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PLTW PBS EOC Study Guide (all units of PLTW PBS for the EOC Exam) Actual Q&A, 2025/2026., Exams of Nursing

PLTW PBS EOC Study Guide (all units of PLTW PBS for the EOC Exam) Actual Q&A, 2025/2026. _____________Quiz____________? plasma - Answer✓✓ liquid portion of blood, the largest component, contains water, salt, antibodies, and protein _____________Quiz____________? erythrocytes (RBCs) - Answer✓✓ 45% of blood, contains hemoglobin which gives blood its red color _____________Quiz____________? leukocytes (WBCs) - Answer✓✓ cells of the immune system, an excess of WBCs can lead to diseases like cancer _____________Quiz____________? platelets - Answer✓✓ perform clots to repair damage, low platelet levels can be a side effect of medication or pregnancy

Typology: Exams

2024/2025

Available from 07/02/2025

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_____________Quiz____________?
plasma -
Answer
✓✓
liquid portion of blood, the largest component, contains water, salt, antibodies, and protein
_____________Quiz____________?
erythrocytes (RBCs) -
Answer
✓✓
45% of blood, contains hemoglobin which gives blood its red color
_____________Quiz____________?
leukocytes (WBCs) -
Answer
✓✓
cells of the immune system, an excess of WBCs can lead to diseases like cancer
_____________Quiz____________?
platelets -
Answer
✓✓
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Download PLTW PBS EOC Study Guide (all units of PLTW PBS for the EOC Exam) Actual Q&A, 2025/2026. and more Exams Nursing in PDF only on Docsity!

_____________Quiz____________? plasma -

Answer ✓✓

liquid portion of blood, the largest component, contains water, salt, antibodies, and protein _____________Quiz____________? erythrocytes (RBCs) -

Answer ✓✓

45% of blood, contains hemoglobin which gives blood its red color _____________Quiz____________? leukocytes (WBCs) -

Answer ✓✓

cells of the immune system, an excess of WBCs can lead to diseases like cancer _____________Quiz____________? platelets -

Answer ✓✓

perform clots to repair damage, low platelet levels can be a side effect of medication or pregnancy _____________Quiz____________? How does blood flow through the heart? -

Answer ✓✓

Enters through 2 large veins, emptying blood into the right atrium. Blood flows to the right ventricle. _____________Quiz____________? How does blood leave the heart and become oxygenated? -

Answer ✓✓

Leaves heart through the pulmonic valve, into the pulmonary artery and to the lungs. Blood leaves the heart through the aortic valve, into the aorta, and to the body. _____________Quiz____________? antigens -

Answer ✓✓

a structure on the surface of the cell that allows it to be recognized by the immune system. _____________Quiz____________? What antibodies does A blood clot with? -

Answer ✓✓

What does cytosine pair with? -

Answer ✓✓

Guanine. _____________Quiz____________? What does Thymine pair with? -

Answer ✓✓

Adenine. _____________Quiz____________? deoxyribose -

Answer ✓✓

Sugar found in DNA. _____________Quiz____________? phosphate -

Answer ✓✓

Backbone of DNA, (-) charged. _____________Quiz____________? What is pyrimidine and what does it contain? -

Answer ✓✓

1 ring, thymine and cytosine.

_____________Quiz____________? What is purine and what does it contain? -

Answer ✓✓

2 rings, adenine and guanine. _____________Quiz____________? genome -

Answer ✓✓

All of the DNA in one cell of an organism. _____________Quiz____________? organelles -

Answer ✓✓

Tiny structures inside of a cell that produce energy, packaging proteins, housing DNA, and more. _____________Quiz____________? eukaryotic cells -

Answer ✓✓

Make up animals, plants, fungi, and protists (have organelles). _____________Quiz____________?

Enzymes that can cut DNA in specific locations called recognition sites. _____________Quiz____________? RFLPs -

Answer ✓✓

Fragments of DNA. _____________Quiz____________? gel electrophoresis -

Answer ✓✓

Separates DNA by size and electrical charge by moving DNA through a gel that has an electrical current. _____________Quiz____________? What is the charge of DNA? -

Answer ✓✓

DNA is negative so it is attracted to positive charges. _____________Quiz____________? algor mortis -

Answer ✓✓

The process that matches the temperature of your body to the surroundings after death.

