08 Oct Structure and Function of the Human Body Homeostasis

Structure and Function of the Human Body

Homeostasis Quiz

 

Question 1 Which statement is NOT TRUE regarding homeostasis?

 

Select one:

 

a.A positive feedback loop reverses the initial stimulus to return it back into the set point range

 

b.Both negative and positive feedback loops are important to maintain homeostasis

 

c.Negative feedback loops are the most common type of feedback loops found in the human body

 

d.Homeostasis is dependent upon effectors that always amplify the initial change to maintain health

 

Question 2Feedback loops contain which of the following components?

 

Select one:

 

a.Set point, effectors, and receptors

 

b.Set point, metabolism, and effectors

 

c.Metabolism, effectors, and receptors

 

d.Metabolism, set point, and receptors

 

Question 3After a papercut, activated platelets release chemical signals to activate more platelets. In this example, the chemical signal is the _______ of a feedback loop.

 

Select one:

 

a.Set point

 

b.Effector

 

c.Receptor

 

d.Metabolism

 

Question 4Which of the following is an example of a positive feedback loop?

 

Select one:

 

a.Thyroid hormone signaling the hypothalamus to stop producing TRH

 

b.Uterine contractions to expel a fetus during labor

 

c.Increasing respirations to affect blood oxygen levels

 

d.Increasing heart rate to compensate for low cardiac output

 

Question 5Resting respiration rate is controlled by a positive feedback loop.

 

Select one:

 

True

 

False

 

Question 6A positive feedback loop reverses or opposes the initial stimulus to return it back into the set point range.

 

Select one:

 

True

 

False

 

 

 

SDA45 Structure and Function of the Human Body

 

Module 2 Organization of the Human Body Quiz

 

Question 1Which body plane divides the body or a body part into anterior and posterior portions?

 

Select one:

 

a.Sagittal plane

 

b.Horizontal plane

 

c.Transverse plane

 

d.Coronal plane

 

 Question 2Which of these organic compounds is considered the body’s main source of energy?

 

Select one:

 

a.Carbohydrates

 

b.Proteins

 

c.Lipids

 

d.Nucleic acids

 

Question 3What statement is correct regarding atoms and chemical reactions?

 

Select one:

 

a.Homeostasis refers to all of the chemical reactions that occur in the body

 

b.The protons of atoms that are involved in chemical bonding/reactions

 

c.All matter is composed of atoms

 

d.The number of neutrons in an atom determines its overall electrical charge

 

Question 4Which type of tissue is capable of electrical conduction?

 

Select one:

 

a.Epithelial tissue

 

b.Connective tissue

 

c.Muscular tissue

 

d.Nerve tissue

 

Question 5This type of muscle is found commonly within the walls of internal organs such as blood vessels, the stomach, and the bladder?

 

Select one:

 

a.Smooth muscle

 

b.Cardiac muscle

 

c.Skeletal muscle

 

d.Striated muscle

 

Question 6Both types of cellular respiration require which compound?

 

Select one:

 

a.Oxygen

 

b.ATP

 

c.Glucose

 

d.Protein

 

Question 7Active transport across a cell membrane always requires energy.

 

Select one:

 

True

 

False

 

Question 8Which organelle houses the DNA of a cell?

 

Select one:

 

a.Nucleus

 

b.Mitochondria

 

c.Lysosome

 

d.Golgi Body

 

Question 9How many chromosomes does a normal diploid human cell have?

 

Select one:

 

a.23

 

b.25

 

c.50

 

d.46

 

 

 

Question 10Which body plane is demonstrated in this illustration?

 

image

 

Select one:

 

a.Sagittal plane

 

b.Frontal plane

 

c.Transverse plane

 

d.Horizontal plane

 

 

 

SDA45 Structure and Function of the Human Body

 

Module 3 Organ System Functions Quiz

 

Question 1What is NOT a function of the integumentary system?

 

Select one:

 

a.Production of minerals

 

b.Regulation of water loss

 

c.Regulation of body temperature

 

d.Assists immune system by acting as a barrier to the environment

 

Question 2What is not a function of the skeletal system?

 

Select one:

 

a.Vitamin D production

 

b.Structural support

 

c.Calcium storage

 

d.Blood cell formation

 

Question 3Which body system is responsible for producing leukocytes?

