BIOS 256 Midterm Exam 3 (Latest Update
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A – Chamberlain
1. Which component of blood is responsible for transporting
nutrients, hormones, and waste?
A. Red blood cells
B. Platelets
C. Plasma
D. White blood cells
Correct Answer: C
Rationale: Plasma is the liquid portion of blood that carries
nutrients, hormones, and waste products throughout the body.
2. Which part of the neuron conducts impulses toward the cell
body?
A. Axon
B. Dendrite
C. Myelin sheath
D. Synapse
,Correct Answer: B
Rationale: Dendrites carry incoming signals to the neuron cell body
from other neurons.
3. Which vitamin is essential for calcium absorption and bone
health?
A. Vitamin A
B. Vitamin D
C. Vitamin K
D. Vitamin C
Correct Answer: B
Rationale: Vitamin D promotes calcium absorption in the intestines
and helps maintain healthy bones.
4. Which hormone stimulates the adrenal cortex to release
cortisol?
A. TSH
B. ACTH
C. GH
D. FSH
,Correct Answer: B
Rationale: Adrenocorticotropic hormone (ACTH) signals the
adrenal cortex to produce cortisol.
5. Which type of muscle tissue is involuntary and striated?
A. Skeletal
B. Smooth
C. Cardiac
D. None of the above
Correct Answer: C
Rationale: Cardiac muscle is striated and involuntary, found only in
the heart.
6. Which organ is the main site of nutrient absorption?
A. Stomach
B. Small intestine
C. Large intestine
D. Pancreas
Correct Answer: B
Rationale: The small intestine has villi and microvilli that increase
surface area for nutrient absorption.
, 7. Which blood vessels carry blood away from the heart?
A. Veins
B. Arteries
C. Capillaries
D. Venules
Correct Answer: B
Rationale: Arteries transport oxygen-rich blood from the heart to
body tissues.
8. Which organ secretes insulin?
A. Liver
B. Pancreas
C. Adrenal gland
D. Pituitary gland
Correct Answer: B
Rationale: The pancreas secretes insulin from beta cells to regulate
blood glucose.
9. Which part of the nephron is responsible for filtration of
blood?
A. Bowman's capsule
B. Loop of Henle
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A – Chamberlain
1. Which component of blood is responsible for transporting
nutrients, hormones, and waste?
A. Red blood cells
B. Platelets
C. Plasma
D. White blood cells
Correct Answer: C
Rationale: Plasma is the liquid portion of blood that carries
nutrients, hormones, and waste products throughout the body.
2. Which part of the neuron conducts impulses toward the cell
body?
A. Axon
B. Dendrite
C. Myelin sheath
D. Synapse
,Correct Answer: B
Rationale: Dendrites carry incoming signals to the neuron cell body
from other neurons.
3. Which vitamin is essential for calcium absorption and bone
health?
A. Vitamin A
B. Vitamin D
C. Vitamin K
D. Vitamin C
Correct Answer: B
Rationale: Vitamin D promotes calcium absorption in the intestines
and helps maintain healthy bones.
4. Which hormone stimulates the adrenal cortex to release
cortisol?
A. TSH
B. ACTH
C. GH
D. FSH
,Correct Answer: B
Rationale: Adrenocorticotropic hormone (ACTH) signals the
adrenal cortex to produce cortisol.
5. Which type of muscle tissue is involuntary and striated?
A. Skeletal
B. Smooth
C. Cardiac
D. None of the above
Correct Answer: C
Rationale: Cardiac muscle is striated and involuntary, found only in
the heart.
6. Which organ is the main site of nutrient absorption?
A. Stomach
B. Small intestine
C. Large intestine
D. Pancreas
Correct Answer: B
Rationale: The small intestine has villi and microvilli that increase
surface area for nutrient absorption.
, 7. Which blood vessels carry blood away from the heart?
A. Veins
B. Arteries
C. Capillaries
D. Venules
Correct Answer: B
Rationale: Arteries transport oxygen-rich blood from the heart to
body tissues.
8. Which organ secretes insulin?
A. Liver
B. Pancreas
C. Adrenal gland
D. Pituitary gland
Correct Answer: B
Rationale: The pancreas secretes insulin from beta cells to regulate
blood glucose.
9. Which part of the nephron is responsible for filtration of
blood?
A. Bowman's capsule
B. Loop of Henle
