BIOL 2402 Lone Star College -BIOL 2402 FINAL EXAM
REVIEW Questions | 2026/2027 | Answers Correct | With
Complete Solutions
________ provides short-term energy after cellular glucose
supplies are depleted.
A. Triglycerides
B. Proteins
C. Amino acids
D. Glycogen Correct Answers D. Glycogen
__________ controls hormone concentrations.
A. Positive feedback
B. Negative feedback
C. A thermostat
D. DNA
E. Neutral feedback Correct Answers B. Negative Feedback
"Formed elements" are
A. sodium and potassium.
B. blood cells and platelets.
C. serum and plasma.
D. blood and lymph.
E. tiny clots Correct Answers B. Blood cells and platelets
"I'm going to hold my breath until I turn blue and stop breathing
and die and it will be all your fault!" shrieked the 6-year-old at
her father. The child was unable to carry out her threat because
A. she never stopped talking long enough to try to hold her
breath.
,B. increased CO2 and hydrogen ion concentration and decreased
oxygen concentration stimulate chemoreceptors.
C. decreased CO2 and hydrogen ion concentration and increased
oxygen concentration stimulate chemoreceptors.
D. she could not take in enough oxygen.
E. none of the above. Correct Answers B. increased CO2 and
hydrogen ion concentration and decreased oxygen concentration
stimulate chemoreceptors.
5. A renal corpuscle includes the
A. glomerulus and glomerular capsule.
B. glomerulus and renal tubule.
C. glomerular capsule and renal tubule.
D. renal tubule and collecting tubule.
E. red blood cells and hemoglobin Correct Answers A.
glomerulus and glomerular capsule.
5. Peristalsis occurs in the digestive tract
A. from the pharynx to the anus.
B. in the stomach and small intestine only.
C. in the small and large intestines only.
D. in the stomach, small intestine, and large intestine. Correct
Answers A. from the pharynx to the anus.
7. A nephron consists of
A. a renal corpuscle and a renal tubule.
B. an afferent and efferent arteriole.
C. a cortex and a medulla.
D. a bladder and a ureter.
E. peritubular and paratubular capillaries. Correct Answers A.
a renal corpuscle and a renal tubule.
,8. The root canal of a tooth contains
A. dentin.
B. cementum.
C. gingiva.
D. blood vessels and nerves Correct Answers D. blood vessels
and nerves
8. The root canal of a tooth contains
A. dentin.
B. cementum.
C. gingiva.
D. blood vessels and nerves Correct Answers D. blood vessels
and nerves
9. The renal medulla is composed of _____, whereas the renal
cortex is composed of _____.
A. renal pyramids; ureters from nephrons
B. renal columns; renal pyramids and nephrons
C. collecting tubules; peritubular capillaries from nephrons
D. renal pyramids; nephron tubules
E. strings; strands Correct Answers D. renal pyramids; nephron
tubules
10. A renal corpuscle is a _____, whereas a renal tubule is a
_____.
A. cluster of blood capillaries and glomerular capsule; highly
coiled tubule exiting the glomerular capsule
B. special blood cell in the kidneys; tubule that leads from the
kidneys to the bladder
, C. storage area for urine; tubule that carries urine from the
urinary bladder outside
D. glandular structure that regulates blood pressure; blood vessel
that regulates the flow of blood into the glomerulus
E. structure composed of connective tissue; blood vessel
Correct Answers A. cluster of blood capillaries and glomerular
capsule; highly coiled tubule exiting the glomerular capsule
11. Podocytes and pedicels are part of the
A. collecting duct.
B. distal convoluted tubule.
C. urethra.
D. peritubular capillaries.
E. glomerular capsule. Correct Answers E. glomerular capsule.
17. A lymph node consists of Correct Answers compartments
that contain masses of lymphocytes and macrophages
afferent vessels circulating lymph into the node on its convex
surface
lymph nodes
17. The countercurrent mechanism functions primarily in the
A. renal corpuscle.
B. proximal convoluted tubule.
C. distal convoluted tubule
D. nephron loop.
E. ureters. Correct Answers D. nephron loop.
18. Cells in a lymph node that engulf and destroy damaged cells,
foreign substances, and cellular debris are Correct Answers
macrophages
REVIEW Questions | 2026/2027 | Answers Correct | With
Complete Solutions
________ provides short-term energy after cellular glucose
supplies are depleted.