 

Select one:

 

a.Respiratory system

 

b.Immune system

 

c.Digestive system

 

d.Muscular system

 

Question 4Both peristalsis and segmentation are necessary to propel food through the digestive system.

 

Select one:

 

True

 

False

 

Question 5What is NOT a function of the large intestine?

 

Select one:

 

a.Act as a passageway leading to the small intestine

 

b.Provide immune system support through a system of gut flora

 

c.Store fecal matter until expulsion

 

d.Absorb water to avoid dehydration

 

Question 6What is NOT a function of the urinary system?

 

Select one:

 

a.Store filtrate in the ureters

 

b.Assisting in the regulation of fluid balance in the body

 

c.Produce urine containing bodily waste

 

d.Store urine in bladder until micturition occurs

 

Question 7Both male and female reproductive systems are responsible for producing gametes.

 

Select one:

 

True

 

False

 

Question 8Which body system is not involved in basic human movement?

 

Select one:

 

a.Skeletal system

 

b.Nervous system

 

c.Muscular system

 

d.Integumentary system

 

Question 9Which of the following is the correct order for the nervous system functions?

 

Select one:

 

a.Output, input, integration

 

b.Input, output, integration

 

c.Input, integration, output

 

d.Integration, input, output

 

SDA45 Structure and Function of the Human Body

 

Module 4 Anatomy & Physiology of Cells, Tissues, and Organs Quiz

 

Question 1Which layer of skin contains dead cells?

 

Select one:

 

a.Epidermis

 

b.Dermis

 

c.Subcutaneous layer

 

d.Subdermis layer

 

Question 2Hair follicles can be found in which layer of the skin?

 

Select one:

 

a.Epidermis

 

b.Dermis

 

c.Subcutaneous layer

 

d.Subdermis layer

 

Question 3What statement is correct regarding the skeletal system?

 

Select one:

 

a.Red bone marrow is commonly found in the diaphysis of long bones

 

b.Spongy bone is organized in a structure called osteons

 

c.Epiphyseal plates are found in children and adults

 

d.The majority of bone development is from a cartilage template through a process called endochondral ossification

 

Question 4This joint is the most common in the body and provides the most range of motion?

 

Select one:

 

a.Cartilaginous joints

 

b.Synovial joints

 

c.Fibrous joints

 

d.Material joints

 

Question 5In regards to the muscle contraction process, what statement is true?

 

Select one:

 

a.ATP is needed for the thick and thin filament to bind

 

b.A neurotransmitter binds to the thin filament

 

c.The T-Tubules help transmit the action potential deep into the muscle cell stimulating the release of calcium

 

d.Muscle cells can contract without the presence of calcium

 

Question 6Actin is also called “thick filament”.

 

Select one:

 

True

 

False

 

Question 7What statement is true regarding neurons?

 

Select one:

 

a.The dendrites and axons of the neurons can be myelinated

 

b.Myelinated axons transmit action potentials at a quicker rate than unmyelinated axons

 

c.Myelinated neurons are only found in the central nervous system

 

d.The nucleus of a neuron is found in the axon

 

Question 8What statement is correct regarding the sense of hearing?

 

Select one:

 

a.The ear ossicles vibrate the tympanic membrane

 

b.Movement of fluid in the semicircular canals stimulates the movement of hair cells allowing for the sense of hearing

 

c.Fluid movement in the cochlea stimulates the movement of hair cells allowing for the sense of hearing

 

d.The Eustachian tube connects the middle ear to the inner ear

 

Question 9This lobe of the brain allows for the special sense of sight.

 

Select one:

 

a.Frontal lobe

 

b.Occipital lobe

 

c.Parietal lobe

 

d.Temporal lobe

 

Question 10The space between two nerves in which neurotransmitters carry a signal is called a(n) ____.

 

Select one:

 

a.Synapse

 

b.Action potential

 

c.Receptor

 

 

 

d.Oligodendrocyte

 

Question 11Oligodendrocytes are only found in the CNS.

 

Select one:

 

True

 

False

 

Question 12The white matter in the spinal cord transmits information from the body to the brain and from the brain out to the body.

