Which community-dwelling healthy person has the greatest risk for dehydration when exposed to a hot, dry environment for several hours?
A. 50-year-old man
B. 50-year-old woman
C. 80-year-old man
D. 80-year-old woman
D
Much of the total body water is located inside muscle cells. Women of any age have less muscle and more fat than a man of the same age, resulting in less total body water and a greater risk for dehydration when exposed to water-losing environmental conditions. As people age, muscle mass is lost. Thus, the person at greatest risk for dehydration is an older woman.
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Which neurotransmitters are most responsible for wakefulness? Select all that apply
a. Gamma-aminobutyric acid (GABA) b. Norepinephrine c. Acetylcholine. d. Dopamine e. Serotonin.
Explanation: A) The hypoxia that can result from groups of sickle cells clumping together and obstructing blood flow often results in tissue ischemia, which can lead to the development of a significant level of pain in the back, chest, and extremities. The pain is accompanied by other signs of ischemic damage, such as swelling, tenderness, a rapid respiratory rate, and hypertension. B) The
hypoxia that can result from groups of sickle cells clumping together and obstructing blood flow often results in tissue ischemia, which can lead to the development of a significant level of pain in the back, chest, and extremities. The pain is accompanied by other signs of ischemic damage, such as swelling, tenderness, a rapid respiratory rate, and hypertension. C) The hypoxia that can result from groups of sickle cells clumping together and obstructing blood flow often results in tissue ischemia, which can lead to the development of a significant level of pain in the back, chest, and extremities. The pain is accompanied by other signs of ischemic damage, such as swelling, tenderness, a rapid respiratory rate, and hypertension. D) The hypoxia that can result from groups of sickle cells clumping together and obstructing blood flow often results in tissue ischemia, which can lead to the development of a significant level of pain in the back, chest, and extremities. The pain is accompanied by other signs of ischemic damage, such as swelling, tenderness, a rapid respiratory rate, and hypertension. A) Low platelet count B) Elevated fibrinogen level C) Decreased D-dimer level D) Shortened PT level
Factors that place a patient at risk of developing an antimicrobial-resistant organism include:
1. Age over 50 years 2. School attendance 3. Travel within the U.S. 4. Inappropriate use of antimicrobials
Apply gloves
A. immediately before caring for each patient. B. before touching environmental surfaces. C. before touching intact skin. D. before touching the patient's face.