cells can be differentiated by - ANSWER whether or not they contain a nucleus
a nerve cell has many mitochondria - ANSWER false
which of the following vitamins is not a fat soluble vitamin - ANSWER niacin
the simplest and most rapid method of energy production is the formation of ATP by
phosphocreatine breakdown - ANSWER true
which of the following foods is not a complete protein source - ANSWER black beans
the digestive tract is made up of a series of hollow organs joined in a long twisted
tube from the mouth to the anus - ANSWER true
the TCA cycle reactions occur in the - ANSWER inner compartment of the
mitochondria
the recommended protein intake for strength and endurance athletes is 8g/kg/bw/day
- ANSWER false
the lower esophageal sphincter lies between the - ANSWER esophagus and
stomach
the phases of energy production include - ANSWER ATP, glycolysis, TCA cycle, and
ETC
glycolysis occurs in the mitochondria of the cell - ANSWER false
in energy production, pyruvate enters - ANSWER both the aerobic and anaerobic
pathways
factors that contribute to catabolism of muscle include - ANSWER fasting, starvation,
illness, stress, caffeine, alcohol, and inadequate rest
phospholipids are a class of lipids that are a major component in all muscle
contractions - ANSWER false
carb loading refers to - ANSWER consume 8-10 grams of carbs per bw/day 1-3 days
prior to an event, 36-48 before the event consume 10-12 grams of CHO per kg BW
every 24 hours
the sum of calories expended on a daily basis includes - ANSWER BMR, thermic
effect of food, and physical activity
thermic effect of food refers to the number of calories utilized at rest - ANSWER false
, specialization of 3 segments of the small intestines allows for absorption of nutrients
in different areas along the small intestines - ANSWER true
a stroke occurs when - ANSWER a clot blocks the blood supply to the brain or when
a blood vessel in or around the brain burtsts
some of the most important treatable risk factors for stroke include - ANSWER
hypertension, cigarette smoking, heart disease, warning signs or history of TIA,
diabetes, physical inactivity, and obesity
a major role of cholesterol is - ANSWER modulating membrane fluidity
a large substantial proportion of cancers could be prevented by eliminating cell
phone usage, microwave usage, and computer usage - ANSWER false
all cancers involve the malfunction of genes that control cell growth and division -
ANSWER true
at least 21 studies have found an inverse relationship between physical activity and
lung cancer risk - ANSWER true
BG homeostasis is regulated primarily by the hormones - ANSWER insulin,
glucagon, epinephrine and norepinephrine
which of the following is not a non-insulin dependent cell - ANSWER fat cell
the pancreas produces - ANSWER a wide variety of enzymes that breakdown CHO,
fats and proteins
absorbed fatty acids and CHO are reassembled and transported throughout the body
via - ANSWER lipoproteins
the exogenous pathway for lipoprotein metabolism refers to - ANSWER
chylomicrons that are secreted from the intestinal epithelial cells into the lymphatic
system
steroids are organic compounds derived from the 17 carbon atoms composed of 4
rings - ANSWER true
one should avoid eating fish bc of the PCBs and mercury found in all types of fish -
ANSWER false
the hormone in the small intestines that signals the gal bladder to release bile (which
emulsifies fat) is - ANSWER cholecytokinin
the two essential fatty acids are eicosanoids and prostaglandins - ANSWER false
essential fatty acids function to hold oxygen in cell membranes where they act as a
barrier to foreign organisms - ANSWER true