Bios 256 discussion Study guides, Class notes & Summaries

Explain what is meant by the terms fluid balance, electrolyte balance, and acid-base balance, anddiscuss their importance for homeostasis. List the most frequent threats to acid-base balance andexplain how the body responds when the pH of body fluids varies outside normal limits.

The digestive system is composed of two parts: the alimentary canal and the accessory digestive structures. These two parts of the system work together to break down food into absorbable units and eliminate the non-digested material as feces. Let's begin by identifying each of the organs in the alimentary canal and the accessory digestive structures.

Peptic Ulcer Disease: A Case on the Digestive System It’s Friday morning and Sal Volpe is sitting in Dr. Lorraine’s exam room, dozing after another night of disrupted sleep. When the doctor knocks and walks in, she finds the 66-year-old man looking exhausted and uncomfortable. Sal gets to the reason for his visit immediately: He’s been suffering from “stomach aches” (dyspepsia) that wake him at night and nag him in between meals during the day. He describes his pain as gnawing, bu...

3 major prenatal period: - • Germinal period • Embryonic period • Fetal period 1) Germinal period: - this is for 2 weeks. Zygote forms after fertilization which after passing through fallopian tube, get implanted on uterus. 2) embryonic period: - this is from 3 weeks to 8 weeks. Most major organs like heart, brain etc. form in this stage. Basic structure of eyes, ears, nose, mouth form in this stage. 3) fetal period: - it is from 9 weeks till birth. It is final stage. In this, el...

1. Provide a detailed description of the path of chyme, and later feces, from the duodenum to the anus, identifying the different portions of the small and large intestines. 2. Describe 2 important functions of the small intestine. 3. Describe 2 important functions of the large intestine 4. Diverticulitis most often affects the sigmoid colon. Based on your knowledge of its location in the abdomen in which of the following quadrants do you predict the location of pain to be? 5. If diverticul...