Question

All the answers please

63. Thrombocytopenia may lead to petecchiae or ecchymosis a. True b. False 64. Sickled cells development is a function of replacing a non-polar amino acid with a polar amino acid at the 6th position of the beta amino acid chain. a. True b. False 65. Lymphocytes that mature in the thymus are responsible for humoral immunity a. True b. False 66. Natural killer cells do not require prior exposure to be effective a. True b. False 67. Obligatory urine loss is 300-500 mL/day. a. True b. False 68. The afferent arterioles give rise to the peritubular renal capillaries. a. True b. False 69. The juxtaglomerular apparatus secretes renin, leading to a cascade of reactions whose end product, lowers BP and blood volume. a. True b. False 70. Albuminuria can lead to edema a. true b. false 71. The mechanism of edema due albuminuria is which of the following errant processes a. diffusion b. osmosis 72. Nephrotic syndrome is associated with albuminuria a. true b. false 73. Rotator cuff injury involves the so-called SITS muscles of the humeral head, e.E supraspinatus, infraspinatus, Teres major and the subscapularis a. true b. false 74. Abduction and adduction is moving away and towards the midline respectively a. true b. false

Answer 1

63)Thrombocytopenia leads to bleeding under the skin due to low platelet causing petecchiea rash or ecchymosis _True

64)Here point mutation occurs in the hemoglobin where the amino acid z (polar aminoacid ) is replaced by less polar non polar aminoacid) at 6th position of Beta chain_False

65) Lymphocytes is a form of WBC within lymphoid tissue in the thymus gland .B cells are responsible for humoral immunity _True

66)The main property of natural killing cells are they are able to kill or attack the cells which are found unhealthy or mutated without any prior exposure _True