A10-year-old boy presents after noticing red streaks in his stool that began yesterday. he also complains of crampy periumbilical pain and his stools have been looser than normal since yesterday. a stool guaiac is positive. exam is notable for non-blanching pinpoint macules on his ankles that appear slightly urticarial. what is the most likely etiology of the child's hematochezia?

abacterial enteritis
bhemolytic uremic syndromeyour answer
chenoch-schönlein purpuracorrect answer
dmeckel's diverticulum

Henoch-Schönlein purpura.

Explanation:

Henoch-Schönlein purpura may be defined as the medical condition of the inflammation of the IgA antibodies in the blood vessels. This condition causes purpuric rash.

This disease mainly occurs on the lower extremities of the body and can show reddish purple patches. This might also cause vasculature and leads to the cramping in the abdominal area of the body.  The stool guaiac test is positive in this condition.

Thus, the correct answer is option (C).

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.

not sure if this what   you'r looking for would be percent composition