Medical Knowledge Pathophysiology 2

Question 1

What characterizes chronic obstructive pulmonary disease (COPD)?

Accepted Answer

Progressive irreversible airflow limitation

Answer

Reversible airflow obstruction

Answer

Pulmonary fibrosis

Answer

Pleural effusion

Question 2

Which condition involves autoimmune demyelination in the central nervous system?

Accepted Answer

Multiple sclerosis

Answer

Parkinson's disease

Answer

ALS

Answer

Guillain-Barré syndrome

Question 3

What is the primary cause of most peptic ulcers in the US?

Accepted Answer

H. pylori infection and NSAID use

Answer

Stress and diet alone

Answer

Viral infection

Answer

Autoimmune gastritis

Question 4

What distinguishes ischemic stroke from hemorrhagic stroke?

Accepted Answer

Ischemic results from vessel blockage; hemorrhagic from vessel rupture

Answer

Ischemic involves bleeding; hemorrhagic involves clotting

Answer

Ischemic affects younger patients; hemorrhagic affects older patients

Answer

Ischemic is less treatable than hemorrhagic

Question 5

What defines congestive heart failure (CHF)?

Accepted Answer

Heart's inability to pump sufficient blood to meet metabolic demands

Answer

Heart rate too fast for cardiac output

Answer

Infection of the heart muscle

Answer

Clot in a coronary artery

Question 6

Which electrolyte imbalance is most dangerous in patients with renal failure?

Accepted Answer

Hyperkalemia

Answer

Hyponatremia

Answer

Hypocalcemia

Answer

Hypomagnesemia