Ace Your BIOS252 Exam 3: 200+ Practice Questions with Answers (Latest 2023/2024)
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Course
BIOS252
Institution
BIOS252
This comprehensive study guide is designed to help you excel in your BIOS252 Exam 3 at Chamberlain College. It features 200+ multiple-choice questions covering key topics related to the endocrine system and hormones. Each question includes detailed answer explanations to reinforce your understandin...
Anatomy and Physiology II with Lab - Exam 3 (2023/2024)
Endocrine System
1. Which endocrine gland is often referred to as the "master gland" due to its control over other
endocrine glands?
a) Thyroid gland
b) Pituitary gland
c) Adrenal gland
d) Pancreas
2. Which hormone is responsible for stimulating milk production in mammary glands?
a) Oxytocin
b) Prolactin
c) Growth hormone
d) Luteinizing hormone
3. Which hormone regulates blood calcium levels?
a) Insulin
b) Glucagon
c) Parathyroid hormone
d) Calcitonin
4. Which endocrine disorder is characterized by excessive production of growth hormone in
adults?
a) Gigantism
b) Acromegaly
c) Dwarfism
d) Cushing's syndrome
5. Which hormone is responsible for the "fight-or-flight" response?
, a) Insulin
b) Glucagon
c) Epinephrine
d) Cortisol
Blood
6. What is the main function of erythrocytes (red blood cells)?
a) Fight infections
b) Transport oxygen
c) Clot blood
d) Regulate pH
7. Which white blood cell is the most abundant and plays a key role in fighting bacterial
infections?
a) Lymphocytes
b) Monocytes
c) Eosinophils
d) Neutrophils
8. Which blood type is considered the universal donor?
a) A
b) B
c) AB
d) O
9. What is the process of blood cell formation called?
a) Hemostasis
b) Hematopoiesis
c) Erythropoiesis
d) Leukopoiesis
, 10. Which protein is responsible for the red color of blood?
a) Hemoglobin
b) Albumin
c) Fibrinogen
d) Globulin
Cardiovascular System
11. Which chamber of the heart receives deoxygenated blood from the body?
a) Left atrium
b) Left ventricle
c) Right atrium
d) Right ventricle
12. What is the pacemaker of the heart?
a) Atrioventricular node (AV node)
b) Bundle of His
c) Purkinje fibers
d) Sinoatrial node (SA node)
13. Which blood vessels carry blood away from the heart?
a) Veins
b) Arteries
c) Capillaries
d) Venules
14. What is the term for the force exerted by blood against the walls of blood vessels?
a) Cardiac output
b) Stroke volume
c) Blood pressure
, d) Heart rate
15. Which layer of the blood vessel wall is responsible for vasoconstriction and vasodilation?
a) Tunica intima
b) Tunica media
c) Tunica externa
d) Lumen
Lymphatic System and Immunity
16. What is the primary function of the lymphatic system?
a) Transport oxygen
b) Return fluid to the bloodstream and aid in immunity
c) Filter blood
d) Regulate blood pressure
17. Which lymphatic organ filters blood and removes old or damaged red blood cells?
a) Thymus
b) Lymph nodes
c) Spleen
d) Tonsils
18. Which type of immunity is present at birth and provides a rapid, nonspecific response to
pathogens?
a) Adaptive immunity
b) Innate immunity
c) Humoral immunity
d) Cell-mediated immunity
19. Which cells are responsible for producing antibodies?
a) T cells
b) B cells
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