PNB 2265 Exam 1 Spring 2025 ACTUAL UPDATED QUESTIONS AND CORRECT
ANSWERS
Blood is a_________tissue. connective
3 components of blood plasma (liquid/matrix), cells (WBC/RBC), cell fragments (platelets)
Blood Physical Properties mostly water (plasma), neutral pH (7.4)
Volume of Blood 4-6 L
3 main functions of blood transport, regulation, protection
What does blood transport? nutrients, wastes, gases (O2 and CO2)
What does blood regulate? pH (~7.4), osmolarity, temperature (~38℃), fluid loss (injury)
How does blood protect us? component of the immune system
, What percent of our blood is plasma? (liquid) 46-63%
What percent of our blood is formed elements? (WBC, 37-54%
RBC, Platelets)
hematocrit percentage of blood volume occupied by red blood cells
CBC (complete blood count) more in depth analysis of blood
Different metrics of RBC in a CBC Hemtocrit (HCT), Mean corpuscular volume (MCV), Mean cell hemoglobin (MCH)
Red Blood Cells (Erythrocytes) most abundant formed element of blood
There are far more ____________ than ________ _. red blood cells, white blood cells
White Blood Cell (leukocyte) less abundant formed elements with many subtypes
5 Types of White Blood Cells lymphocytes, basophil, neutrophil, eosinophil, monocyte
Blood is a major _______ target. disease
Blood is a major target for infectious disease pathogens full of nutrients, is a great transport system
because it is ____________________ and it _______ _.
HIV attacks _________ _. WBC called helper t lymphocyte
helper t lymphocytes... alert the rest of the immune system to foreign invaders
When helper t lymphocytes are damaged you become... more susceptible to other diseases
CBC + Differential looks specifically at subpopulations of WBCs
ANSWERS
Blood is a_________tissue. connective
3 components of blood plasma (liquid/matrix), cells (WBC/RBC), cell fragments (platelets)
Blood Physical Properties mostly water (plasma), neutral pH (7.4)
Volume of Blood 4-6 L
3 main functions of blood transport, regulation, protection
What does blood transport? nutrients, wastes, gases (O2 and CO2)
What does blood regulate? pH (~7.4), osmolarity, temperature (~38℃), fluid loss (injury)
How does blood protect us? component of the immune system
, What percent of our blood is plasma? (liquid) 46-63%
What percent of our blood is formed elements? (WBC, 37-54%
RBC, Platelets)
hematocrit percentage of blood volume occupied by red blood cells
CBC (complete blood count) more in depth analysis of blood
Different metrics of RBC in a CBC Hemtocrit (HCT), Mean corpuscular volume (MCV), Mean cell hemoglobin (MCH)
Red Blood Cells (Erythrocytes) most abundant formed element of blood
There are far more ____________ than ________ _. red blood cells, white blood cells
White Blood Cell (leukocyte) less abundant formed elements with many subtypes
5 Types of White Blood Cells lymphocytes, basophil, neutrophil, eosinophil, monocyte
Blood is a major _______ target. disease
Blood is a major target for infectious disease pathogens full of nutrients, is a great transport system
because it is ____________________ and it _______ _.
HIV attacks _________ _. WBC called helper t lymphocyte
helper t lymphocytes... alert the rest of the immune system to foreign invaders
When helper t lymphocytes are damaged you become... more susceptible to other diseases
CBC + Differential looks specifically at subpopulations of WBCs