_____________Quiz____________? rigor mortis -

Answer ✓✓

When muscles contract or stiffen after death. _____________Quiz____________? What happens 2-4 hours after death? -

Answer ✓✓

The corneas become milky. _____________Quiz____________? What happens 1-145 hours after death? -

Answer ✓✓

Insect activity. _____________Quiz____________? livor mortis -

Answer ✓✓

When blood pools where gravity is after death. AKA lividity. _____________Quiz____________? When does decomposition start? -

Answer ✓✓

What is the function of the ventricles? -

Answer ✓✓

They push blood out of the heart. _____________Quiz____________? What does the right ventricle do? -

Answer ✓✓

The right ventricle sends blood to the lungs to be oxygenated. _____________Quiz____________? What does the left ventricle do? -

Answer ✓✓

The left ventricle send blood to the whole body. This blood contains oxygen and other nutrients. _____________Quiz____________? What is the function of the tricuspid valve (TCV)? -

Answer ✓✓

Allows blood to flow from RA to RV & not flow back into RA. _____________Quiz____________? What is the function of the pulmonary semilunar valve (PSLV)? -

Answer ✓✓

Allows blood to flow from RV into pulmonary artery and not flow back into RV. _____________Quiz____________? What is the function of the mitral (bicuspid) valve? -

Answer ✓✓

Allows blood to flow from LA to LV and not flow back into LA. _____________Quiz____________? What is the function of the aortic semilunar valve (ASLV)? -

Answer ✓✓

Allows blood to flow from LV into aorta and not flow back into LV. _____________Quiz____________? apex of the heart -

Answer ✓✓

The most inferior part of the heart (formed by LV). _____________Quiz____________? septum of the heart -

Answer ✓✓

Atrial or interventricular septum (separates chambers). _____________Quiz____________?

_____________Quiz____________? What is the function of the superior vena cava? -

Answer ✓✓

Carries blood to the heart from the upper body. _____________Quiz____________? What is the function of the inferior vena cava? -

Answer ✓✓

Carries blood to the heart from the lower body. _____________Quiz____________? What do the pulmonary veins do? -

Answer ✓✓

They are the only veins that carry blood with oxygen. _____________Quiz____________? Why are arteries thicker than veins? -

Answer ✓✓

They need to withstand greater pressure and they must regulate blood distribution. _____________Quiz____________? What do the pulmonary arteries do? -

Answer ✓✓

They are the only arteries that carry blood lacking oxygen. _____________Quiz____________? Why are veins thinner than arteries? -

Answer ✓✓

Under low pressure to allow blood to easily drain out of capillaries and they depend on nearby muscles for pressure. _____________Quiz____________? What is the purpose of the valves in veins? -

Answer ✓✓

They prevent the backflow of blood. _____________Quiz____________? pulmonary circulation -

Answer ✓✓

The process of blood being moved to the lungs to pick up oxygen and back to the heart. _____________Quiz____________? systemic circulation -

Answer ✓✓

_____________Quiz____________? atrioventricular node -

Answer ✓✓

Sends an impulse into the ventricles to make them contract. _____________Quiz____________? atrioventricular bundle -

Answer ✓✓

A collection of heart muscles specialized for electrical conduction that transmits the electrical impulse from AV node to point of apex via the bundle branches. _____________Quiz____________? purkinje fibers -

Answer ✓✓

Networks of fibers that receive conductive signals originating at the AV node. They simultaneously activate the left and right ventricles. They also stimulate ventricular myocardium. _____________Quiz____________? angina -

Answer ✓✓

Chest pain or discomfort due to reduced blood flow to the heart.

_____________Quiz____________? coronary artery disease -

Answer ✓✓

A cardiovascular condition in which atherosclerosis occurs in the arteries that supply the heart. _____________Quiz____________? atherosclerosis -

Answer ✓✓

A buildup of plaque in the artery walls. They block blood flow to the heart muscle and increase a patient's risk for heart attack or failure. _____________Quiz____________? What are risk factors for atherosclerosis? -

Answer ✓✓

High cholesterol, diabetes, obesity, smoking, high BP, and aging. _____________Quiz____________? myocardial infarction -

Answer ✓✓

AKA a heart attack. Occurs when oxygen supply to the heart is reduced, causing part of the heart muscle to suddenly die. Commonly results from atherosclerosis or blood clots. _____________Quiz____________?

_____________Quiz____________? congestive heart failure -

Answer ✓✓

When your heart can't pump enough blood to supply the body. The walls of the ventricles are unable to adequately pump blood out of the ventricles which causes an insufficient blood amount to reach the body. _____________Quiz____________? What are the causes of congestive heart failure? -

Answer ✓✓

Structural defects with heart valves, disease of heart muscles (cardiomyopathy), abnormal heart rhythyms (arrhythmias), and heart attacks. _____________Quiz____________? What factors can increase the risk of CHF? -

Answer ✓✓

High BP, coronary artery disease, metabolic syndrome, diabetes, and structural abnormalities of the heart. _____________Quiz____________? What are the symptoms of CHF? -

Answer ✓✓

Fatigue and weakness, shortness of breath, swelling of the lower limbs, decreased alertness, and a reduced ability to exercise. _____________Quiz____________? What is the purpose of the parietal lobe? -

Answer ✓✓

It controls sensory info like tense of touch and coordinates with vision. _____________Quiz____________? What is the purpose of the frontal lobe? -

Answer ✓✓

Responsible for planning, organization of incoming info, and controls behaviors and emotions. _____________Quiz____________? What is the purpose of the temporal lobe? -

Answer ✓✓

It is used for processing language and storing info in long term and memory. _____________Quiz____________? What is the purpose of the occipital lobe? -

Answer ✓✓

It receives info from the eyes for sight.