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The oxygen dissociation curve is shifted to the right with respiratory acidosis
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The oxygen dissociation curve is shifted to the right with pyrexia
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The oxygen dissociation curve is shifted to the right with poly-cythaemia
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ABO and rhesus (Rh) system, d. rhesus antibodies occur naturally
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ABO and rhesus (Rh) system, the presence of the D antigen means that thesubject is Rh positive
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ABO and rhesus (Rh) system, a person who is group AB has anti-A and anti-Bantibodies
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ABO and rhesus (Rh) system, a person of group O is a universal donor
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A red blood cell expresses HLA class II antigens on the cell surface
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Red blood cells are released from the bone marrow as mature erythrocytes
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Red blood cells has a life span of 120 days in the circulation
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Red blood cells do not contain mitochondria
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Red blood cells measured 15 um in diameter
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Active vitamin D: a) Receptors are found in osteoblasts. b) Facilitates bone formation. c) Increases calcium ion transport across the intestinal brush border d) Facilitates bone resorption.
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During the later stages of pregnancy, maternal blood pressure can fall if the woman lies on her back (supine hypotension). This is due to a) A reduction in maternal venous return b) A decrease in maternal heart rate because of the uterus pressing on the heart through the diaphragm c) Compression of the vena cava d) Increased fetal activity associated with discomfort due to compression of the fetus against the maternal vertebral column.
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During the later stages of pregnancy, maternal blood pressure can fall if the woman lies on her back (supine hypotension). This is due to a) A reduction in maternal venous return b) A decrease in maternal heart rate because of the uterus pressing on the heart through the diaphragm c) Compression of the vena cava d) Increased fetal activity associated with discomfort due to compression of the fetus against the maternal vertebral column.
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Survival of a fetus to birth at 40 weeks gestational age (term) is possible despite the absence of: a) Cerebral hemispheres b) An esophagus c) Kidneys d) A cardiovascular system
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A single cross-bridge cycle can move a thin filament: a) Without the release of energy from ATP b) About 2.5 mm (2.5 x 10-3m) c) Along the entire length of an intact myosin molecule d) About 10 nm (10 x 10-9m)
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Bronchodilator drugs include all the following EXCEPT: a) Salbutamol b) Aminophylline c) Isoprenaline d) Propranolol e) Adrenaline
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Angiotensin converting enzyme (ACE) inhibitors: a) Inhibit the conversion of angiotensin to renin. b) Reduce the synthesis of angiotensin II and the subsequent release of aldosterone. c) Inhibit the release of renin by the kidneys. d) Inhibit the conversion of angiotensinogen to angiotensin I. e) Increase blood pressure by their vasoconstrictor actions in renal arteries.
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Predominant emphysema: a) Is typically characterized by a productive cough b) Is a reversible disease of large and small airways? c) Has a more severe course in people with high levels of antiproteases - (antielastase) d) Is caused by pulmonary hypertension e) None of the above is correct
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