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- BIO 202
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- Northern Arizona University
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BIO 202 Practice Exam 3Blood Vessels
1. What type of capillaries are found in the spleen?
a. Fenestrated
b. Continuous
c. Sinusoid
d. None of are
2. The layer containing endothelium on blood vessels is called:
a. Tunica externa
b. Tunica media
c. Tunica interna
d. Tunica visceral
3. Veins compared to arteries are (select all that apply):
a. Smaller lumen
b. Larger lumen
c. Have valves
d. Contains elastic element
e. Lacks muscular layer
f. Thicker walled
4. A nurse has been standing on his feet all day long during his 12 hours shift. If his
hydrostatic pressure on the venous end of the leg capillaries is 35 mm Hg and his colloid
osmotic pressure 25 mm HG, what would the net pressure be and what would that due?
a. -10 mm Hg, increased filtration causes edema
b. +10 mm Hg, increased filtration causes edema
c. +10 mm Hg, increased absorption causes edema
d. -10 mm Hg, increased absorption causes edema
Lymphatics
5. Which of the following is NOT a function of the lymphatic system?
a. Drain interstitial fluid
b. Transport of hormones throughout the body
c. Protection against invaders
d. Transport of dietary lipids
6. (True/False) Swollen lymph nodes are the result of increased number of lymphocytes present in
germinal centers in response to bacterial or viral invasion or cancer.
7. The three types of tonsils include:
a. palantine, pharyngeal, lingual
b. lingual, mandibular, palantine
c. pharyngeal, nasal, lingual
d. none of the above are correct
8. Which of the following is NOT true of the lymphatic system:
a. lymph vessels pick up fluid leaving the cardiovascular system because they have a lower
pressure
b. Smooth muscle around the vessels move lymph through the body
c. vessels are extremely impermeable to pathogens, proteins and cell debris to keep the
body safe
d. Respiratory pumps help bring fluid to the superior portion of the body
e. all of the above are true
9. Which is true about Lymph nodes:
, BIO 202 Practice Exam 3
a. Germinal centers contain macrophages and lymphocytes to fight infection
b. There are typically more efferent vessels than afferent vessels associated with the lymph
nodes
c. The afferent vessel exits from the hilum
d. Trabeculae split the lymph node into nodules
e. Two of the above
10. Some functions of the spleen include:
a. destruction of red blood cells
b. filtration of blood
c. secretion of epinephrine
d. a and b
e. all of the above
11. Which of the following is not an area in which lymph nodes are concentrated?
a. Mesenteric
b. Popliteal
c. Axillary
d. Inguinal
e. Cervical
f. All of the above
Respiratory
12. Carbonic anhydrase (CAH) is an enzyme
a. That is located in the erythrocyte
b. that converts carbonic acid (H2CO3) into water and CO2
c. that is necessary for glycolysis
d. a and b
e. all of the above
13. Which of the following is the correct flow of air?
a. Main bronchi, larynx, respiratory bronchioles, trachea, alveoli, pharynx
b. nasal cavity, pharynx, larynx, trachea, bronchi, respiratory bronchioles, alveoli
c. larynx, pharynx, trachea, bronchi, terminal bronchioles, alveoli
d. nasal cavity, larynx, bronchi, terminal bronchioles, pharynx, alveoli,
e. trachea, alveoli, nasal cavity, respiratory bronchioles, pharynx, bronchi
14. When muscles begin to do heavy work, there is a resultant increase in CO2, heat, and H+. These
conditions will cause _________.
a. A left shift of the oxyhemoglobin dissociation curve
b. oxygen to unload more readily from the hemoglobin heme sites
c. none of the above
d. all of the above
15. Which of the following is a muscle involved in inspiration?
a. Internal intercostals
b. External intercostals
c. abdominal obliques
d. Rectus abdominus
e. All of the above
16. The respiratory zone is made up of the:
a. terminal bronchioles, alveolar sac, alveoli, alveolar duct
b. alveoli, alveolar duct, respiratory bronchioles, alveolar sac
c. tertiary bronchi, alveoli, alveolar sac, trachea
d. oropharynx, respiratory bronchiole, alveoli, alveolar sac
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