BIOS 256 Final Exam 4 (Latest Update
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A – Chamberlain
1. Which type of muscle is striated and involuntary?
A. Skeletal
B. Smooth
C. Cardiac
D. None of the above
Correct Answer: C
Rationale: Cardiac muscle is striated like skeletal muscle but
contracts involuntarily to pump blood.
2. Which cranial nerve mediates vision?
A. Optic (II)
B. Oculomotor (III)
C. Trochlear (IV)
D. Trigeminal (V)
Correct Answer: A
Rationale: The optic nerve transmits visual information from the
retina to the brain.
,3. Which hormone stimulates red blood cell production?
A. Erythropoietin
B. GH
C. TSH
D. FSH
Correct Answer: A
Rationale: Erythropoietin from the kidney stimulates erythropoiesis
in the bone marrow.
4. Which part of the neuron receives incoming signals?
A. Axon
B. Dendrite
C. Soma
D. Axon terminal
Correct Answer: B
Rationale: Dendrites receive signals from other neurons and
transmit them toward the cell body.
5. Which hormone lowers blood glucose?
A. Insulin
B. Glucagon
C. Cortisol
D. Epinephrine
,Correct Answer: A
Rationale: Insulin promotes glucose uptake into cells and
conversion to glycogen.
6. Which hormone increases blood calcium levels?
A. Calcitonin
B. Parathyroid hormone
C. Vitamin D
D. Aldosterone
Correct Answer: B
Rationale: Parathyroid hormone raises blood calcium by
stimulating bone resorption.
7. Which organ converts ammonia to urea?
A. Kidney
B. Liver
C. Pancreas
D. Spleen
Correct Answer: B
Rationale: The liver detoxifies ammonia by converting it to urea for
excretion.
8. Which blood vessels carry blood toward the heart?
A. Arteries
B. Veins
, C. Arterioles
D. Capillaries
Correct Answer: B
Rationale: Veins carry deoxygenated blood back to the heart, often
aided by valves.
9. Which lobe of the brain processes auditory information?
A. Temporal
B. Occipital
C. Parietal
D. Frontal
Correct Answer: A
Rationale: The temporal lobe contains the primary auditory cortex.
10. Which part of the heart pumps oxygenated blood to the body?
A. Right atrium
B. Right ventricle
C. Left atrium
D. Left ventricle
Correct Answer: D
Rationale: The left ventricle pumps oxygen-rich blood into systemic
circulation.
11. Which hormone stimulates milk ejection during
breastfeeding?
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A – Chamberlain
1. Which type of muscle is striated and involuntary?
A. Skeletal
B. Smooth
C. Cardiac
D. None of the above
Correct Answer: C
Rationale: Cardiac muscle is striated like skeletal muscle but
contracts involuntarily to pump blood.
2. Which cranial nerve mediates vision?
A. Optic (II)
B. Oculomotor (III)
C. Trochlear (IV)
D. Trigeminal (V)
Correct Answer: A
Rationale: The optic nerve transmits visual information from the
retina to the brain.
,3. Which hormone stimulates red blood cell production?
A. Erythropoietin
B. GH
C. TSH
D. FSH
Correct Answer: A
Rationale: Erythropoietin from the kidney stimulates erythropoiesis
in the bone marrow.
4. Which part of the neuron receives incoming signals?
A. Axon
B. Dendrite
C. Soma
D. Axon terminal
Correct Answer: B
Rationale: Dendrites receive signals from other neurons and
transmit them toward the cell body.
5. Which hormone lowers blood glucose?
A. Insulin
B. Glucagon
C. Cortisol
D. Epinephrine
,Correct Answer: A
Rationale: Insulin promotes glucose uptake into cells and
conversion to glycogen.
6. Which hormone increases blood calcium levels?
A. Calcitonin
B. Parathyroid hormone
C. Vitamin D
D. Aldosterone
Correct Answer: B
Rationale: Parathyroid hormone raises blood calcium by
stimulating bone resorption.
7. Which organ converts ammonia to urea?
A. Kidney
B. Liver
C. Pancreas
D. Spleen
Correct Answer: B
Rationale: The liver detoxifies ammonia by converting it to urea for
excretion.
8. Which blood vessels carry blood toward the heart?
A. Arteries
B. Veins
, C. Arterioles
D. Capillaries
Correct Answer: B
Rationale: Veins carry deoxygenated blood back to the heart, often
aided by valves.
9. Which lobe of the brain processes auditory information?
A. Temporal
B. Occipital
C. Parietal
D. Frontal
Correct Answer: A
Rationale: The temporal lobe contains the primary auditory cortex.
10. Which part of the heart pumps oxygenated blood to the body?
A. Right atrium
B. Right ventricle
C. Left atrium
D. Left ventricle
Correct Answer: D
Rationale: The left ventricle pumps oxygen-rich blood into systemic
circulation.
11. Which hormone stimulates milk ejection during
breastfeeding?
