CRL Quiz 2 2006

1

Which one of the following statements about oxygen-derived free radicals is incorrect?


2

Antigen presentation to T cells on first exposure to an inhaled foreign antigen usually occurs in which one of the following sites?


3

Which one of the following statements regarding chronic obstructive pulmonary disease (COPD) is correct?


4

Which one or more of the following statements regarding pneumonia is/are correct?


5

Which one or more of the following statements about the pulmonary circulation is/are correct?


6

Which one of the following is correct? TH2 cytokines are thought to be important in asthma because they:


7

Which one or more of the following statements regarding the electrocardiogram (ECG) is/are correct?


8

Which one or more of the following statements regarding cardiac myocyte contraction is/are correct?


9

Which one of the following is the best measure of cardiac contractility?


10

Which one or more of the following statements regarding autonomic control of cardiac contractility is/are correct?


11

Concerning individuals with the obstructive sleep apnoea syndrome (OSAS), which one or more of the following statements is/are correct?


12

Which one of the following promotes bronchodilation of the lower airways?


13

A 70 year old man who has been smoking one packet of cigarettes per day for fifty years, has shortness of breath with minimal exertion. Spirometry show a forced expiratory ratio of 0.4 with an FEV1 40 % of the predicted mean. What is the most likely mechanism for his dyspnoea?


14

In a person with asthma who has wheeze and dyspnoea several times per week, when exercising, which of the following is likely to be found?


15

Anti-arrhythmic drugs may act through which one or more of the following mechanisms?