NR507 Week 8 Final Exam Due 1st March 2026 Complete
Actual Exam Questions 1- 100 NR-507 Advanced
Pathophysiology NR 507 Midterm and Finals Examplify Online
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NR-507 Advanced Pathophysiology Final Exam Practice Questions
Question 1
Which mechanism is primarily responsible for the development of insulin resistance in type 2
diabetes mellitus?
A. Autoimmune destruction of pancreatic beta cells
B. Downregulation of insulin receptors and post-receptor signaling defects
C. Increased hepatic glycogen storage
D. Excess glucagon secretion from alpha cells
Answer: B. Downregulation of insulin receptors and post-receptor signaling defects
*Rationale: Insulin resistance results from decreased responsiveness of peripheral tissues due
to impaired insulin receptor function and post-receptor signaling abnormalities. Type 1
diabetes, not type 2, involves autoimmune destruction of beta cells.*
Question 2
In chronic kidney disease, decreased erythropoietin production leads to which type of anemia?
A. Microcytic hypochromic anemia
B. Megaloblastic anemia
C. Normocytic normochromic anemia
D. Hemolytic anemia
Answer: C. Normocytic normochromic anemia
Rationale: Reduced erythropoietin causes decreased red blood cell production without altering
cell size or hemoglobin concentration, resulting in a normocytic, normochromic anemia.
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Question 3
Which electrolyte abnormality is most commonly associated with acute adrenal insufficiency?
A. Hypernatremia
B. Hypokalemia
C. Hyperkalemia
D. Hypocalcemia
Answer: C. Hyperkalemia
Rationale: Aldosterone deficiency leads to impaired potassium excretion, resulting in
hyperkalemia. This is a hallmark finding in Addisonian crisis.
Question 4
Portal hypertension most directly contributes to which complication of liver cirrhosis?
A. Hepatic encephalopathy
B. Ascites
C. Hypoglycemia
D. Jaundice
Answer: B. Ascites
Rationale: Increased portal venous pressure leads to fluid transudation into the peritoneal
cavity, causing ascites.
Question 5
Hemolytic disease of the newborn (HDN) can occur if the mother:
A. Is Rh-positive and the fetus is Rh-negative
B. Is Rh-negative and the fetus is Rh-positive
C. Has type A blood and the fetus has type O
D. Has type AB blood and the fetus has type B
Answer: B. Is Rh-negative and the fetus is Rh-positive
Rationale: HDN occurs when maternal-fetal incompatibility exists, specifically if the mother is
Rh-negative and the fetus is Rh-positive, causing the mother to produce antibodies against fetal
erythrocytes.
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Question 6
Examination of the throat in a child demonstrating signs and symptoms of acute epiglottitis
may contribute to which life-threatening complication?
A. Retropharyngeal abscess
B. Laryngospasms
C. Rupturing of the tonsils
D. Gagging induced aspiration
Answer: B. Laryngospasms
Rationale: Examination of the throat may trigger laryngospasm and cause respiratory collapse.
Death may occur within hours, making this a critical safety consideration.
Question 7
Which neurotransmitter deficiency is primarily associated with Parkinson disease?
A. Dopamine
B. Acetylcholine
C. Serotonin
D. GABA
Answer: A. Dopamine
Rationale: Parkinson disease is characterized by progressive degeneration of dopaminergic
neurons in the substantia nigra, leading to dopamine deficiency.
Question 8
What is a common symptom of left-sided heart failure?
A. Ascites
B. Peripheral edema
C. Pulmonary crackles
D. Jugular vein distention
Answer: C. Pulmonary crackles
Rationale: Pulmonary congestion from left heart failure causes crackles due to fluid
accumulation in the alveoli.
Question 9
Which of the following is typical of right-sided heart failure?
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A. Frothy sputum
B. Orthopnea
C. Peripheral edema
D. Pulmonary crackles
Answer: C. Peripheral edema
Rationale: Right-sided heart failure causes systemic venous congestion, leading to peripheral
edema, ascites, and jugular vein distention.
Question 10
Which condition is characterized by progressive destruction of motor neurons?
A. Myasthenia Gravis
B. Amyotrophic Lateral Sclerosis
C. Guillain-Barré Syndrome
D. Huntington Disease
Answer: B. Amyotrophic Lateral Sclerosis
Rationale: ALS involves degeneration of upper and lower motor neurons, leading to muscle
weakness and atrophy.
Question 11
In hyperparathyroidism, elevated parathyroid hormone levels cause:
A. Decreased serum calcium
B. Increased bone mineral density
C. Increased renal phosphate excretion
D. Reduced vitamin D activation
Answer: C. Increased renal phosphate excretion
Rationale: PTH increases calcium levels while promoting phosphate excretion in the kidneys.
Question 12
What is the major virus involved in the development of cervical cancer?
A. Herpes simplex virus type 6
B. Herpes simplex virus type 2
C. Human papillomavirus
D. Human immunodeficiency virus