On which bone would you find extensive sites for muscle attachments?
a. scapula
b. sternum
c. patella
d. rib
e. metatarsals
ANSWER: a
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The permanent stained smear protocol of the O&P examination:
a. requires freshly passed, unpreserved stool. b. is designed to allow the detection of pro-tozoan cysts, coccidian oocysts, micro-sporidial spores, and helminth eggs and larvae. c. is microscopically examined at low, high dry, and oil immersion magnifications. d. is designed to facilitate the identification of intestinal protozoa.
In cells with a normally functioning CFTR molecule, this molecule moves chloride ions (with
a negative charge) out of the cell to the covering mucus on the outside. Positively charged sodium ions then follow these chloride ions out of the cell to maintain electrical balance. This increases the total electrolyte concentration in the mucus, resulting in the movement of water out of the cell, and this water helps provide a fluid environment. People that have a defective gene (and thus a nonfunctioning CFTR molecule) produce abnormally thick and sticky mucus that builds up in the ducts and passageways. The buildup of this sticky mucus results in lifethreatening lung infections and serious digestive problems. Many charged particles such as ions cannot pass directly across the plasma membrane. Thus, passive transport of the chloride and sodium ions occurs via what process?
a. facilitated diffusion b. active transport c. bulk transport d. osmosis
How are NADH and FADH2 related?
a. They both directly produce ATP. b. They are both used in glycolysis. c. They both contain high energy phosphates. d. They both contain high energy electrons. e. They are both in the oxidized form.
Bone-forming cells that secrete unmineralized bone matrix called osteoid. Osteoblasts are actively mitotic.
What will be an ideal response?