ADVANCED PATHOPHYSIOLOGY FINAL
EXAM 2026/2027 | 250 HIGH-YIELD QUESTIONS
& VERIFIED ANSWERS | LATEST TEST PREP |
MOST TESTED TOPICS | A+ PREPARATION
Lead poisoning affects the nervous system by
A. Interfering with the function of neurotransmitters
B. Inhibiting the production of myelin around nerves
C. Increasing the resting membrane potential
D. Altering the transport of potassium into the nerves - correct answer-A
Water movement between the intracellular fluid (ICF) compartment and the extracellular
fluid (ECF) compartment is primarily a function of:
A. Osmotic Forces
B. Plasma Oncotic Pressure
C. Antidiuretic hormone
D. Hydrostatic forces - correct answer-A
Two thirds of the body's water is found in its
a. Interstitial fluid spaces
b. Vascular system
c. Intracellular fluid compartments
d. Intraocular fluids - correct answer-C
A patient has a history of excessive use of magnesium-containing antacids and aluminum-containing
antacids. What lab value does the healthcare professional correlate to this behavior? a. Magnesium
1.8 mg/dL
b. Phosphate 1.9 mg/dL
c. Sodium 149 mEq/L
,d. Potassium 2.5 mEq/L - correct answer-B
A healthcare professional is caring for four patients. Which patient should the professional assess for
hyperkalemia?
a. Hyperparathyroidism
b. Vomiting
c. Renal failure
d. Hyperaldosteronism - correct answer-C
A healthcare professional is caring for four patients. Which patient should the professional assess for
hypermagnesemia as a priority? a. Hepatitis
b. Renal failure
c. Trauma to the hypothalamus d. Pancreatitis - correct answer-B
Cystic fibrosis is caused by what type of gene?
a. X-linked dominant
b. X-linked recessive
c. Autosomal dominant
d. Autosomal recessive - correct answer-D
People diagnosed with neurofibromatosis have varying degrees of the condition because of which
genetic principle?
a. Penetrance
b. Expressivity
c. Dominance
d. Recessiveness - correct answer-B
What is the most common cause of Down syndrome?
a. Paternal nondisjunction
b. Maternal translocations
,c. Maternal nondisjunction
d. Paternal translocation - correct answer-C
What does activation of the classical pathway begin with? a. Viruses
b. Antigen-antibody complexes c. Mast cells
d. Macrophages - correct answer-B.
Activation of the classical pathway begins only with the activation of protein C1 and is preceded by
the formation of a complex between an antigen and an antibody to form an antigen-antibody
complex (immune complex). Infection with a virus can lead to the start of the inflammatory process,
but is not the specific activation factor. Mast cells release the contents of their granules to initiate
synthesis of other mediators of inflammation among other actions. Macrophages are one cell type
involved in phagocytosis.
In the coagulation (clotting) cascade, the intrinsic and the extrinsic pathways converge at which
factor?
a. XII
b. VII
c. X
d. V - correct answer-C. The coagulation cascade consists of the extrinsic and intrinsic pathways that
converge only at factor X.
What effect does the process of histamine binding to the histamine-2 (H2) receptor have on
inflammation?
a. Inhibition
b. Activation
c. Acceleration
d. Termination - correct answer-A. Binding histamine to the H2 receptor is generally
antiinflammatory because it results in the suppression of leukocyte function. Binding to H2
receptors does not cause activation, acceleration, or termination of the inflammatory process.
Frequently when H1 and H2 receptors are located on the same cells, they act in what fashion? a.
Synergistically
b. Additively
, c. Antagonistically
d. Agonistically - correct answer-C. Both types of receptors are distributed among many different
cells and are often present on the same cells and may act in an antagonistic fashion. For instance,
neutrophils express both types of receptors, with stimulation of H1 receptors resulting in the
augmentation of neutrophil chemotaxis and H2 stimulation resulting in its inhibition. The two
receptors do not act synergistically, additively, or agonistically.
What is the inflammatory effect of nitric oxide (NO)?
a. Increases capillary permeability, and causes pain b. Increases neutrophil chemotaxis and platelet
aggregation
c. Causes smooth muscle contraction and fever
d. Decreases mast cell function, and decreases platelet aggregation - correct answer-D. Effects of NO
on inflammation include vasodilation by inducing relaxation of vascular smooth muscle, a
response that is local and short-lived, and by suppressing mast cell function, as well as platelet
adhesion and aggregation. NO does not increase capillary permeability and cause pain, increase
neutrophil chemotaxis and platelet aggregation, or cause smooth muscle contraction and fever.
Which cytokine is produced and released from virally infected host cells? a.
IL-1
b. IL-10
c. TNF-α
d. IFN-α - correct answer-D. Only interferons (IFNs) are produced and released by virally infected
cells in response to viral double-stranded ribonucleic acid (RNA). IFN-α and IFN-β induce the
production of antiviral proteins, thereby conferring protection on uninfected cells. IFN-α or IFN-β
is released from virally infected cells and attaches to a receptor on a neighboring cell. IFNs also
enhance the efficiency of developing an acquired immune response. IL-1 is a proinflammatory
interleukin. IL-10 plays a critical role in wound healing. TNF has several systemic effects but is not
released from virally infected host cells.
