What is osteopenia? Name and define two forms of osteopenia
Osteopenia is a general term for reduced bone mass. Osteoporosis and osteomalacia are forms. Osteoporosis is a condition of reduced bone density, bone weakness, and pain resulting from the loss of mineral from bone with advancing age. Osteomalacia is bone weakness caused by insufficient calcium deposits. It is known as rickets in the young.
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You are a new pediatrician at an office where you've inherited cases from a previous doctor and are sitting down to go through case files. Today you'll be seeing Trevor, a toddler who has been diagnosed with a disease called megacolon. Back in medical school you learned that megacolon can be characterized by partial paralysis of the the nerves found within the wall of the GI system. Which of the following is likely to be among Trevor's symptoms?
A. Diarrhea B. Constipation and a swollen-looking belly C. Discolored feces due to lack of Bile D. Abnormal blood glucose regulation E. Incomplete denaturation of ingested proteins
Mr. Martin is suffering from a condition known as ventricular tachycardia, in which his heart beats too quickly. Would an alpha-blocker or a beta-blocker help alleviate his problem? Why?
The ability of a muscle to return to its original length is called _____.?
A) ?excitability B) ?elasticity C) ?contractility D) ?extensibility
Assume a person has a blood pressure recording of 125/77
(a) What is the systolic pressure? ____________________ (b) What is the diastolic pressure? ____________________ (c) What is the pulse pressure? ____________________ (d) What is the mean arterial pressure? ____________________ (e) Would any sound be heard when the pressure in an external cuff around the arm was 130 mm Hg? ____________________ (f) Would any sound be heard when cuff pressure was 118 mm Hg? ____________________ (g) Would any sound be heard when cuff pressure was 75 mm Hg? ____________________