Pathopharmacology Exam! Ultimate Trivia Quiz

41 Questions | By Msnstudent | Updated: Mar 19, 2022 | Attempts: 193

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Pathopharmacology Exam! Ultimate Trivia Quiz - Quiz

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1.

Occlusion of the circumflex artery during an MI would interrupt blood supply to the:
- A.
  
  Left and right ventricles and much of the intraventricular septum
- B.
  
  Posterior intraventricular sulcus and smaller branches of the ventricles
- C.
  
  Upper right ventricle, right marginal branch, and right ventricle to the apex
- D.
  
  Left atrium and the lateral wall of the left ventricle
2.

The coronary ostia is located in the:
- A.
  
  Right atrium
- B.
  
  Left atrium
- C.
  
  Superior vena cava
- D.
  
  Aorta
3.

The ratio of coronary capillaries to cardiac muscle cells is:
- A.
  
  1:1 (1 capillary to 1 muscle cell)
- B.
  
  1:2 (1 capillary to 2 muscle cells)
- C.
  
  1:4 (1 capillary to 4 muscle cells)
- D.
  
  1:10 (1 capillary to 10 muscle cells)
4.

The function of P cells found in the sinoatrial node and Purkinje fibers is that they:
- A.
  
  Are receptors for pain stimuli, such as the pain that occurs during an infarction
- B.
  
  Prolong the refractory period before the next contraction
- C.
  
  Are assumed to be the site of impulse formation
- D.
  
  Initiate repolarization of the myocardium
5.

Depolarization of the cardiac muscle cell occurs as the result of a:
- A.
  
  Decrease in the permeability of the cell membrane to potassium
- B.
  
  Rapid movement of sodium into the cell membrane
- C.
  
  Decrease in the movement of sodium out of the cell
- D.
  
  Rapid movement of calcium out of the cell
6.

Which of the following events occurs during phase 1 of the normal myocardial cell depolarization and repolarization?
- A.
  
  Repolarization when potassium moves out of the cells
- B.
  
  Repolarization when sodium rapidly enters into cells
- C.
  
  Early repolarization when sodium slowly enters the cells
- D.
  
  Early repolarization when calcium slowly enters the cells
7.

Which phase of the normal myocardial cell depolarization and repolarization correlates with diastole?
- A.
  
  Phase 0
- B.
  
  Phase 1
- C.
  
  Phase 2
- D.
  
  Phase 3
- E.
  
  Phase 4
8.

In the normal electrocardiogram, the PR interval represents:
- A.
  
  Atrial depolarization
- B.
  
  Ventricular depolarization
- C.
  
  Atrial activation to onset of ventricular activity
- D.
  
  Electrical systole of the ventricles
9.

The cardiac electrical impulse normally begins spontaneously in the sinoatrial (SA) node because:
- A.
  
  Of its superior location in the right atrium
- B.
  
  It is the only area of the heart capable of spontaneous depolarization
- C.
  
  It has a rich sympathetic innervation via the vagus nerve
- D.
  
  It depolarizes more rapidly than other automatic cells of the heart
10.

The ___ period follows depolarization of the myocardium and represents a period during which no new cardiac potential can be propagated.
- A.
  
  Refractory
- B.
  
  Hyperpolarization
- C.
  
  Threshold
- D.
  
  SA
11.

Which of the following triggers an immune response within the bloodstream that can result in an embolus?
- A.
  
  Amniotic fluid
- B.
  
  Fat
- C.
  
  Bacteria
- D.
  
  Air
12.

Which statement best describes thrombangitis obliterans (Bueger disease)?
- A.
  
  An inflammatory disorder of the small and medium-size arteries in the feet and sometimes the hands
- B.
  
  A vasospastic disorder of the small arteries and arterioles of the fingers, and less commonly, the toes
- C.
  
  An autoimmune disorder of the large arteries and veins of the upper and lower extremities
- D.
  
  A neoplastic disorder of the lining of the arteries and veins of the upper extremities.
13.

Which of the following statements best describes Raynaud disease?
- A.
  
  An inflammatory disorder of the small and medium-size arteries in the feet and sometimes the hands
- B.
  
  A neoplastic disorder of the lining of the arteries and veins of the upper extremities.
- C.
  
  A vasospastic disorder of the small arteries and arterioles of the fingers, and less commonly, the toes
- D.
  
  An autoimmune disorder of the large arteries and veins of the upper and lower extremities
14.

What changes in veins occur to create varicose veins?
- A.
  
  An increase in osmotic pressure
- B.
  
  Damage to the valves within veins
- C.
  
  Damage to the venous endothelium
- D.
  
  An increase in hydrostatic pressure
15.

Superior vena cava syndrome is a progressive ___ of the superior vena cava (SVC) that leads to venous distention of the upper extremities and head.
- A.
  
  Inflammation
- B.
  
  Occlusion
- C.
  
  Distention
- D.
  
  Sclerosis
16.

A local state in which cells are temporarily deprived of blood supply is defined as:
- A.
  
  Infarction
- B.
  
  Ischemia
- C.
  
  Necrosis
- D.
  
  Inflammation
17.

The risk of developing coronary artery disease (CAD) is increased up to threefold by:
- A.
  
  DM
- B.
  
  HTN
- C.
  
  Obesity
- D.
  
  High ETOH consumption
18.

Nicotine increases atherosclerosis by the release of:
- A.
  
  Histamine
- B.
  
  Nitric oxide
- C.
  
  Angiotensin II
- D.
  
  Epinephrine
19.

Which of the following is manufactured by the liver and primarily contains cholesterol and protein?
- A.
  
  Very low density lipoproteins (VLDLs)
- B.
  
  Low density lipoproteins (LDLs)
- C.
  
  High density lipoproteins (HDLs)
- D.
  
  Triglycerides (TGs)
20.

Which elevated value may be protective of the development of atherosclerosis?
- A.
  
  Very low density lipoproteins (VLDLs)
- B.
  
  Low density lipoproteins (LDLs)
- C.
  
  High density lipoproteins (HDLs)
- D.
  
  Triglycerides (TGs)
21.

High altitudes may produce hypoxemia through:
- A.
  
  Shunting
- B.
  
  Hypoventilation
- C.
  
  Decreased inspired oxygen
- D.
  
  Diffusion abnormalities
22.

Alveolar dead space is a result of:
- A.
  
  Pulmonary edema
- B.
  
  Pulmonary emboli
- C.
  
  Atelectasis
- D.
  
  Pneumonia
23.

The most common cause of pulmonary edema is:
- A.
  
  Right sided heart failure
- B.
  
  Left sided heart failure
- C.
  
  Mitral valve prolapse
- D.
  
  Aortic stenosis
24.

Pulmonary edema begins at a PCWP or left atrial pressure of ___mmHg
- A.
  
  10
- B.
  
  20
- C.
  
  30
- D.
  
  40
25.

___ atelectasis is the collapse of lung tissue caused from the lack of collateral ventilation through the pores of Kohn.
- A.
  
  Compression
- B.
  
  Perfusion
- C.
  
  Absorption
- D.
  
  Hypoventilation