Which of the following is found orbiting the atom?
A. Nucleus
B. Electron
C. Proton
D. Neutron
Answer: B
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As carbon dioxide enters systemic blood, it causes more oxygen to dissociate from hemoglobin (the Haldane effect), which in turn allows more CO2 to combine with hemoglobin and more bicarbonate ions to be generated (the Bohr effect)
Indicate whether the statement is true or false
After sperm are produced, they are delivered first to the
A) vas deferens B) urethra C) epididymis D) seminal vesicle
A 51-year-old man with type 2 diabetes presents with confusion, blurred vision, and signs of significant dehydration. According to the man's wife, he has had a fever and flu-like symptoms for the past few days. She further tells you that he has "stuck to his diet" as advised by his physician. His blood pressure is 90/50 mm Hg, pulse is 120 beats/min and weak, and respirations are rapid and shallow. You assess his blood glucose level, which reads "high." This patient is MOST likely:
A) producing ketones due to fat metabolism. B) experiencing hyperosmolar nonketotic coma. C) significantly acidotic and requires bicarbonate. D) hyperglycemic secondary to being dehydrated.
Which age-related change on the excretory system is it most important for a physician to understand?
A. Drugs are cleared less efficiently with age, so drugs remain in circulation longer. B. Responsiveness to ADH increases in the elderly. C. The glomerular filtration rate decreases. D. The size of the kidneys and the number of functioning nephrons decrease.