BIOL 1120 FINAL EXAM WITH CORRECT
ANSWERS 2025
Which of the following is not a contribution of the pancreas to ( corre
digestion? answers ) bile ct
Which choice correctly matches an organism with the predominant form of
waste it
nitrogenous ( correct answers )
produces? bird - human - urea
uric acid
fish - ammonia
glomerulus ( correct answers ) Filtration of blood
ascending loop of Henle( correct answers ) Reabsorption of sodium
ions and chloride ions without water reabsorption
proximal convoluted tubule ( correct answers )
Reabsorption of a variety of essential organic nutrients and ions
descending loop of Henle ( correct answers )
Reabsorption of water only
Which of the following molecules cannot be easily absorbed in the
human small intestine?
amino
acids
starch
fatty acids
fructose (
correct
answers )
starch
The flow of urine thorough the human excretory system is
( correct answers ) kidney, ureter, bladder,
urethra
Which choice correctly describes the role of the liver in human digestion?
( correct answers ) The liver produces bile salts that mix with food in the
small intestine.
Which of the following correctly describes absorption of organic nutrients in
the human digestive tract? ( correct answers ) Monosaccharides and
amino acids are absorbed into the absorptive cells of the small intestine.
Hydra ( correct answers ) Digestion occurs in a gastrovascular cavity
Cow ( correct answers ) System of four stomachs specialized for
, Nematode ( correct answers ) Invertebrate with complete digestive
tract
Bird ( correct answers ) Uses gizzard for physical digestion
Which of the following choices correctly describes protein digestion in
the human digestive tract? ( correct answers ) Proteins are broken
down by pepsin in the stomach and by trypsin in the small intestine.
Pepsin ( correct answers ) protein - smaller protein
lactase ( correct answers ) lactose- glucose and
galactose amylase ( correct answers )
starch-smaller starches
lipase ( correct answers ) Triglyceride - diglyceride
and fatty acids
In the case of dehydration, which of the following physiological processes
occurs restores water balance? ( correct answers ) ADH increases water
reabsorption at the collecting duct of the nephron.
What is the pathway of food through the human digestive tract? ( correct
answers ) oral cavity, pharynx, esophagus, stomach, small intestine, large
intestine, rectum, anus
Which of the following is an important process of mechanical digestion in
humans? ( correct answers )
Mastication in the oral cavity
Aldosterone ( correct answers ) Conservation of body
water Insulin ( correct answers ) Lowers blood glucose
concentration
Oxytocin ( correct answers ) Causes uterine
contractions Thyroxine ( correct answers )
Increases metabolic rate
PTH is a hormone that can raise blood calcium ion concentration. The
physiological effect of a hormone antagonistic to PTH would ( correct
answers ) lower blood calcium ion
concentration.
What is the role of acetylcholine (ACh) in skeletal muscle function?
( correct answers ) ACh interacts with receptors on the sarcolemma to start
an action potential in the muscle fiber.
A difference between the function of a neurotransmitter and a
ANSWERS 2025
Which of the following is not a contribution of the pancreas to ( corre
digestion? answers ) bile ct
Which choice correctly matches an organism with the predominant form of
waste it
nitrogenous ( correct answers )
produces? bird - human - urea
uric acid
fish - ammonia
glomerulus ( correct answers ) Filtration of blood
ascending loop of Henle( correct answers ) Reabsorption of sodium
ions and chloride ions without water reabsorption
proximal convoluted tubule ( correct answers )
Reabsorption of a variety of essential organic nutrients and ions
descending loop of Henle ( correct answers )
Reabsorption of water only
Which of the following molecules cannot be easily absorbed in the
human small intestine?
amino
acids
starch
fatty acids
fructose (
correct
answers )
starch
The flow of urine thorough the human excretory system is
( correct answers ) kidney, ureter, bladder,
urethra
Which choice correctly describes the role of the liver in human digestion?
( correct answers ) The liver produces bile salts that mix with food in the
small intestine.
Which of the following correctly describes absorption of organic nutrients in
the human digestive tract? ( correct answers ) Monosaccharides and
amino acids are absorbed into the absorptive cells of the small intestine.
Hydra ( correct answers ) Digestion occurs in a gastrovascular cavity
Cow ( correct answers ) System of four stomachs specialized for
, Nematode ( correct answers ) Invertebrate with complete digestive
tract
Bird ( correct answers ) Uses gizzard for physical digestion
Which of the following choices correctly describes protein digestion in
the human digestive tract? ( correct answers ) Proteins are broken
down by pepsin in the stomach and by trypsin in the small intestine.
Pepsin ( correct answers ) protein - smaller protein
lactase ( correct answers ) lactose- glucose and
galactose amylase ( correct answers )
starch-smaller starches
lipase ( correct answers ) Triglyceride - diglyceride
and fatty acids
In the case of dehydration, which of the following physiological processes
occurs restores water balance? ( correct answers ) ADH increases water
reabsorption at the collecting duct of the nephron.
What is the pathway of food through the human digestive tract? ( correct
answers ) oral cavity, pharynx, esophagus, stomach, small intestine, large
intestine, rectum, anus
Which of the following is an important process of mechanical digestion in
humans? ( correct answers )
Mastication in the oral cavity
Aldosterone ( correct answers ) Conservation of body
water Insulin ( correct answers ) Lowers blood glucose
concentration
Oxytocin ( correct answers ) Causes uterine
contractions Thyroxine ( correct answers )
Increases metabolic rate
PTH is a hormone that can raise blood calcium ion concentration. The
physiological effect of a hormone antagonistic to PTH would ( correct
answers ) lower blood calcium ion
concentration.
What is the role of acetylcholine (ACh) in skeletal muscle function?
( correct answers ) ACh interacts with receptors on the sarcolemma to start
an action potential in the muscle fiber.
A difference between the function of a neurotransmitter and a
