BIOS 256 Week 4 Quiz Exam 4 (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A –
Chamberlain
1. Which organelle contains digestive enzymes for intracellular
digestion?
A) Nucleus
B) Lysosome
C) Golgi apparatus
D) Mitochondria
Correct Answer: B
Rationale: Lysosomes contain hydrolytic enzymes that break down
cellular waste and foreign materials.
2. Which hormone regulates the sleep-wake cycle?
A) Cortisol
B) Melatonin
C) Insulin
D) Thyroxine
Correct Answer: B
,Rationale: Melatonin, secreted by the pineal gland, controls
circadian rhythms and sleep.
3. Which type of connective tissue stores fat?
A) Ligament
B) Adipose tissue
C) Cartilage
D) Bone
Correct Answer: B
Rationale: Adipose tissue stores lipids for energy and provides
insulation.
4. Which blood vessels carry blood toward the heart?
A) Arteries
B) Veins
C) Capillaries
D) Arterioles
Correct Answer: B
Rationale: Veins transport 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 electrical 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 synthesizes bile, which aids in the digestion of
fats.
8. Which organ stores bile?
, A) Gallbladder
B) Liver
C) Pancreas
D) Stomach
Correct Answer: A
Rationale: The gallbladder stores and concentrates bile for 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?
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A –
Chamberlain
1. Which organelle contains digestive enzymes for intracellular
digestion?
A) Nucleus
B) Lysosome
C) Golgi apparatus
D) Mitochondria
Correct Answer: B
Rationale: Lysosomes contain hydrolytic enzymes that break down
cellular waste and foreign materials.
2. Which hormone regulates the sleep-wake cycle?
A) Cortisol
B) Melatonin
C) Insulin
D) Thyroxine
Correct Answer: B
,Rationale: Melatonin, secreted by the pineal gland, controls
circadian rhythms and sleep.
3. Which type of connective tissue stores fat?
A) Ligament
B) Adipose tissue
C) Cartilage
D) Bone
Correct Answer: B
Rationale: Adipose tissue stores lipids for energy and provides
insulation.
4. Which blood vessels carry blood toward the heart?
A) Arteries
B) Veins
C) Capillaries
D) Arterioles
Correct Answer: B
Rationale: Veins transport 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 electrical 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 synthesizes bile, which aids in the digestion of
fats.
8. Which organ stores bile?
, A) Gallbladder
B) Liver
C) Pancreas
D) Stomach
Correct Answer: A
Rationale: The gallbladder stores and concentrates bile for 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?