 

Select one:

 

True

 

False

 

Question 13Which of the following special senses uses chemoreceptors?

 

Select one:

 

a.Smell

 

b.Hearing

 

c.Vision

 

d.Equilibrium

 

Question 14Which blood vessel carries oxygenated blood away from the heart?

 

Select one:

 

a.Veins

 

b.Venules

 

c.Capillaries

 

d.Arteries

 

Question 15Which statement is correct regarding the cardiovascular system?

 

Select one:

 

a.Normal blood pressure measurement is 140/80 mmHg

 

b.Out of all the blood vessels, veins have the biggest influence on blood pressure

 

c.The cardiac conduction system regulates the heart rate and contraction of the heart

 

d.The pericardium assists in preventing the black flow/regurgitation of blood as it flows through the heart

 

Question 16Which chamber of the heart pumps blood to the lungs?

 

Select one:

 

 

 

a.Right ventricle

 

b.Left ventricle

 

c.Right atrium

 

d.Left atrium

 

Question 17Capillaries are the only blood vessels that allow for nutrient and gas exchange to occur between the body’s cells/tissues and blood.

 

Select one:

 

True

 

False

 

Question 18The component of the cardiac conduction system that is found in the interventricular septum is:

 

Select one:

 

a.Purkinje fibers

 

b.AV node

 

c.AV Bundle

 

d.SA node

 

Question 19The component of the cardiac conduction system that sets the heart rate is:

 

Select one:

 

a.Purkinje fibers

 

b.AV node

 

c.AV Bundle

 

d.SA node

 

Question 20What statement is correct regarding the heart and blood flow?

 

Select one:

 

a.The heart contracts right side then left side

 

b.Both atrium of the heart contract pumping blood into the ventricles and then both ventricles contract

 

c.The right atrium receives blood from the lungs

 

d.The left ventricle pumps blood oxygenated blood to the lungs

 

Question 21A fever is classified as specific immunity also known as adaptable immunity.

 

Select one:

 

True

 

False

 

Question 22What statement is correct regarding lymph nodes?

 

Select one:

 

a.They are only found in a few locations in the body

 

b.They produce immune cells

 

c.They assist in the activation of immune cells and filtering of the lymph fluid

 

d.They assist in the direct regulation blood pressure

 

Question 23What statement is true regarding the organs of the digestive system?

 

Select one:

 

a.Bile is produced by the gallbladder

 

b.The majority of nutrient absorption occurs in the small intestine

 

c.The pancreas produces HCl for mechanical digestion

 

d.The stomach is primarily involved in chemical digestion of the nutrients

 

Question 24This nutrient is the primary source of energy production (ATP) for our bodies.

 

Select one:

 

a.Lipids

 

b.Proteins

 

c.Carbohydrates

 

d.Vitamins

 

Question 25The ascending colon, transverse colon, and sigmoid colon are all parts of which organ?

 

Select one:

 

a.Rectum

 

b.Small intestine

 

c.Large intestine

 

d.Pancreas

 

Question 26Of the following, which organ has a strong role in both the endocrine and digestive systems?

 

Select one:

 

a.Stomach

 

b.Appendix

 

c.Pancreas

 

 

 

d.Large intestine

 

Question 27Which of the following is true of the liver?

 

Select one:

 

a.Bile is produced by the liver

 

b.The liver contains packaged and condensed bile

 

c.Nutrients are absorbed by the liver

 

d.The liver is an important part of the gastrointestinal tract

 

Question 28What statement is correct regarding the digestive system?

 

Select one:

 

a.The majority of chemical digestion of nutrients occurs in the mouth

 

b.The majority of absorption of nutrients occurs in the large intestine

 

c.The stomach allows for the majority of mechanical digestion of nutrients

 

d.The small intestine allows for the majority of mechanical digestion of nutrients

 

Question 29Chemical digestion of nutrients is dependent upon digestive enzymes.

 

Select one:

 

True

 

False

 

Question 30Where does gas exchange in the lungs occur?

 

Select one:

 

a.Bronchi

 

b.Trachea

 

c.Alveoli

 

d.Bronchioles

 

Question 31The respiratory muscles allow for the thoracic cavity to expand, which increases the lung volume and increases the intrapulmonary pressure allowing air to flow into the lungs.

