Which of the following automatic sprinkler system valves is used to limit the flow of water to one direction?
A. Drain valves
B. Check valves
C. Globe valves
D. Ball-drop valves
Answer: B. Check valves
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Your patient is a nine-year-old female who was struck by a vehicle as she ran across the street. She is unresponsive and has a hematoma over the left parietal area and an open, depressed skull fracture on the right parietal area. She has bruising on the left flank and hip. She is breathing irregularly at 8 times per minute and has a heart rate of 56. She has a faint carotid pulse but no radial
pulse. Which of the following is/are most likely to account for your patient's heart rate? 1. Normal range for a healthy, fit, nine-year-old child 2. Hypoxia due to impaired respiratory status secondary to traumatic brain injury 3. Increasing intracranial pressure due to traumatic brain injury exacerbated by hypoxia 4. Myocardial contusion A) 3 B) 4 C) 1 D) 2 and 3
Sildenafil (Viagra) achieves its therapeutic action in the treatment of erectile dysfunction by:
A) enhancing neuronal stimulation of the amygdala in the brain. B) stimulating parasympathetic receptors in the nerve fibers leading to the sexual organs. C) stimulating sympathetic receptors in the nerve fibers leading to the sexual organs. D) relaxing vascular smooth muscle, which increases blood flow to the corpus cavernosum.
What is an irregular-shaped, elevated scar that grows beyond the boundaries of the orig-inal wound?
a. Keloid b. Pustule c. Bulla d. Fissure
Today's mice are ____________________ timid than their ancestors
Fill in the blank(s) with correct word