What does the phagosome step result in during the process of endocytosis?
a. Microorganisms are ingested.
b. Microorganisms are killed and digested.
c. Phagocytes recognize and adhere to bacteria.
d. An intracellular phagocytic vacuole is formed. - correct answer-D. Small pseudopods that extend
from the plasma membrane and surround the adherent microorganism, forming an intracellular
EXAM 2026/2027 | 250 HIGH-YIELD QUESTIONS
& VERIFIED ANSWERS | LATEST TEST PREP |
MOST TESTED TOPICS | A+ PREPARATION
Lead poisoning affects the nervous system by
A. Interfering with the function of neurotransmitters
B. Inhibiting the production of myelin around nerves
C. Increasing the resting membrane potential
D. Altering the transport of potassium into the nerves - correct answer-A
Water movement between the intracellular fluid (ICF) compartment and the extracellular
fluid (ECF) compartment is primarily a function of:
A. Osmotic Forces
B. Plasma Oncotic Pressure
C. Antidiuretic hormone
D. Hydrostatic forces - correct answer-A
Two thirds of the body's water is found in its
a. Interstitial fluid spaces
b. Vascular system
c. Intracellular fluid compartments
d. Intraocular fluids - correct answer-C
A patient has a history of excessive use of magnesium-containing antacids and aluminum-containing
antacids. What lab value does the healthcare professional correlate to this behavior? a. Magnesium
1.8 mg/dL
b. Phosphate 1.9 mg/dL
c. Sodium 149 mEq/L
,d. Potassium 2.5 mEq/L - correct answer-B
A healthcare professional is caring for four patients. Which patient should the professional assess for
hyperkalemia?
a. Hyperparathyroidism
b. Vomiting
c. Renal failure
d. Hyperaldosteronism - correct answer-C
A healthcare professional is caring for four patients. Which patient should the professional assess for
hypermagnesemia as a priority? a. Hepatitis
b. Renal failure
c. Trauma to the hypothalamus d. Pancreatitis - correct answer-B
Cystic fibrosis is caused by what type of gene?
a. X-linked dominant
b. X-linked recessive
c. Autosomal dominant
d. Autosomal recessive - correct answer-D
People diagnosed with neurofibromatosis have varying degrees of the condition because of which
genetic principle?
a. Penetrance
b. Expressivity
c. Dominance
d. Recessiveness - correct answer-B
What is the most common cause of Down syndrome?
a. Paternal nondisjunction
b. Maternal translocations
,c. Maternal nondisjunction
d. Paternal translocation - correct answer-C
What does activation of the classical pathway begin with? a. Viruses
b. Antigen-antibody complexes c. Mast cells
d. Macrophages - correct answer-B.
Activation of the classical pathway begins only with the activation of protein C1 and is preceded by
the formation of a complex between an antigen and an antibody to form an antigen-antibody
complex (immune complex). Infection with a virus can lead to the start of the inflammatory process,
but is not the specific activation factor. Mast cells release the contents of their granules to initiate
synthesis of other mediators of inflammation among other actions. Macrophages are one cell type
involved in phagocytosis.
In the coagulation (clotting) cascade, the intrinsic and the extrinsic pathways converge at which
factor?
a. XII
b. VII
c. X
d. V - correct answer-C. The coagulation cascade consists of the extrinsic and intrinsic pathways that
converge only at factor X.
What effect does the process of histamine binding to the histamine-2 (H2) receptor have on
inflammation?
a. Inhibition
b. Activation
c. Acceleration
d. Termination - correct answer-A. Binding histamine to the H2 receptor is generally
antiinflammatory because it results in the suppression of leukocyte function. Binding to H2
receptors does not cause activation, acceleration, or termination of the inflammatory process.
Frequently when H1 and H2 receptors are located on the same cells, they act in what fashion? a.
Synergistically
b. Additively
, c. Antagonistically
d. Agonistically - correct answer-C. Both types of receptors are distributed among many different
cells and are often present on the same cells and may act in an antagonistic fashion. For instance,
neutrophils express both types of receptors, with stimulation of H1 receptors resulting in the
augmentation of neutrophil chemotaxis and H2 stimulation resulting in its inhibition. The two
receptors do not act synergistically, additively, or agonistically.
What is the inflammatory effect of nitric oxide (NO)?
a. Increases capillary permeability, and causes pain b. Increases neutrophil chemotaxis and platelet
aggregation
c. Causes smooth muscle contraction and fever
d. Decreases mast cell function, and decreases platelet aggregation - correct answer-D. Effects of NO
on inflammation include vasodilation by inducing relaxation of vascular smooth muscle, a
response that is local and short-lived, and by suppressing mast cell function, as well as platelet
adhesion and aggregation. NO does not increase capillary permeability and cause pain, increase
neutrophil chemotaxis and platelet aggregation, or cause smooth muscle contraction and fever.
Which cytokine is produced and released from virally infected host cells? a.
IL-1
b. IL-10
c. TNF-α
d. IFN-α - correct answer-D. Only interferons (IFNs) are produced and released by virally infected
cells in response to viral double-stranded ribonucleic acid (RNA). IFN-α and IFN-β induce the
production of antiviral proteins, thereby conferring protection on uninfected cells. IFN-α or IFN-β
is released from virally infected cells and attaches to a receptor on a neighboring cell. IFNs also
enhance the efficiency of developing an acquired immune response. IL-1 is a proinflammatory
interleukin. IL-10 plays a critical role in wound healing. TNF has several systemic effects but is not
released from virally infected host cells.
What does the phagosome step result in during the process of endocytosis?
a. Microorganisms are ingested.
b. Microorganisms are killed and digested.
c. Phagocytes recognize and adhere to bacteria.
d. An intracellular phagocytic vacuole is formed. - correct answer-D. Small pseudopods that extend
from the plasma membrane and surround the adherent microorganism, forming an intracellular
