The diffusion of oxygen and nutrients from the blood into the body tissues occurs in the:
A) heart
B) aorta
C) lungs
D) capillary bed
D
Explanation: The diffusion of oxygen and nutrients from the blood into the body tissues occurs in the capillary bed. The other choices are incorrect.
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Which of the following surgical procedures removes superficial skin lesions with scraping?
A) curettage B) cryosurgery C) debridement D) cauterization
Answer the following statement(s) true (T) or false (F)
1. Anticholinergics, such as Dicyclomine, act to help calm the bowel by decreasing motility. 2. Cigarette smoking seems to have little or no effect on the effectiveness of medicines used to treat duodenal ulcers. 3. Bismuth subsalicylate has anti-infective properties as well as antisecretory properties in treating diarrhea. 4. Probiotics are a natural treatment for diarrhea and are safe for use in patients with recent organ transplants or valve replacement surgeries. 5. Glycerine suppositories may produce a bowel movement within 15–60 minutes after administration.
The nasal cavity is divided down the middle by the:
a. palate b. sinuses c. nasal septum d. nares
Snus differs from other tobacco products in that it
a. is less carcinogenic c. is packaged in small pouches b. does not require spitting d. all of the above