BIOS 256 Final Exam 3 (Latest Update
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A – Chamberlain
1. Which type of muscle is voluntary and striated?
A. Cardiac
B. Skeletal
C. Smooth
D. None of the above
Correct Answer: B
Rationale: Skeletal muscle is under voluntary control and has a
striated appearance due to sarcomeres.
2. Which cranial nerve transmits smell information to the brain?
A. Optic (II)
B. Olfactory (I)
C. Vagus (X)
D. Facial (VII)
Correct Answer: B
Rationale: The olfactory nerve carries sensory input from the nasal
cavity to the brain for smell.
,3. Which hormone regulates the sleep-wake cycle?
A. Cortisol
B. ADH
C. Melatonin
D. Thyroxine
Correct Answer: C
Rationale: Melatonin is secreted by the pineal gland to regulate
circadian rhythms.
4. Which organ stores bile produced by the liver?
A. Pancreas
B. Gallbladder
C. Liver
D. Small intestine
Correct Answer: B
Rationale: The gallbladder stores and concentrates bile for fat
digestion.
5. Which blood vessels carry blood away from the heart?
A. Veins
B. Arteries
C. Capillaries
D. Venules
Correct Answer: B
Rationale: Arteries carry blood away from the heart to the tissues.
,6. Which hormone lowers blood glucose levels?
A. Glucagon
B. Insulin
C. Cortisol
D. Epinephrine
Correct Answer: B
Rationale: Insulin promotes glucose uptake into cells and storage as
glycogen.
7. Which lobe of the brain processes visual information?
A. Occipital
B. Parietal
C. Temporal
D. Frontal
Correct Answer: A
Rationale: The occipital lobe contains the primary visual cortex.
8. Which part of the heart pumps oxygenated blood to the body?
A. Right ventricle
B. Left atrium
C. Left ventricle
D. Right atrium
Correct Answer: C
Rationale: The left ventricle pumps oxygen-rich blood into systemic
circulation.
, 9. Which hormone stimulates uterine contractions during labor?
A. Progesterone
B. Oxytocin
C. Estrogen
D. Prolactin
Correct Answer: B
Rationale: Oxytocin stimulates contraction of uterine smooth
muscle.
10. Which organ secretes erythropoietin to stimulate red blood
cell production?
A. Kidney
B. Liver
C. Spleen
D. Pancreas
Correct Answer: A
Rationale: The kidneys detect low oxygen and release erythropoietin
to stimulate RBC production.
11. Which hormone promotes sodium retention and potassium
excretion?
A. ADH
B. Aldosterone
C. Cortisol
D. TSH
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A – Chamberlain
1. Which type of muscle is voluntary and striated?
A. Cardiac
B. Skeletal
C. Smooth
D. None of the above
Correct Answer: B
Rationale: Skeletal muscle is under voluntary control and has a
striated appearance due to sarcomeres.
2. Which cranial nerve transmits smell information to the brain?
A. Optic (II)
B. Olfactory (I)
C. Vagus (X)
D. Facial (VII)
Correct Answer: B
Rationale: The olfactory nerve carries sensory input from the nasal
cavity to the brain for smell.
,3. Which hormone regulates the sleep-wake cycle?
A. Cortisol
B. ADH
C. Melatonin
D. Thyroxine
Correct Answer: C
Rationale: Melatonin is secreted by the pineal gland to regulate
circadian rhythms.
4. Which organ stores bile produced by the liver?
A. Pancreas
B. Gallbladder
C. Liver
D. Small intestine
Correct Answer: B
Rationale: The gallbladder stores and concentrates bile for fat
digestion.
5. Which blood vessels carry blood away from the heart?
A. Veins
B. Arteries
C. Capillaries
D. Venules
Correct Answer: B
Rationale: Arteries carry blood away from the heart to the tissues.
,6. Which hormone lowers blood glucose levels?
A. Glucagon
B. Insulin
C. Cortisol
D. Epinephrine
Correct Answer: B
Rationale: Insulin promotes glucose uptake into cells and storage as
glycogen.
7. Which lobe of the brain processes visual information?
A. Occipital
B. Parietal
C. Temporal
D. Frontal
Correct Answer: A
Rationale: The occipital lobe contains the primary visual cortex.
8. Which part of the heart pumps oxygenated blood to the body?
A. Right ventricle
B. Left atrium
C. Left ventricle
D. Right atrium
Correct Answer: C
Rationale: The left ventricle pumps oxygen-rich blood into systemic
circulation.
, 9. Which hormone stimulates uterine contractions during labor?
A. Progesterone
B. Oxytocin
C. Estrogen
D. Prolactin
Correct Answer: B
Rationale: Oxytocin stimulates contraction of uterine smooth
muscle.
10. Which organ secretes erythropoietin to stimulate red blood
cell production?
A. Kidney
B. Liver
C. Spleen
D. Pancreas
Correct Answer: A
Rationale: The kidneys detect low oxygen and release erythropoietin
to stimulate RBC production.
11. Which hormone promotes sodium retention and potassium
excretion?
A. ADH
B. Aldosterone
C. Cortisol
D. TSH
