w/Lab | Final Exam Review 90+ Questions
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Final Exam Review — 90+ Questions
Correct Answers Included
Question 1
Covering cuts, scratches, or open wounds with waterproof dressing is not required when
handling blood as long as you wear gloves.
False
Question 2
In the capillaries, ______ enters the bloodstream as waste from the surrounding tissues.
Carbon dioxide
Question 3
Coagulation is the process of turning blood from a gel into a liquid to prevent clot formation.
False
Question 4
An anticoagulant is any substance that ______ coagulation and blood clotting.
Opposes
,Question 5
What is the final step in erythropoiesis that leads to the formation of mature red blood cells?
Expulsion of organelles from reticulocytes
Question 6
A pulse oximeter measures percent saturation by using red and infrared light to assess oxygen
levels in the blood.
True
Question 7
A red blood cell with a high mean corpuscular hemoglobin (MCH) would be classified as:
Hyperchromic
Question 8
If one of the steps of hemostasis fails, what is the most likely outcome?
Hemorrhage and excessive bleeding
Question 9
Which of the following best explains how the blood maintains homeostasis in the body?
By transporting essential substances such as oxygen, nutrients, hormones, and waste
products
Question 10
The unique property of cardiac muscle tissue that allows it to initiate its own electrical potential
at a fixed rate is called ______.
Autorhythmicity
, Question 11
The septum prevents the impulse from directly reaching the ventricles without passing through
the AV node.
True
Question 12
Which structure in the heart delays the electrical impulse to allow the atria to contract before the
ventricles?
Atrioventricular (AV) node
Question 13
The volume of blood ejected from each ventricle during a single heartbeat is known as:
Stroke volume
Question 14
Which blood vessel carries oxygenated blood from the lungs to the left atrium?
Pulmonary veins
Question 15
The first heart sound ("lub") is produced by the closure of which valves?
Atrioventricular (AV) valves
Question 16
What is the main function of the sinoatrial (SA) node?
Acts as the pacemaker of the heart