Which of the following best describes kidney function in older adults (70 years or older)?
A) Kidney function decreases due to kidney atrophy.
B) Only about 3% of older adults have any loss of kidney function.
C) Only obese and diabetic older adults have any kidney dysfunction.
D) Kidney function remains the same throughout life, regardless of age.
A
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"Hydrophobic exclusion" refers to the chemical interactions that prevent nonpolar molecules from dissolving in water.
Indicate whether this statement is true or false.
One of your patients is about to undergo emergency surgery to repair an upper abdominal aortic aneurysm. You explain to your patient that there is a distinct risk that when he awakes from surgery, the lower half of his body will be paralyzed
The most likely reason for this is that: A) the anesthesiologist will incorrectly inject the anesthetic fluid into the spinal cord instead of into the lumbar cistern. B) the surgeon will accidentally cut into the spinal cord. C) ligation of the aorta will interrupt blood flow to the great anterior medullary artery (of Adamkiewicz). D) access to the aorta requires partial transaction of the lumbosacral trunk. E) during surgery venous thrombosis may result in a stroke.
Once cleavage starts, the zygote starts dividing, forming cells that are
A) blastocytes. B) morulas. C) blastocysts. D) blastomeres. E) differentiated.
In what type of fracture is the bone broken into many fragments?
a. greenstick b. impacted c. comminuted d. compression