Which of the following statements is true about the formation of feces?
A. The rectum removes water and minerals from the residual waste product and compresses the waste into feces for excretion through the anus.
B. The small intestine compresses the waste into feces for excretion.
C. Contractions of the small intestine move digested food and chyme toward the colon.
D. None of these are correct.
Answer: C
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Rivka is an active 21-year-old who decided to take a day off from her university classes. The weather was hot and the sun bright, so she decided to go down to the beach
When she arrived, she found a few people playing beach volleyball, and they asked if she wanted to join in. She put down her school bag and began to play. The others were well prepared for their day out and stopped throughout the game to have their power drinks and soda pop. Several hours after they began to play, however, Rivka was not feeling so good. She stopped sweating and was feeling dizzy. One player noted she had not taken a washroom break at all during the day. They found a shaded area for her, and one of the players shared his power drink with her. Rivka was thirstier than she realized and quickly finished the drink. In pronounced dehydration, hypotension can occur. How would this affect the glomerular filtration rate of the kidney? What actions by the juxtaglomerular apparatus would occur to restore GFR? What is the effect aldosterone has on the distal convoluted tubule? Why would the actions of aldosterone be useful to Rivka in her situation? What does a specific gravity test measure? If someone tested the specific gravity of Rivka's urine, what might it indicate?
A 65-year-old female admitted with a fractured hip tells the nurse that she was unaware that she has osteoporosis. Which of the following is the nurse's best response to this patient?
1. "Sometimes the first sign of the disorder is a fracture.". 2. "It is rare for someone your age to have the disorder.". 3. "Everyone has it.". 4. "There is no way to prevent the disorder.".
Esma suffered a serious head injury in a car crash about three months ago. Since the accident, Esma has had trouble learning and remembering new things and problems with hearing. Which of the following parts of her cerebrum has most likely suffered damage?
A. The temporal lobe B. The occipital lobe C. The parietal lobe D. The frontal lobe
Nasal decongestants alleviate nasal congestion by
a- drying secretions b- causing vasoconstriction c- causing vasodilation d- drying secretions and causing vasoconstriction e- drying secretions and causing vasodilation