Ace Your BIOS252 Exam 3: 200+ Practice Questions with Answers (Latest 2023/2024)

The answers are in bold. Good luck in your exam.

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