WEEK 4 MIDTERM EXAM: NR 507 PATHOPHYSIOLOGY, 2025/2026 (CHAMBERLAIN) WITH CORRECT/ACCURATE ANSWERS 2025/2026

WEEK 4 MIDTERM EXAM: NR 507
PATHOPHYSIOLOGY, 2025/2026
(CHAMBERLAIN) WITH CORRECT/ACCURATE
ANSWERS 2025/2026
✓
✓
1 The coronary ostia are located in the: (Points : 2)
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a. Left ventricle
g g


b. Aortic valve
g g


c. Coronary sinus
g g


d. Aorta g




d. Aorta g




Which complex (wave) represents the sum of all ventricular muscle cell
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gdepolarizations? (Points g


: 2)g


a. PRS g


b. QRS g


c. QT interval
g g


d. P g




b. QRS g




Which organism is a common sexually transmitted bacterial infection? (Points : 2)
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a. Staphylococcus aureus
g g


b. Clostridium perfringens
g g


c. Helicobacter pylori
g g


d. Treponema pallidum
g g




d. Treponema pallidum
g g

,Which organ is stimulated during the alarm phase of the general adaptation
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gsyndrome (GAS)? g


(Points : 2) g g


a. Adrenal cortex
g g


b. Hypothalamus
g


c. Anterior pituitary
g g


d. Limbic system
g g




b. Hypothalamus
g




What is the role of caretaker genes? (Points : 2)
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a. Maintenance of genomic integrity
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b. Proliferation of cancer cells
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c. Secretion of growth factors
g g g g


d. Restoration of normal tissue structure
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a. Maintenance of genomic integrity
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Where are antibodies produced? (Points : 2)
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a. Helper T lymphocytes
g g g


b. Thymus gland
g g


c. Plasma cells
g g


d. Bone marrow
g g




c. Plasma cells
g g




The lung is innervated by the parasympathetic nervous system via which nerve?
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(Points : 2)
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a. Vagus
g


b. Phrenic
g

, c. Brachial
g


d. Pectoral
g




a. Vagusg




What physical sign is the result of turbulent blood flow through a vessel? (Points
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: 2)
g g


a. Increased blood pressure during periods of stress
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b. Bounding pulse felt on palpation
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c. Cyanosis observed on excretion
g g g g


d. Murmur heard on auscultation
g g g g




d. Murmur heard on auscultation
g g g g




What is the primary cause of respiratory distress syndrome (RDS) of the
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newborn? (Points : 2)
g g g g


a) Immature immune system
g g g


b) Small alveoli
g g


c) Surfactant deficiency
g g


d) Anemia
g




c) Surfactant deficiency
g g




What is the fundamental physiologic manifestation of anemia? (Points : 2)
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a) Hypotension
g


b) Hyperesthesia
g


c) Hypoxia
g


d) Ischemia
g




c) Hypoxia
g




Which term is used to describe a muscle cell showing a reduced ability to form
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new muscle
g g


while appearing highly disorganized? (Points : 2)
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