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BIO 139 Lab Exam #1 (BIO 139 BCTC Danielle Lyons) 2024!!
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BIO 139 Lab Exam #1 (BIO 139 BCTC Danielle Lyons) 2024!!
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Name: Score:122 Multiple choice questions
Term 1 of 122
What is a first-degree heart block?
Increase blood pressure, increase impulses increased pns and decrease sns, decrease bp
Incorrect timing, P and QRS waves are seen.
Some p waves are not conducted through av node; hence more p waves than qrs
complexes are seen
Chaotic, grossly irregular ekg deflections are seen.
,Term 2 of 122
Neutrophil characteristics and function.
Bioconcave disk with depressed center
-Transports respiratory gases in all tissues
chaotic, grossly irregular EKG deflections are seen.
Multilobed nucleus, pale red & blue cytoplasmic granules.
-Bacteria slayers via respiratory burst. Has an inflammatory role.
Kidney shaped nucleus, abundant pale blue cytoplasm
-Turn into macrophages to fight against viruses
Definition 3 of 122
CO will decrease because the heart is being given less time to fill.
What are the three main factors that influence total peripheral resistance?
Eosinphil characteristics and function.
What is the relationship between HR and SV?
Predict the CO you will achieve by pumping as fast as possible. Explain your reasoning.
,Definition 4 of 122
amount of blood pumped in one minute
CO=HR x SV
Pulse Pressure
Cardiac Output
Heart Rate
Apical Pulse
Definition 5 of 122
Kidney shaped nucleus, abundant pale blue cytoplasm
-Turn into macrophages to fight against viruses
Describe the flow of blood through the heart.
Monocyte characteristics and function.
Eosinphil characteristics and function.
Basophil characteristics and function.
, Term 6 of 122
Excessive sweating will result in a short term _______ in blood volume and a ______ in blood pressure.
the atria
decrease, decrease
1. Vessel diameter
2. Heart rate
3. Contractility
Decrease VR, decrease SV, decrease CO, decrease BP
Term 7 of 122
Describe the flow of blood through the heart.
Deoxygenated blood ->superior and inferior vena cava -> right atrium -> tricuspid valve ->
right ventricle -> pulmonary semilunar valve -> pulmonary arteries -> lungs -> oxygenated
blood -> pulmonary veins -> left atrium -> bicuspid (mitrial) valve -> left ventricle -> aorta
Vascular resistance, blood viscosity, turbulance
increased plasma osmolarity
Increased HR resulting from increase BP in or increased distension of the large systemic
veins and the right upper chamber of the heart
Definition 8 of 122
ventricular depolarization and contraction
Pr interval
QRS complex
P wave
Diastole
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