WGU D115 OBJECTIVE ASSESSMENT (OA) EXAM 2025–2026 – UNIT 1–7
VERIFIED QUESTIONS AND ACCURATE ANSWERS || 100%
GUARANTEED PASS <RECENT VERSION>
Unit 1: Foundations of Pathophysiology and Pharmacology
1. What is the primary purpose of the inflammatory response?
a) To activate the adaptive immune system
b) To destroy all pathogens in the area
c) To limit tissue damage and initiate healing
d) To increase blood pressure to the area
2. Which type of cell is the first to arrive at the site of inflammation?
a) Lymphocytes
b) Neutrophils
c) Macrophages
d) Eosinophils
3. What is the role of histamine in the inflammatory process?
a) It stimulates fibroblast proliferation.
b) It causes vasodilation and increased vascular permeability.
c) It acts as a primary pain reliever.
d) It directly kills bacteria.
,4. The movement of white blood cells to the site of inflammation is called:
a) Phagocytosis
b) Chemotaxis
c) Diapedesis
d) Opsonization
5. Which of the following is a cardinal sign of inflammation?
a) Numbness
b) Pallor
c) Redness
d) Bradycardia
6. A healthcare professional is teaching a patient about anaphylaxis.
Which statement by the patient indicates understanding?
a) "It is a localized reaction to an allergen."
b) "It is a severe, systemic hypersensitivity reaction."
c) "It only involves the respiratory system."
d) "It is mediated by IgG antibodies."
7. What is the mechanism of action of corticosteroids when used as anti-
inflammatory agents?
a) They block histamine receptors.
, b) They inhibit the cyclooxygenase (COX) pathway.
c) They suppress the immune system and inhibit phospholipase A2.
d) They are potent antipyretics.
Unit 2: Neurological System
8. What is the primary neurotransmitter involved in Parkinson's disease?
a) Acetylcholine
b) Serotonin
c) Dopamine
d) GABA
9. The hallmark pathological feature of Alzheimer's disease is:
a) Lewy bodies in the substantia nigra
b) Amyloid plaques and neurofibrillary tangles
c) Demyelination of nerve fibers
d) Frontal lobe atrophy
10.A patient presents with unilateral facial drooping and inability to close
their eye. This is most characteristic of:
a) Ischemic Stroke
b) Myasthenia Gravis
VERIFIED QUESTIONS AND ACCURATE ANSWERS || 100%
GUARANTEED PASS <RECENT VERSION>
Unit 1: Foundations of Pathophysiology and Pharmacology
1. What is the primary purpose of the inflammatory response?
a) To activate the adaptive immune system
b) To destroy all pathogens in the area
c) To limit tissue damage and initiate healing
d) To increase blood pressure to the area
2. Which type of cell is the first to arrive at the site of inflammation?
a) Lymphocytes
b) Neutrophils
c) Macrophages
d) Eosinophils
3. What is the role of histamine in the inflammatory process?
a) It stimulates fibroblast proliferation.
b) It causes vasodilation and increased vascular permeability.
c) It acts as a primary pain reliever.
d) It directly kills bacteria.
,4. The movement of white blood cells to the site of inflammation is called:
a) Phagocytosis
b) Chemotaxis
c) Diapedesis
d) Opsonization
5. Which of the following is a cardinal sign of inflammation?
a) Numbness
b) Pallor
c) Redness
d) Bradycardia
6. A healthcare professional is teaching a patient about anaphylaxis.
Which statement by the patient indicates understanding?
a) "It is a localized reaction to an allergen."
b) "It is a severe, systemic hypersensitivity reaction."
c) "It only involves the respiratory system."
d) "It is mediated by IgG antibodies."
7. What is the mechanism of action of corticosteroids when used as anti-
inflammatory agents?
a) They block histamine receptors.
, b) They inhibit the cyclooxygenase (COX) pathway.
c) They suppress the immune system and inhibit phospholipase A2.
d) They are potent antipyretics.
Unit 2: Neurological System
8. What is the primary neurotransmitter involved in Parkinson's disease?
a) Acetylcholine
b) Serotonin
c) Dopamine
d) GABA
9. The hallmark pathological feature of Alzheimer's disease is:
a) Lewy bodies in the substantia nigra
b) Amyloid plaques and neurofibrillary tangles
c) Demyelination of nerve fibers
d) Frontal lobe atrophy
10.A patient presents with unilateral facial drooping and inability to close
their eye. This is most characteristic of:
a) Ischemic Stroke
b) Myasthenia Gravis
