Which of the following molecules would double-negative T cells fail to express?
A. CD3
B. CD4
C. MHC class I
D. TAP
E. All of the above
B
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Answer the following statements true (T) or false (F)
1. Vigorous exercise just before sleep raises an individual’s core body temperature and induces drowsiness and deeper sleep. 2. One should avoid eating heavy meals within three hours of bedtime, particularly meals with high fat content. 3. An individual napping more than 45 minutes will be less groggy than an individual napping 15–45 minutes. 4. Research has shown that people sleeping in an upright position have sleep that is poor in quality compared to those who sleep in a horizontal position. 5. If you have a hard time falling asleep, a good strategy is to make yourself stay in bed as long as it takes you to fall asleep.
Which of the following contributes positively to one's physical wellness?
A. being open to new ideas B. eating a balanced diet C. maintaining an optimistic attitude D. maintaining satisfying relationships
Hydrochloric acid does all of the following actions except
a. produce digestive enzymes b. generate peristalsis to propel food c. block the flow of substances when it is contracted d. produce bile
A nurse has finished teaching a client's husband how to administer drugs and enteral feeding through a gastrostomy tube. The nurse knows the husband understands the teaching when he makes which statements?
A. "My wife has a gastrostomy tube instead of a nasogastric tube because she will have the tube for a long time." B. "I will need to use liquid medications. If any of the medications are in pill form, I will use the pill crusher to crush them and mix them with water before putting them in the tube." C. "This medication says it is enteric coated. I'm not supposed to crush this kind of medication. I will need to ask the physician to substitute another medication that is liquid or can be crushed." D. "There's a big difference in how the drugs work in the body when they're taken orally and when they're administered through the tube. That's why my wife has to have this tube." E. "I have to be very careful to flush the tube after I put medication in it. If I don't, the tube could get clogged."