BIOCHEMISTRY EXAM QUESTIONS AND
ANSWERS
Which of the following is a hinge joint?
A. -Jaw
B. -Thumb
C. -Shoulder
D. -Wrist
Which structure is served and tied off as part of the
vasectomy procedure?
A. -Te-Epididymis
B. -Vas Deferens
C. -Seminal Vesicle
sites
Which of the following occurs when the thyroid gland
releases calcitonin?
A. -The bones break down
B. -Osteoclast activity is enabled
C. -The bones release calcium
D. -Building of the bones occurs
Emphysema caused by damage to alveoli from toxins
and pollutants is like to result in the body having
difficulty performing which of the following actions?
A. -Exchanging oxygen and carbon dioxide
B. -Releasing histamine and acetylcholine
C. -Absorbing food
D. -Producing enzymes
Which of the following pathways best represents the expected
flow of blood from the human heart to an organ?
a. Blood pumped from the heart first enters arteries that
then narrow to form veins that deliver blood to the organ.
b. Blood pumped from the heart first enters arterioles that
then merge to form arteries that deliver blood to the
organ
, c. Blood pumped from the heart first enters veins that then
narrow to form venules that deliver blood to arteries of
the organ.
d. Blood pumped from the heart first enters arteries that then
narrow to form arterioles from that deliver blood to the
capillaries of the organ.
How much stronger is the hydrogen ion concentration of a pH 4
solution as compared with a pH 9 solution?
A. -100,000
B. -50
C. -0.000001
D. -5 -
which of the following digestive system structures releases
sodium bicarbonate, changing the pH of chyme from acidic to
basic?
A. -Gallbladder
B. -Appendix
C. -Liver
D. -Pancreas
Metabolism is known as which of the following types of
respiration
A. -Internal
B. -External
C. -Cellular
D. -Pulmonary
Which of the following hormones is responsible for
regulating sodium reabsorption in the kidneys?
A. -Calcitriol
B. -Erythropoietin
C. -Thyroxine
D. -Aldosterone
, A student conducts an experiment in which he dissolves 1.0
grams of each of several substances in 50 millimeters of water.
He has 12 identical plastic cups of water. He places 1.0 grams of
salt into three of the cups, 1.0 grams of sugar into three of the
cups, and 1.0 grams of backing soda into three of the cups. The
three remaining cups contain only water. He places all of the
cups in a freezer and records the temperature of the water in
each cup every 15 minutes for 4 hours. Which of the following
questions is the student most likely testing? - What effect do
different concentrations of solute have on the freezing point of
water?
Sunlight can damage epithelial cells but limited exposure to
ultraviolet radiation results in the beneficial production of which
of the following? - VITAMIN D
Which of the following organs releases bicarbonate as a response
to the release of secretin by the duodenum?
A. -Spleen
B. -Liver
C. -Pancreas
D. -Gallbladder
Which of the following cellular organelles releases the energy
contained in food?
A. -Centrioles
B. -Ribosomes
C. -Mitochondria
D. -Golgi Apparatus
Which of the following organs filters excess solutes from
the blood?
A. -Kidney
B. -Spleen
C. -Gallbladder
D. -Stomach
ANSWERS
Which of the following is a hinge joint?
A. -Jaw
B. -Thumb
C. -Shoulder
D. -Wrist
Which structure is served and tied off as part of the
vasectomy procedure?
A. -Te-Epididymis
B. -Vas Deferens
C. -Seminal Vesicle
sites
Which of the following occurs when the thyroid gland
releases calcitonin?
A. -The bones break down
B. -Osteoclast activity is enabled
C. -The bones release calcium
D. -Building of the bones occurs
Emphysema caused by damage to alveoli from toxins
and pollutants is like to result in the body having
difficulty performing which of the following actions?
A. -Exchanging oxygen and carbon dioxide
B. -Releasing histamine and acetylcholine
C. -Absorbing food
D. -Producing enzymes
Which of the following pathways best represents the expected
flow of blood from the human heart to an organ?
a. Blood pumped from the heart first enters arteries that
then narrow to form veins that deliver blood to the organ.
b. Blood pumped from the heart first enters arterioles that
then merge to form arteries that deliver blood to the
organ
, c. Blood pumped from the heart first enters veins that then
narrow to form venules that deliver blood to arteries of
the organ.
d. Blood pumped from the heart first enters arteries that then
narrow to form arterioles from that deliver blood to the
capillaries of the organ.
How much stronger is the hydrogen ion concentration of a pH 4
solution as compared with a pH 9 solution?
A. -100,000
B. -50
C. -0.000001
D. -5 -
which of the following digestive system structures releases
sodium bicarbonate, changing the pH of chyme from acidic to
basic?
A. -Gallbladder
B. -Appendix
C. -Liver
D. -Pancreas
Metabolism is known as which of the following types of
respiration
A. -Internal
B. -External
C. -Cellular
D. -Pulmonary
Which of the following hormones is responsible for
regulating sodium reabsorption in the kidneys?
A. -Calcitriol
B. -Erythropoietin
C. -Thyroxine
D. -Aldosterone
, A student conducts an experiment in which he dissolves 1.0
grams of each of several substances in 50 millimeters of water.
He has 12 identical plastic cups of water. He places 1.0 grams of
salt into three of the cups, 1.0 grams of sugar into three of the
cups, and 1.0 grams of backing soda into three of the cups. The
three remaining cups contain only water. He places all of the
cups in a freezer and records the temperature of the water in
each cup every 15 minutes for 4 hours. Which of the following
questions is the student most likely testing? - What effect do
different concentrations of solute have on the freezing point of
water?
Sunlight can damage epithelial cells but limited exposure to
ultraviolet radiation results in the beneficial production of which
of the following? - VITAMIN D
Which of the following organs releases bicarbonate as a response
to the release of secretin by the duodenum?
A. -Spleen
B. -Liver
C. -Pancreas
D. -Gallbladder
Which of the following cellular organelles releases the energy
contained in food?
A. -Centrioles
B. -Ribosomes
C. -Mitochondria
D. -Golgi Apparatus
Which of the following organs filters excess solutes from
the blood?
A. -Kidney
B. -Spleen
C. -Gallbladder
D. -Stomach