 

Select one:

 

True

 

False

 

Question 32Blood entering the nephron is filtered by what structure?

 

Select one:

 

a.Renal tubules

 

b.Renal sinus

 

c.Collecting duct

 

d.Renal corpuscle

 

Question 33The collecting duct’s function of water conservation within the nephron is regulated by several different hormones.

 

Select one:

 

True

 

False

 

Question 34Which structure connects the epididymis to the ejaculatory duct?

 

Select one:

 

a.Seminiferous tubules

 

b.Vas deferens

 

c.Urethra

 

d.Prostate

 

Question 35Which of the following organs is responsible for housing and nurturing a potential fetus?

 

Select one:

 

a.Ovary

 

b.Uterus

 

c.Vagina

 

d.Uterine tube

 

Question 36The ovaries of the female reproductive system produce the eggs and the uterus produces the sex hormones estrogen and progesterone.

 

Select one:

 

True

 

False

 

Question 37Which of the following statements in not true

 

regarding the testes?

 

Select one:

 

a.Testes contain seminiferous tubules

 

b.Sperm are produced in the testes

 

c.Testosterone is produced in the testes

 

d.LH and FSH are produced in the testes

 

Question 38Which of the female reproductive organs is positioned between the rectum and bladder/urethra?

 

Select one:

 

a.Ovary

 

b.Fallopian tube

 

c.Uterine tube

 

d.Vagina

 

Question 39Which statement is true of the epididymis?

 

Select one:

 

a.The epididymis stores sperm for approximately 30 days

 

b.Sperm are mature upon arriving in the epididymis

 

c.Sperm are produced in the epididymis

 

d.The epididymis is relatively short, only a few inches long

 

Question 40What specific muscle is the arrow pointing to?

 

image

 

Select one:

 

a.Triceps brachii

 

b.Sternocleidomastoid

 

c.Gastrocnemius

 

d.Masseter

 

Question 41What specific bone is the arrow pointing to?

 

image

 

Select one:

 

a.Ulna

 

b.Mandible

 

c.Humerus

 

d.Radius

 

Question 42Which organ is the arrow pointing to?

 

image

 

Select one:

 

a.Kidney

 

b.Bladder

 

c.Ureter

 

d.Spleen

 

Question 43Which organ is the arrow pointing to?

 

image

 

Select one:

 

 

 

a.Kidney

 

b.Bladder

 

c.Ureter

 

d.Spleen

 

Question 44Which organ is the arrow pointing to?

 

image

 

Select one:

 

a.Kidney

 

b.Bladder

 

c.Ureter

 

d.Spleen

 

Question 45Which lobe of the brain is colored in green?

 

Select one:

 

a.Occipital lobe

 

b.Frontal lobe

 

c.Parietal lobe

 

d.Temporal lobe

 

Question 46Which lobe of the brain is colored in purple?

 

image

 

Select one:

 

a.Frontal

 

b.Temporal

 

c.Occipital

 

d.Parietal

 

Question 47Which lobe of the brain is colored in blue?

 

Select one:

 

a.Parietal

 

b.Temporal

 

c.Occipital

 

d.Temporal

 

Question 48Which heart chamber is the arrow pointing to?

 

image

 

Select one:

 

a.Right atrium

 

b.Right ventricle

 

c.Left atrium

 

d.Left ventricle

 

Question 49Which heart chamber is the arrow pointing to?

 

image

 

Select one:

 

a.Right atrium

 

b.Right ventricle

 

c.Left atrium

 

d.Left ventricle

 

Question 50Which heart chamber is the arrow pointing to?

 

image

 

Select one:

 

a.Right atrium

 

b.Right ventricle

 

c.Left atrium

 

d.Left ventricle

 

Question 51Which organ is the arrow pointing to?

 

image

 

Select one:

 

a.Spleen

 

b.Pancreas

 

c.Stomach

 

d.Gall bladder

 

Question 52Which organ is the arrow pointing to?

 

image

 

Select one:

 

a.Esophagus

 

b.Trachea

 

c.Carotid artery

 

d.Thyroid gland

 

Question 53Which organ is pictured here?

