Exam (elaborations)
Cardiovascular System Detailed Questions and Expert Answers
- Course
- Cardiovascular system
- Institution
- Johns Hopkins University
Cardiovascular System Detailed Questions and Expert Answers
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Cardiovascular System Detailed Questions andExpert Answers
What four parts make up blood? - ANS 1. Plasma, 2. WBC (leukocytes), 3.RBC
(erythrocytes), and 4. Platelets (thrombocytes)
What is the most abundant type of blood cell? - ANS RBC (erythrocytes)
Name 3 functions of blood - ANS 1. Distribution: distributes oxygen from lungs,
distributes nutrients from digestive tract to all of the body, eliminates waste
products
2. Regulation: helps maintain appropriate body temperature, maintains normal PH
balance in body tissue, maintains adequate fluid volume in the circulatory system
3. Protection: Prevents blood loss, Prevents infection
What is the function of RBC's? - ANS deliver oxygen and remove carbon dioxide
What protein is found in RBC's? - ANS Hemoglobin makes cells red because of iron
- carries gases
What is the function of platelets? - ANS clotting material
What type of blood cell lacks a nucleus? - ANS RBC
, Which blood cells increase in number in response to an infection? - ANS WBC
What is the name of the protective membrane surrounding the heart? - ANS The
heart is enclosed in a double membrane sac called the pericardium. The
pericardium is made of the visceral layer (epicardium) and the parietal layer.
Which layer of the heart contains cardiac muscle tissue? - ANS The middle layer,
called the myocardium, consists of cardiac muscle (thickest layer); (myo- means
muscle)
What separates the right side of the heart from the left? - ANS The left and right
sides of the heart are completely separated by the septum - blood from the two
sides never mixes!
What blood vessel is connected to the right atrium? - ANS Superior and Inferior
Vena Cavae
What blood vessel is connected to the right ventricle? - ANS Pulmonary Artery
What type of blood does the right side of the heart pump? - ANS Deoxygenated
Blood
Blood that enters the right side of the heart comes from the - ANS Body
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