BIOS 256 Week 4 Quiz Final Exam
(Latest Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A –
Chamberlain
1. Which organelle is responsible for energy production in cells?
A) Nucleus
B) Mitochondria
C) Ribosome
D) Lysosome
Correct Answer: B
Rationale: Mitochondria produce ATP through cellular respiration,
providing energy for the cell.
2. Which hormone regulates circadian rhythms?
A) Cortisol
B) Melatonin
C) Insulin
D) Thyroxine
Correct Answer: B
Rationale: Melatonin, secreted by the pineal gland, controls sleep-
wake cycles.
,3. Which connective tissue stores fat?
A) Ligament
B) Adipose tissue
C) Cartilage
D) Bone
Correct Answer: B
Rationale: Adipose tissue stores lipids for energy and insulation.
4. Which blood vessels carry blood toward the heart?
A) Arteries
B) Veins
C) Capillaries
D) Arterioles
Correct Answer: B
Rationale: Veins carry deoxygenated blood from tissues back to the
heart.
5. Which part of the neuron receives signals?
A) Axon
B) Dendrite
C) Soma
D) Myelin sheath
Correct Answer: B
Rationale: Dendrites receive incoming signals from other neurons.
,6. Which hormone increases blood glucose levels?
A) Insulin
B) Glucagon
C) Aldosterone
D) ADH
Correct Answer: B
Rationale: Glucagon stimulates glycogen breakdown to raise blood
glucose.
7. Which organ produces bile?
A) Liver
B) Gallbladder
C) Pancreas
D) Stomach
Correct Answer: A
Rationale: The liver produces bile to emulsify fats for digestion.
8. Which organ stores bile?
A) Gallbladder
B) Liver
C) Pancreas
D) Stomach
Correct Answer: A
Rationale: The gallbladder stores and concentrates bile before
release into the small intestine.
, 9. Which hormone lowers blood glucose levels?
A) Glucagon
B) Insulin
C) Cortisol
D) Adrenaline
Correct Answer: B
Rationale: Insulin promotes glucose uptake by cells, decreasing
blood sugar.
10. Which organ detoxifies chemicals in the blood?
A) Kidney
B) Liver
C) Pancreas
D) Lungs
Correct Answer: B
Rationale: The liver metabolizes drugs and toxins for excretion.
11. Which part of the brain controls voluntary movement?
A) Cerebellum
B) Cerebrum
C) Medulla oblongata
D) Hypothalamus
Correct Answer: B
Rationale: The cerebrum governs voluntary muscle activity and
higher cognitive functions.
(Latest Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A –
Chamberlain
1. Which organelle is responsible for energy production in cells?
A) Nucleus
B) Mitochondria
C) Ribosome
D) Lysosome
Correct Answer: B
Rationale: Mitochondria produce ATP through cellular respiration,
providing energy for the cell.
2. Which hormone regulates circadian rhythms?
A) Cortisol
B) Melatonin
C) Insulin
D) Thyroxine
Correct Answer: B
Rationale: Melatonin, secreted by the pineal gland, controls sleep-
wake cycles.
,3. Which connective tissue stores fat?
A) Ligament
B) Adipose tissue
C) Cartilage
D) Bone
Correct Answer: B
Rationale: Adipose tissue stores lipids for energy and insulation.
4. Which blood vessels carry blood toward the heart?
A) Arteries
B) Veins
C) Capillaries
D) Arterioles
Correct Answer: B
Rationale: Veins carry deoxygenated blood from tissues back to the
heart.
5. Which part of the neuron receives signals?
A) Axon
B) Dendrite
C) Soma
D) Myelin sheath
Correct Answer: B
Rationale: Dendrites receive incoming signals from other neurons.
,6. Which hormone increases blood glucose levels?
A) Insulin
B) Glucagon
C) Aldosterone
D) ADH
Correct Answer: B
Rationale: Glucagon stimulates glycogen breakdown to raise blood
glucose.
7. Which organ produces bile?
A) Liver
B) Gallbladder
C) Pancreas
D) Stomach
Correct Answer: A
Rationale: The liver produces bile to emulsify fats for digestion.
8. Which organ stores bile?
A) Gallbladder
B) Liver
C) Pancreas
D) Stomach
Correct Answer: A
Rationale: The gallbladder stores and concentrates bile before
release into the small intestine.
, 9. Which hormone lowers blood glucose levels?
A) Glucagon
B) Insulin
C) Cortisol
D) Adrenaline
Correct Answer: B
Rationale: Insulin promotes glucose uptake by cells, decreasing
blood sugar.
10. Which organ detoxifies chemicals in the blood?
A) Kidney
B) Liver
C) Pancreas
D) Lungs
Correct Answer: B
Rationale: The liver metabolizes drugs and toxins for excretion.
11. Which part of the brain controls voluntary movement?
A) Cerebellum
B) Cerebrum
C) Medulla oblongata
D) Hypothalamus
Correct Answer: B
Rationale: The cerebrum governs voluntary muscle activity and
higher cognitive functions.
