a vessel consisting largely of dense fibrous connective tissue:

  • a) Pericardium
  • b) Tunica externa or adventitia
  • c) Parietal pleura
  • d) Tunica media
  • e) Ligamentum

6. Always carry blood away from the heart:

  • a) Venules
  • b) Arteries
  • c) Veins
  • d) Venous sinuses
  • e) Lymphatic ducts

7. The common pulmonary artery and aortic arch belong to this general classification:

  • a) Elastic or conducting arteries
  • b) Peripheral veins
  • c) Muscular or distributing arteries
  • d) Capillary network
  • e) Lymph-carrying tubes

8. Always carry blue blood:

  • a) All veins
  • b) Pulmonary arteries
  • c) Systemic arteries
  • d) All arteries
  • e) Pulmonary veins

9. The two largest veins in the body:

  • a) Hepatic and abdominopelvic
  • b) Superior and inferior vena cavae
  • c) Femoral and sciatic
  • d) Jugular and common carotid
  • e) Brachial and axillary

10. The circulation of blood to, through, and from both lungs:

  • a) Systemic
  • b) Hepatic
  • c) Pulmonary
  • d) General
  • e) Coronary

11. The plasma is special because it:

  • a) Like the lymph, is a fluid intercellular substance
  • b) Contains unusually large quantities of sodium
  • c) Has no cells suspended within it
  • d) Transports oxygen, but not CO2
  • e) Has a bright cherry-red color

12. Always settle at the bottom of a centrifuged tube of blood:

  • a) Platelets
  • b) Erythrocytes
  • c) Leukocytes
  • d) Plasma cells
  • e) Antibodies

13. The group of plasma proteins involved in immune reactions:

  • a) Globulins
  • b) Fibrins
  • c) Albumins
  • d) Fibrinogens
  • e) Prothrombins

14. The leukocytes get their name from the fact that:

  • a) They blanche to a pale yellow color when mixed with oxygen
  • b) The entire cell stays white-colored in albino individuals
  • c) Cytoplasm continually "leuks" out across the plasma membrane
  • d) Their nuclei are purplish, but their cytoplasm is clear
  • e) A lot of germs are destroyed by their actions

15. Anucleate, biconcave discs:

(a) Thrombocytes

(b) RBCs

  • c) T-lymphocytes
  • d) B-lymphocytes
  • e) Plasma cells

16. A hematocrit of 45% would suggest that a patient:

  • a) Had about an average percent of erythrocytes within the blood
  • b) Was suffering a severe and possibly fatal hemorrhage
  • c) Really had an unusually high ability to fight invading bacteria
  • d) Circulated blood with a reduced ability to clot
  • e) Showed a strong tendency towards cell lysis

17. A clear filtrate of the blood plasma:

  • a) Fibrinogen
  • b) Lymph
  • c) Soda pop
  • d) Serum
  • e) Agglutinin

18. Achieving a state of immunity suggests that:

  • a) The probability of suffering morbidity is greatly reduced
  • b) A person is approaching a condition of mortality
  • c) The lymphatic system is opposing the R-E network
  • d) Blood is circulating in the wrong direction
  • e) Homeostasis has been permanently maintained

19. Afferent lymphatic vessels:

  • a) Carry clean lymph towards the lymph nodes
  • b) Circle around-and-around the spleen, but never go inside of it
  • c) Merely agitate the lymph up-and-down, rather than transport it
  • d) Carry dirty lymph towards the lymph nodes
  • e) Don't really carry any lymph at all!

20. ''Little almonds'' of lymphatic tissue located in the back of the throat:

  • a) Pancreatic islets
  • b) Nut-so's
  • c) Tonsils
  • d) Pineals
  • e) Mammaries

21. Commonly known as the respiratory ''tree'': (a) The Upper Respiratory Tract

  • b) Terminal bronchioles, only
  • c) Laryngeal prominence
  • d) The Lower Respiratory Tract
  • e) The trachea

22. The process of breathing air into the lungs:

  • a) Respiration
  • b) Expiration
  • c) ''Panting''
  • d) Inspiration
  • e) Perspiration

23. The tongue-shaped opening between the vocal cords:

  • a) Glottis
  • b) Adam's apple
  • c) Facquat's tomato
  • d) Epiglottis
  • e) Eve's orange

24. ''Eyelash''-like projections that sweep away dirt-filled mucus:

  • a) Rough ERs
  • b) Flagellas
  • c) Squamous-shaped endothelial cells
  • d) Cilia
  • e) Hilums

25. The approximate total number of pulmonary alveoli present within both lungs:

  • a) 6,500
  • b) 150,000
  • c) 1,290,456
  • d) 10,000,000 (e) 300,000,000

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"Down-Under" Organ Systems, or the Body Land ''Below Our Belt''

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