A. Triglycerides
B. Proteins
C. Amino acids
D. Glycogen Correct Answers D. Glycogen
__________ controls hormone concentrations.
A. Positive feedback
B. Negative feedback
C. A thermostat
D. DNA
E. Neutral feedback Correct Answers B. Negative Feedback
"Formed elements" are
A. sodium and potassium.
B. blood cells and platelets.
C. serum and plasma.
D. blood and lymph.
E. tiny clots Correct Answers B. Blood cells and platelets
"I'm going to hold my breath until I turn blue and stop breathing
and die and it will be all your fault!" shrieked the 6-year-old at
her father. The child was unable to carry out her threat because
A. she never stopped talking long enough to try to hold her
breath.
,B. increased CO2 and hydrogen ion concentration and decreased
oxygen concentration stimulate chemoreceptors.
C. decreased CO2 and hydrogen ion concentration and increased
oxygen concentration stimulate chemoreceptors.
D. she could not take in enough oxygen.
E. none of the above. Correct Answers B. increased CO2 and
hydrogen ion concentration and decreased oxygen concentration
stimulate chemoreceptors.
5. A renal corpuscle includes the
A. glomerulus and glomerular capsule.
B. glomerulus and renal tubule.
C. glomerular capsule and renal tubule.
D. renal tubule and collecting tubule.
E. red blood cells and hemoglobin Correct Answers A.
glomerulus and glomerular capsule.
5. Peristalsis occurs in the digestive tract
A. from the pharynx to the anus.
B. in the stomach and small intestine only.
C. in the small and large intestines only.
D. in the stomach, small intestine, and large intestine. Correct
Answers A. from the pharynx to the anus.
7. A nephron consists of
A. a renal corpuscle and a renal tubule.
B. an afferent and efferent arteriole.
C. a cortex and a medulla.
D. a bladder and a ureter.
E. peritubular and paratubular capillaries. Correct Answers A.
a renal corpuscle and a renal tubule.
,8. The root canal of a tooth contains
A. dentin.
B. cementum.
C. gingiva.
D. blood vessels and nerves Correct Answers D. blood vessels
and nerves
8. The root canal of a tooth contains
A. dentin.
B. cementum.
C. gingiva.
D. blood vessels and nerves Correct Answers D. blood vessels
and nerves
9. The renal medulla is composed of _____, whereas the renal
cortex is composed of _____.
A. renal pyramids; ureters from nephrons
B. renal columns; renal pyramids and nephrons
C. collecting tubules; peritubular capillaries from nephrons
D. renal pyramids; nephron tubules
E. strings; strands Correct Answers D. renal pyramids; nephron
tubules
10. A renal corpuscle is a _____, whereas a renal tubule is a
_____.
A. cluster of blood capillaries and glomerular capsule; highly
coiled tubule exiting the glomerular capsule
B. special blood cell in the kidneys; tubule that leads from the
kidneys to the bladder
, C. storage area for urine; tubule that carries urine from the
urinary bladder outside
D. glandular structure that regulates blood pressure; blood vessel
that regulates the flow of blood into the glomerulus
E. structure composed of connective tissue; blood vessel
Correct Answers A. cluster of blood capillaries and glomerular
capsule; highly coiled tubule exiting the glomerular capsule
11. Podocytes and pedicels are part of the
A. collecting duct.
B. distal convoluted tubule.
C. urethra.
D. peritubular capillaries.
E. glomerular capsule. Correct Answers E. glomerular capsule.
17. A lymph node consists of Correct Answers compartments
that contain masses of lymphocytes and macrophages
afferent vessels circulating lymph into the node on its convex
surface
lymph nodes
17. The countercurrent mechanism functions primarily in the
A. renal corpuscle.
B. proximal convoluted tubule.
C. distal convoluted tubule
D. nephron loop.
E. ureters. Correct Answers D. nephron loop.
18. Cells in a lymph node that engulf and destroy damaged cells,
foreign substances, and cellular debris are Correct Answers
macrophages
