CLAB 450 EXAM QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE 2026
intermediate filaments - Answers In epithelial cells, these are composed of keratins.
Endoplasmic Reticulum - Answers Which of the following cellular elements has ribosomes?
Differential expression of genes - Answers Which of the following accounts for differences in cells in a
human body?
Liquifactive Necrosis - Answers Which of the following best describes the type of necrosis very soft
organs, such as the brain, typically undergo?
Production of Energy - Answers Which of the following is the primary purpose of mitochondria?
hydrogen peroxide - Answers Which of the following is an oxygen radical?
Pyknosis - Answers A cell is subject to hypoxic conditions for 20 minutes, then observed under the
microscope. The nucleus has become shrunken, with marked condensation of the chromatin. This
nuclear change is best described as which of the following?
Thymus - Answers Which of the following organs undergoes atrophy during childhood and
adolescence?
Autolysis - Answers Which of the following best describes cellular death after the person has died?
Increased protein synthesis - Answers Which of the following is not associated with reversible cellular
energy?
Mast Cells - Answers Which of the following cells primarily releases histamine?
Functional decrease of the inflamed organ - Answers Chronic inflammation typically results in which
of the following?
Minutes - Answers What is the typical duration of action for histamine?
Prostatitis - Answers Which of the following describes inflammation of the prostate?
Palor - Answers Which of the following is not a cardinal sign in inflammation?
Allergic reactions - Answers Which of the following are basophils primarily involved with?
Exudate has cells and more proteins that transudate - Answers Which of the following is true
regarding transudate versus exudate?
Arteriolar dilation - Answers Which of the following causes the redness and swelling associated with
inflammation?
Uptake of debris by a PMN - Answers Which of the following best describes phagocytosis?
Polymorphonuclear neutrophils (PMNS) - Answers Which of the following cells arrive earliest at the
site of inflammation?
IgM - Answers A 62-year-old female recently received her flu shot. Which of the immunoglobulins
against the flu would be produced the most by her immune system after this flu vaccination?
neutrophil - Answers Which of the following is best classified as part of the innate immunity?
eosinophils - Answers Which of the following is best classified as part of acquired immunity?
IgA - Answers Which of the following immunoglobulins would be predominately found in tears to help
prevent infections of the eye?
medicine in injection - Answers a 36-year-old male was in the hospital for chronic pain. He dressed in
a hospital gown, ate a homemade sandwich while waiting, and then washed his hands before
receiving a new injection for his chronic pain. Shortly thereafter the man developed anaphylactic
shock. What most likely caused the anaphylactic shock?
plasma cells - Answers Which of the following cells secrete immunoglobulins?
histamine - Answers Which of the following substances is responsible for the edema and eosinophilia
associated with type I hypersensitivity?
circulating antigen-antibody complexes - Answers Systemic lupus erythematosus is due to which of
the following?
bone marrow - Answers All immune cells originally come from which anatomic site?
Thymus - Answers Which of the following is not a secondary lymphoid organ?
immune attack of cancer cells - Answers Which of the following naturally helps eliminate tumors from
the body?
human papillomavirus - Answers Which of the following viruses is associated with cervical cancer?
excessive growth - Answers Which of the following terms would not be used to describe all neoplastic
cells?
growth of cells in culture - Answers Which of the following is the most accurate way to determine if a
neoplasm is benign or malignant?
TP53 - Answers Which of the following is an important tumor suppressor gene?
intermediate filaments - Answers In epithelial cells, these are composed of keratins.
Endoplasmic Reticulum - Answers Which of the following cellular elements has ribosomes?
Differential expression of genes - Answers Which of the following accounts for differences in cells in a
human body?
Liquifactive Necrosis - Answers Which of the following best describes the type of necrosis very soft
organs, such as the brain, typically undergo?
Production of Energy - Answers Which of the following is the primary purpose of mitochondria?
hydrogen peroxide - Answers Which of the following is an oxygen radical?
Pyknosis - Answers A cell is subject to hypoxic conditions for 20 minutes, then observed under the
microscope. The nucleus has become shrunken, with marked condensation of the chromatin. This
nuclear change is best described as which of the following?
Thymus - Answers Which of the following organs undergoes atrophy during childhood and
adolescence?
Autolysis - Answers Which of the following best describes cellular death after the person has died?
Increased protein synthesis - Answers Which of the following is not associated with reversible cellular
energy?
Mast Cells - Answers Which of the following cells primarily releases histamine?
Functional decrease of the inflamed organ - Answers Chronic inflammation typically results in which
of the following?
Minutes - Answers What is the typical duration of action for histamine?
Prostatitis - Answers Which of the following describes inflammation of the prostate?
Palor - Answers Which of the following is not a cardinal sign in inflammation?
Allergic reactions - Answers Which of the following are basophils primarily involved with?
Exudate has cells and more proteins that transudate - Answers Which of the following is true
regarding transudate versus exudate?
Arteriolar dilation - Answers Which of the following causes the redness and swelling associated with
inflammation?
Uptake of debris by a PMN - Answers Which of the following best describes phagocytosis?
Polymorphonuclear neutrophils (PMNS) - Answers Which of the following cells arrive earliest at the
site of inflammation?
IgM - Answers A 62-year-old female recently received her flu shot. Which of the immunoglobulins
against the flu would be produced the most by her immune system after this flu vaccination?
neutrophil - Answers Which of the following is best classified as part of the innate immunity?
eosinophils - Answers Which of the following is best classified as part of acquired immunity?
IgA - Answers Which of the following immunoglobulins would be predominately found in tears to help
prevent infections of the eye?
medicine in injection - Answers a 36-year-old male was in the hospital for chronic pain. He dressed in
a hospital gown, ate a homemade sandwich while waiting, and then washed his hands before
receiving a new injection for his chronic pain. Shortly thereafter the man developed anaphylactic
shock. What most likely caused the anaphylactic shock?
plasma cells - Answers Which of the following cells secrete immunoglobulins?
histamine - Answers Which of the following substances is responsible for the edema and eosinophilia
associated with type I hypersensitivity?
circulating antigen-antibody complexes - Answers Systemic lupus erythematosus is due to which of
the following?
bone marrow - Answers All immune cells originally come from which anatomic site?
Thymus - Answers Which of the following is not a secondary lymphoid organ?
immune attack of cancer cells - Answers Which of the following naturally helps eliminate tumors from
the body?
human papillomavirus - Answers Which of the following viruses is associated with cervical cancer?
excessive growth - Answers Which of the following terms would not be used to describe all neoplastic
cells?
growth of cells in culture - Answers Which of the following is the most accurate way to determine if a
neoplasm is benign or malignant?
TP53 - Answers Which of the following is an important tumor suppressor gene?
