FIRST PUBLISH OCTOBER 2024
BIO 116: Exam 1 Questions and Answers
The cardiovascular system consists of: - Ans:✔✔-heart, blood vessels, and blood
Blood ______ dissolved gases, nutrients, hormones, and metabolic wastes. - Ans:✔✔-transports
Blood regulates _____ composition & ______. - Ans:✔✔-pH/ion and body temperature
Blood restricts _____ and defends against _____. - Ans:✔✔-fluid loss; toxins/pathogens
What does whole blood consist of? - Ans:✔✔-plasma and formed elements
_____ is composed of water, plasma proteins (Albumins, Globulins, Fibrinogen, hormones), and Other
solutes (nutrients and waste) - Ans:✔✔-Plasma
_____ are composed of RBCs, WBCs, and platelets. - Ans:✔✔-Formed elements
Packed cell volume (PCV). The % of whole blood that is composed of red blood cells. - Ans:✔✔-
Hematocrit
Which specific plasma proteins would you expect to be elevated during an infection? - Ans:✔✔-
Antibodies (immunoglobulins)
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FIRST PUBLISH OCTOBER 2024
Hematopoietic stem cells. Produces lymphoid and myeloid stem cells. - Ans:✔✔-Hemocytoblasts
Myeloid stem cells differentiate into megakaryocytes which eventually shed cytoplasm in small,
membrane enclosed packets called ______. They release chemicals that stimulate blood clotting. -
Ans:✔✔-Platelets
The study of blood. - Ans:✔✔-hematology
_____ determines the following in 1 microliter of blood: RBC, WBC, hemoglobin, hematocrit, and others.
- Ans:✔✔-Complete blood count (CBC)
What condition would a patient have if she had a depressed hematocrit level? - Ans:✔✔-anemia
What are 3 functional aspects of red blood cells? - Ans:✔✔-large surface area to volume ratio, form
stacks (rouleaux), and flexible
Makes oxygenated blood bright red. (Hemoglobin combined with oxygen.) - Ans:✔✔-Oxyhemoglobin
A protein composed of four globular sub units, each bound to a heme molecule, which gives RBC's the
ability to transport O2 in the blood. - Ans:✔✔-Hemoglobin
Makes. blood dark red. (Hemoglobin without oxygen.) - Ans:✔✔-Deoxyhemoglobin
In what way would a liver disease affect the level of bilirubin in the blood? - Ans:✔✔-Bilirubin would
accumulate in the blood producing and the liver would not be able to excrete bilirubin in the bile.
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