Panthers Pathophys Exam 2 Practice

15 Questions | By Mallory1101 | Updated: Mar 20, 2022 | Attempts: 79

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1.

Myasthenia Gravis:
- A.
  
  Is a genetic disorder of neuromuscular transmission
- B.
  
  Is an autoimmune disorder of neuromuscular transmission
- C.
  
  Is a disorder of upper and lower motor neurons
- D.
  
  Is a degenerative disorder resulting in the death of doparmine generating cells
2.

Where can the strongest heart sounds usually be found?
- A.
  
  At the brachial artery in the cubital fossa
- B.
  
  To the left of the sternum only if the pt has dextrocardia
- C.
  
  Best heard at the apex during cor pulmonale
- D.
  
  To the left of the sternum
3.

Which type of receptor would be involved in extreme heat?
- A.
  
  Thermoreceptor
- B.
  
  Chemoreceptor
- C.
  
  Proprioreceptor
- D.
  
  Noiceiceptor
4.

____________ can easily be tested for by a treadmill stress test. (Hint: PMHR=220-yoa)
- A.
  
  Sick Sinus Node syndrome
- B.
  
  Sinus bradycardia
- C.
  
  Chronotrophic Incompetence
- D.
  
  Sinus bradycardia d/t increased vagal tone
5.

Which heart condition involves huge ventricular volumes from the enlargement of the ventricular cavity (hypertrophy)?
- A.
  
  Chronic aortic regurgitation
- B.
  
  Mitral regurgitation with pulmonary edema
- C.
  
  Mitral Stenosis
- D.
  
  CHF
6.

Which type(s) of hearing loss are by far more common?
- A.
  
  Central & Conductive
- B.
  
  Central & Sensorineural
- C.
  
  Conductive & Sensorineural
- D.
  
  All 3
7.

Looking at an ECG, which interval would measure the conduction time of the AV node and His bundle?
- A.
  
  QRS wave
- B.
  
  PR interval
- C.
  
  QT interval
- D.
  
  P wave
8.

Which component of the nervous system of the lung is involved in inhibitory events (bronchodilation)?
- A.
  
  NANC System
- B.
  
  Sympathetic efferent fibers of the lung
- C.
  
  Parasympathetic efferent fibers of the lung
- D.
  
  Nonadrenergic
9.

Regarding the ventricular action potential phases, which phase is characterized by a plateau and balance b/t inward movement of Ca2+ and outward movement of K+?
- A.
  
  Phase 1
- B.
  
  Phase 2
- C.
  
  Phase 3
- D.
  
  Phase 4
10.

A decrease in pulmonary compliance (change in volume/change in pressure) could be associated with?
- A.
  
  Loss of alveolar & elastic tissue
- B.
  
  Change in vagal sensory fibers
- C.
  
  Emphysema/COPD
- D.
  
  Fibrosis of lung tissue
11.

Which type of heart disease has a hallmark of a fatty streak made up of LDL cholesterol & macrophages (yellow in color) in vessel walls?
- A.
  
  CHF
- B.
  
  Pericarditis (coxsackievirus)
- C.
  
  Atherosclerosis
- D.
  
  Prinzmetal angina
12.

A patient presents with an embolic stroke. Which type of heart condition should be in the differential (since embolic stroke may be a first feature)?
- A.
  
  Nonbacterial thrombotic endocarditis
- B.
  
  Infective Endocarditis
- C.
  
  Rhematic Heart Disease
- D.
  
  Subendocardial MI
13.

Lacrimation is part of:
- A.
  
  The somatic nervous system
- B.
  
  The autonomic nervous system, specifically parasympathetic
- C.
  
  The autonomic nervous system, specifically sympathetic
- D.
  
  "Fight or flight"
14.

The histopathology of which pulmonary disease involves thickened airway mucosa with inflammatory cells?
- A.
  
  Emphysema
- B.
  
  Bronchitis
- C.
  
  Asthma
- D.
  
  Pulmonary Fibrosis
15.

What type of capillary (the smallest of the body's blood vessels) has pores in endothelial cells covered by the diaphragm & allows for proteins to diffuse?
- A.
  
  Continuous
- B.
  
  Sinusoidal
- C.
  
  Starling
- D.
  
  Fenestrated