Which statement reflects the most accurate assessment of dietary intake?
a. An older adult weighing herself at home in the morning and before bedtime
b. A new breastfeeding mom recording what she ate over the past 24 hours
c. A dietitian interviewing a woman about what she ate over the past 24 hours and verifying her responses with a crosscheck food frequency questionnaire
d. A physician asking the height of an 80-year-old male patient
e. A physician assessing a patient's physical characteristics, such as brittle hair, to identify nutrition-related problems
c
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Under normal conditions, sodium is actively pumped out of cells while potassium is simultaneously pumped into cells
Indicate whether the statement is true or false
What is the rationale for the fat cell theory of obesity?
a. Fat cell number increases dramatically after puberty. b. Fat cell number in an adult can decrease only by fasting. c. Fat cell number increases most readily in late childhood and early puberty. d. Weight gain from overeating in adults takes place primarily by increasing the number of fat cells. e. Weight loss in adolescents and adults occurs when fat cells are lysed and their numbers decrease.
What is the normal range of osmolality for the blood?
a. 280 to 320 mOsm/kg H2O b. 325 to 375 mOsm/kg H2O c. 380 to 420 mOsm/kg H2O d. 425 to 475 mOsm/kg H2O e. 580 to 620 mOsm/kg H2O
An individual is at risk of collapsing if ____percent of body weight is due to water loss.
a. 2 b. 7 c. 15 d. 25 e. 33