Here are the true (T) or false (F) judgments for the statements:
**21. Left ventricular failure tends to cause an increase in:**
(a) Left atrial pressure - **T**
(b) Pulmonary capillary pressure - **T**
(c) Lung compliance - **F**
(d) Pulmonary oedema when the patient stands up - **F** (Pulmonary oedema is more related to the supine or seated position due to gravity.)
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**22. The following are statements about the exchange of substances