BIOS 256 Week 4 Quiz Exam 3 (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A –
Chamberlain
1. Which organelle is known as the “powerhouse of the cell”?
A) Nucleus
B) Mitochondria
C) Lysosome
D) Ribosome
Correct Answer: B
Rationale: Mitochondria generate ATP through cellular respiration,
providing energy for the cell.
2. Which hormone is released during stress to increase blood
sugar?
A) Insulin
B) Cortisol
C) Thyroxine
D) Adrenaline
Correct Answer: B
,Rationale: Cortisol elevates blood glucose to provide energy for
stress responses.
3. Which blood cells fight infection?
A) Red blood cells
B) White blood cells
C) Platelets
D) Plasma
Correct Answer: B
Rationale: White blood cells identify and destroy pathogens to
protect the body.
4. Which type of connective tissue connects muscle to bone?
A) Ligament
B) Tendon
C) Cartilage
D) Adipose tissue
Correct Answer: B
Rationale: Tendons attach muscles to bones and transmit force to
enable movement.
5. Which hormone lowers blood glucose levels?
A) Glucagon
B) Insulin
C) Cortisol
,D) Adrenaline
Correct Answer: B
Rationale: Insulin promotes cellular glucose uptake, reducing blood
sugar.
6. Which type of muscle is involuntary and non-striated?
A) Skeletal
B) Cardiac
C) Smooth
D) None of the above
Correct Answer: C
Rationale: Smooth muscle is involuntary, found in the walls of
internal organs.
7. Which organ stores bile for fat digestion?
A) Liver
B) Gallbladder
C) Pancreas
D) Stomach
Correct Answer: B
Rationale: The gallbladder stores and releases bile to aid in fat
digestion.
8. Which organ produces digestive enzymes for protein digestion?
, A) Liver
B) Stomach and pancreas
C) Gallbladder
D) Small intestine
Correct Answer: B
Rationale: Pepsin in the stomach and trypsin in the pancreas digest
proteins.
9. Which blood type is the universal donor?
A) AB+
B) O-
C) A+
D) B+
Correct Answer: B
Rationale: O- blood lacks A and B antigens, making it compatible
with all blood types.
10. Which part of the neuron transmits impulses away from the
cell body?
A) Axon
B) Dendrite
C) Soma
D) Myelin sheath
Correct Answer: A
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A –
Chamberlain
1. Which organelle is known as the “powerhouse of the cell”?
A) Nucleus
B) Mitochondria
C) Lysosome
D) Ribosome
Correct Answer: B
Rationale: Mitochondria generate ATP through cellular respiration,
providing energy for the cell.
2. Which hormone is released during stress to increase blood
sugar?
A) Insulin
B) Cortisol
C) Thyroxine
D) Adrenaline
Correct Answer: B
,Rationale: Cortisol elevates blood glucose to provide energy for
stress responses.
3. Which blood cells fight infection?
A) Red blood cells
B) White blood cells
C) Platelets
D) Plasma
Correct Answer: B
Rationale: White blood cells identify and destroy pathogens to
protect the body.
4. Which type of connective tissue connects muscle to bone?
A) Ligament
B) Tendon
C) Cartilage
D) Adipose tissue
Correct Answer: B
Rationale: Tendons attach muscles to bones and transmit force to
enable movement.
5. Which hormone lowers blood glucose levels?
A) Glucagon
B) Insulin
C) Cortisol
,D) Adrenaline
Correct Answer: B
Rationale: Insulin promotes cellular glucose uptake, reducing blood
sugar.
6. Which type of muscle is involuntary and non-striated?
A) Skeletal
B) Cardiac
C) Smooth
D) None of the above
Correct Answer: C
Rationale: Smooth muscle is involuntary, found in the walls of
internal organs.
7. Which organ stores bile for fat digestion?
A) Liver
B) Gallbladder
C) Pancreas
D) Stomach
Correct Answer: B
Rationale: The gallbladder stores and releases bile to aid in fat
digestion.
8. Which organ produces digestive enzymes for protein digestion?
, A) Liver
B) Stomach and pancreas
C) Gallbladder
D) Small intestine
Correct Answer: B
Rationale: Pepsin in the stomach and trypsin in the pancreas digest
proteins.
9. Which blood type is the universal donor?
A) AB+
B) O-
C) A+
D) B+
Correct Answer: B
Rationale: O- blood lacks A and B antigens, making it compatible
with all blood types.
10. Which part of the neuron transmits impulses away from the
cell body?
A) Axon
B) Dendrite
C) Soma
D) Myelin sheath
Correct Answer: A
