Analysis of an arterial blood sample taken from a healthy athlete reveals a pH of 7.36, a PCO2 of 45 mm Hg, and a PO2 of 43 mm Hg. Which of the following analytic errors should you suspect?
a. Excessive time since sample collection
b. Exposure of the blood sample to air
c. Excessive heparin in the sample
d. Sample admixture with venous blood
ANS: D
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Describe the ligaments of the hip joint. How does the capsule of the joint contribute to joint stability?
What will be an ideal response?
The author states that as needs become more equally distributed across age cohorts in the United States, it is quite possible that the 21st century will see ____
A) a rise in intergenerational struggles for limited resources B) a reframing of ageism to reflect the contemporary global economy C) greater social solidarity between the rich and the poor D) the dissolution of Social Security and Medicare
You are visiting a country that has been plagued by heavy rains and flooding. The population is suffering from widespread disease. Which of the following is the most likely cause of the dis-ease?
a. Cholera c. Legionella b. Influenza d. Salmonellosis
Which of the following does NOT influence the way drug absorption changes as we age?
A) Altered nutritional habits B) Greater use of OTC medications C) Cognitive ability D) Slower gastric emptying