Human Anatomy and Physiology Quiz

Question 1: Reabsorption

• Solutes are reabsorbed across the filtration membrane.
• Active transport and cotransport processes are involved.

Question 2: Heart Function

• The heart does not generate blood cells.
• Blood cells are produced in the bone marrow.

Question 3: Keratinization

• Keratinization is a true process.
• New cells in the epidermis are produced by mitosis.

Question 4: Small Intestine Extension

• The pyloric sphincter leads to the ileocecal valve.

Question 5: Skeletal System and Homeostasis

• All components of the skeletal system aid in maintaining homeostasis.

Question 6: Thyroid Location/Function

• Thyroglobulin is found within the colloid of thyroid follicles.
• Thyroglobulin is not scattered throughout loose connective tissue.

Question 7: Blood Supply to the Heart

• The coronary arteries supply blood to the heart.

Question 8: Egg Pathway in Uterine Tube

• The egg's pathway is: fimbriae, infundibulum, ampulla, isthmus (2, 3, 1, 4).

Question 9: Site of Respiration in Lungs

• Alveoli are the site of respiration in the lungs.

Question 10: Capillary Pathway

• The hepatic portal system is the capillary pathway beginning in the viscera and ending in the liver.

Question 11: Urinary System Components

• The urinary system includes two kidneys, two ureters, a urinary bladder, and a urethra.

Question 12: Jaw Muscle

• The masseter and the temporalis muscles close the jaw.

Question 13: Lymphatic System and Fluid Balance

• The lymphatic system returns interstitial fluid to the plasma.

Question 14: Neuron Structure

• Dendrites receive information for neurons.

Question 15: Nervous System Function

• Receiving motor input is not a major function of the nervous system.

Question 16: Feedback Mechanism

• Uterine contractions during delivery are a positive feedback mechanism.

Question 17: Eye Structure

• The vitreous humor is a gelatinous mass inside the eye.

Question 18: Heart Chambers

• The provided text does not mention a functional characteristic of heart chambers.

Question 19: Myosin Myofilament Anchoring

• The M line anchors myosin myofilaments.

Question 20: Dead Epithelial Cells

• Dead epithelial cells in the epidermis act as a barrier.

Question 21: Action Potential Conduction

• Continuous conduction of the action potential primarily occurs in unmyelinated axons.

Question 22: Acid-Base Imbalance Risk

• Respiratory acidosis is a risk for Pepper (due to depressed ventilation).

Question 23: Food Breakdown Steps

• Chemical digestion is a step in breaking down food molecules.

Question 24: Mechanical Digestion

• Mechanical digestion breaks down large food particles into smaller ones.

Question 25: Corpus Luteum Product

• Progesterone is the primary product of the corpus luteum.

Question 26: Lung Capacity

• Vital capacity is the maximum expiration after deep inspiration.

Question 27: Blood Cell Production

• Hematopoiesis is the process of blood cell production.

Question 28: Absorption of Nutrients

• Absorption of nutrients is a primary function of the small intestine.

Question 29: Antidiuretic Hormone (ADH)

• ADH can cause blood vessels to constrict when present in large amounts.

Question 30: Heart Valve

• The tricuspid valve is between the right atrium and right ventricle.

Question 31: Cell Membrane

• All statements about cell membranes are true.

Question 32: Cell Organelles

• Golgi apparatus is inside the cell, not on the surface.

Question 33: Male Gonads

• Testes are the male gonads.

Question 34: Tissue Structure and Function

• Understanding tissue structure and function is important for understanding physiology.

Question 35: Blood Oxygen Exchange

• Capillaries surrounding alveoli facilitate maximum oxygen exchange in the blood.

Question 36: Cell Function Disruption

• Cell function disruptions can be due to disease.

Question 37: Antigen Display

• Major histocompatibility complex (MHC) molecules display antigens on cell surfaces.

Question 38: Extracellular Matrix

• Tendons and ligaments have an extracellular matrix primarily composed of collagen fibers.

Question 39: Calcitonin

• Calcitonin is synthesized by C cells in the thyroid gland.

Question 40: Gas Movement

• Gas movement occurs due to differences in partial pressure.

Question 41: Unique Thumb Movement

• Opposition is a unique thumb movement.

Question 42: Muscle Contraction Type

• Isometric muscle contraction occurs when pushing a wall.

Question 43: Male Duct System

• The correct order of the male duct system is epididymis, ductus deferens, ejaculatory duct, and then urethra.

Question 44: Follicle Enlargement

• A secondary follicle has multiple layers of granulosa cells.

Question 45: Blood Vessel Valves

• Valves in veins are important for blood flow.

Question 46: Medullary Oblongata and Gastric Secretion

• The medulla oblongata controls gastric secretion, but not by both parasympathetic NS and endocrine system (false).

Question 47: Gaps Between Cells

• Nodes of Ranvier are gaps between segments of oligodendrocytes or Schwann cells.

Question 48: Opening to Brain

• The foramen magnum is the opening through which the spinal cord connects to the brain.

Question 49: Active Immunity

• Active natural immunity occurs when an individual develops a disease.

Question 50: Teeth for Cutting

• Incisors are anterior chisel-shaped teeth adapted for cutting.

Question 51: Depth Perception

• Depth perception requires binocular vision, not monocular vision.

Question 52: Hyaline Cartilage Function

• Hyaline cartilage supports the trachea.

Question 53: Neurotransmission

• The next action after neurotransmitter activation of chemically gated channels is the cell potentially reaching threshold.

Question 54: Plasma Membrane Passage

• Substances like carbon dioxide can directly pass through the phospholipid bilayer of the plasma membrane.

Question 55: Organelle Location

• Maculae and otoliths are found in the saccule and utricle.

Question 56: Ascending Limb Function

• The ascending limb of the loop of Henle functions in concentrating urine.

Question 57: Skin Components

• Skin is composed of the epidermis, dermis, and hypodermis.

Question 58: Antagonistic Muscles

• Biceps brachii and triceps brachii are antagonistic muscles.

Question 59: Study of Impulses

• Studying how nerves conduct electrical impulses is part of anatomical study.

Question 60: Skin Cell Regeneration

• Skin cells have the ability to regenerate and divide.

Question 61: Ovulation Hormone

• Luteinizing hormone (LH) is responsible for ovulation.

Question 62: Presynaptic Terminal

• Acetylcholine binds to receptors on the postsynaptic terminal, not the presynaptic terminal.

Question 63: Red Blood Cell Production Stimulator

• Erythropoietin stimulates red bone marrow to produce more red blood cells.

Question 64: Kidney Physiology

• Approximately 180 liters of filtrate enters the nephrons daily, with 65% being reabsorbed in the proximal tubule.

Question 65: Posterior Pituitary Stimulation

• The stimulation of neurons in the hypothalamus stimulates the posterior pituitary gland to release hormones.

Question 66: Medulla Oblongata and Gastric Secretion

• The medulla oblongata does not control gastric secretion by both parasympathetic and endocrine systems.

Question 67-69: Skin Connective Tissue

• The epidermis, dermis, and hypodermis refer to the layers of the skin.

Test your knowledge on various aspects of human anatomy and physiology, including the functions of the heart, the skeletal system, and processes like keratinization. This quiz covers both the structural and functional components that maintain homeostasis in the body. Perfect for students studying these critical life sciences.