Why is a control group necessary for intervention trials?
The control group provides the comparison that can be used
to verify that the treatment/intervention has resulted in any
changes observed.
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When calcium concentrations are low, what type of absorption most likely occurs?
a. Passive diffusion b. Active transport c. Facilitated diffusion d. Passive transport
Which of the following molecules carries cholesterol from the liver to the tissues?
a. Albumin b. Cholesterol transport protein c. LDL d. HDL
The fertilized egg is called an embryo from _____
a. conception until birth b. conception through 8 weeks c. conception through 4 months d. 8 weeks until birth e. 9 months until birth
Which is an example of a risk factor for weight loss and malnutrition in older adults?
a. decreased nutrient needs b. vision changes c. increased food access from supermarkets and convenience stores d. missed meals due to medical tests e. cardiovascular disease