 

image

 

Select one:

 

a.Small intestine

 

b.Pancreas

 

c.Large intestine

 

d.Mesentary

 

Question 54Which of the following structures is not included in this image?

 

image

 

Select one:

 

a.Ascending colon

 

b.Appendix

 

c.Rectum

 

d.Duodenum

 

Question 55Which organ is the arrow pointing to?

 

Arrow pointing to testes

 

Select one:

 

a.Testis

 

b.Bladder

 

c.Vasa recta

 

d.Epididymis

 

Question 56Which organ is the arrow pointing to?

 

image

 

Select one:

 

a.Ovary

 

b.Fallopian tube

 

c.Uterus

 

d.Vagina

 

Question 57Which organ is the arrow pointing to?

 

image

 

Select one:

 

a.Trachea

 

b.Bronchi

 

c.Lung

 

d.Alveoli

 

Question 58Which layer of skin in the arrow pointing to?

 

image

 

Select one:

 

a.Epidermis

 

b.Subcutaneous layer

 

c.Dermis

 

d.Subdermis

 

Question 59Which structure is the arrow pointing to?

 

image

 

Select one:

 

a.Red blood cell

 

b.White blood cell

 

c.Kidney

 

d.Thyroid gland

 

Question 60Which structure is shown in this image?

 

image

 

Select one:

 

a.Lymph node

 

b.White blood cell

 

c.Kidney

 

d.Thyroid gland

 

 

 

SDA45 Structure and Function of the Human Body

 

Module 5 Disease and Treatment Quiz

 

Question 1The vascular system responds to tissue damage by dilating vessels, followed by vasoconstriction.

 

Select one:

 

True

 

False

 

Question 2Disruption of the physical integrity of the cell will result in a disruption of the cell’s function.

 

Select one:

 

True

 

False

 

Question 3Normal function is maintained with which of the following processes?

 

Select one:

 

a.Regeneration

 

b.Fibrosis

 

c.Keratosis

 

d.None of these choices

 

Question 4Which of the following is NOT one of the cardinal signs of inflammation?

 

Select one:

 

a.Heat

 

b.Fever

 

c.Swelling

 

d.Pain

 

Question 5Which of the following is NOT one of the cardinal signs of inflammation?

 

Select one:

 

a.Loss of function

 

b.Heat

 

c.Weight gain

 

d.Redness

 

Question 6Which of the following is NOT an example of a genetic disorder?

 

Select one:

 

a.Sickle cell anemia

 

b.Cystic fibrosis

 

c.Thyroiditis

 

d.Turner syndrome

 

Question 7Which of the following is not considered an environmental factor in the disease process?

 

Select one:

 

a.Smoking

 

b.Bacteria

 

c.Sun exposure

 

d.Diet

 

Question 8Which of the following is NOT considered a hypersensitivity disorder?

 

Select one:

 

a.Pollen allergy

 

b.Peanut allergy

 

c.Myasthenia gravis

 

d.Huntington’s disorder

 

Question 9Which of the following is NOT an example of an autoimmune disorder?

 

Select one:

 

a.Lupus

 

b.Crohn’s disease

 

c.Lung cancer

 

d.Psoriasis

 

Question 10Which of the following is caused when the body mistakenly attacks its own, healthy cells?

 

Select one:

 

a.Autoimmune disorders

 

b.Hypersensitivity reactions

 

c.Genetic disorders

 

d.Heredity disorders

 

Question 11Which of the following is not appropriate treatment for bacterial infections?

 

Select one:

 

a.Rest

 

b.Increased fluid intake

 

c.Antibiotic medication

 

d.Antiviral medication

 

Question 12Gene therapy is an experimental treatment that alters genetic mutations.

 

Select one:

 

True

 

False

 

Question 13Cancers are commonly treated with which of the following options?

 

Select one:

 

a.Radiation

 

b.Chemotherapy

 

c.Surgery

 

d.All of these choices

 

Question 14Prevention is the best and most effective strategy for diseases caused by environmental factors.

 

Select one:

 

True

 

False

 

Question 15Which of the following is not a common treatment for hypersensitivity disorders?

 

Select one:

 

a.Antihistamines

 

b.Decongestants

 

c.Steroids

 

d.Gene therapy