Health Sciences
Question Bank
Course Introduction
Health Sciences is an interdisciplinary field that explores the scientific, social, and ethical aspects of health, disease, and healthcare. This course provides students with a foundational understanding of human biology, epidemiology, healthcare systems, and public health principles. Through a combination of theoretical knowledge and practical applications, students examine the determinants of health, strategies for disease prevention, and the promotion of wellness at the individual and community levels. Emphasis is placed on critical thinking, health literacy, and the development of skills essential for careers in healthcare, research, and related sectors.
Recommended Textbook Human Biology 12th Edition by Sylvia Mader
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25 Chapters
1495 Verified Questions
1495 Flashcards
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Page 2
Chapter 1: Exploring Life and Science
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53 Flashcards
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Sample Questions
Q1) Technology is the application of scientific knowledge to the interests of humans.
A)True
B)False
Answer: True
Q2) The face of a sunflower turns to follow the sun as it moves across the sky.This is an example of
A) metabolism.
B) homeostasis.
C) response to stimuli.
D) development.
E) reproduction.
Answer: C
Q3) Which of the following is not a basic characteristic of all living things?
A) Living things are organized.
B) Living things acquire materials and energy.
C) Living things contain a nucleus and organelles.
D) Living things reproduce.
E) Living things grow and develop.
Answer: C
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Page 3
Chapter 2: Chemistry of Life
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Sample Questions
Q1) An element has its outermost orbital full and contains more than 2 electrons.Which element is this?
A) He
B) Ne
C) C
D) N
E) O
Answer: B
Q2) When an ATP molecule is used to supply energy,which of the following occurs?
A) a phosphate bond is added
B) a phosphate bond is broken
C) oxygen is removed
D) oxygen is added
E) an adenine is added
Answer: B
Q3) Water makes up 60-70% of total body weight.
A)True
B)False
Answer: True
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Page 4
Chapter 3: Cell Structure and Function
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Sample Questions
Q1) Which of the following is not associated with the cytoskeleton?
A) intermediate filaments
B) microtubules
C) microbodies
D) actin filaments
E) centrosome
Answer: C
Q2) What is the name of a photograph of a specimen obtained with a microscope?
A) negative
B) dermatome
C) thermograph
D) micrograph
E) chromatograph
Answer: D
Q3) Which of the following processes in the breakdown of glucose does not require oxygen?
A) glycolysis
B) citric acid cycle
C) electron transport chain
Answer: A
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Chapter 4: Organization and Regulation of Body Systems
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Sample Questions
Q1) Stretch marks are the result of tears in the integumentary layer that contains fibrous connective tissue,elastin,and collagen.What is this region of the integument called?
A) subcutaneous layer
B) Langerhan layer
C) epidermis
D) hypodermis
E) dermis
Q2) ________ glands are considered ductless glands and ______ glands are contain ducts.
A) Exocrine, endocrine
B) Transitional, exocrine
C) Transitional, endocrine
D) Endocrine, exocrine
E) Sudoriferous, transitional
Q3) The epithelial lining of the small intestine is modified for what function?
A) absorption
B) secretion
C) excretion
D) removing debris
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Page 6
Chapter 5: Cardiovascular System: Heart and Blood
Vessels
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Sample Questions
Q1) Elizabeth takes a prescription drug that dilates her arterioles.What does this do to her blood pressure? Why?
A) It falls because this increases the cross-sectional area of the vessels.
B) It rises because this increases the cross-sectional area of the vessels.
C) It falls because this decreases the cross-sectional area of the vessels.
D) It rises because this decreases the cross-sectional area of the vessels.
E) It stays the same because venules, not arterioles, control blood pressure.
Q2) Choose the most correct statement concerning capillaries.
A) Networks of capillaries are called capillary nets.
B) Almost all capillaries are open at the same time.
C) The only site of nutrient, gas exchange, and waste exchange is the capillaries.
D) Pre-capillary sphincters contract to increase capillary flow.
E) The walls of capillaries contain smooth muscle.
Q3) What drug may protect against having a first heart attack?
A) acetominophen
B) aspirin
C) ACE
D) t-PA
E) beta-blockers
Page 7
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Chapter 6: Cardiovascular System: Blood
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Sample Questions
Q1) What makes the blood red?
A) albumin
B) hemoglobin
C) fibrinogen
D) globulins
E) platelets
Q2) Excess tissue fluid becomes lymphatic fluid that eventually enters the blood stream.
A)True
B)False
Q3) Which of the following are actually cell fragments and not whole cells?
A) RBCs
B) WBCs
C) platelets
D) albumins
E) globulins
Q4) If mom has already developed anti-Rh antibodies during her first pregnancy,a RhoGAM shot will not help her second pregnancy.
A)True
B)False
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Chapter 7: Lymphatic System and Immunity
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Sample Questions
Q1) A bacterium that is shaped like a basketball would be called a A) coccus.
B) bacillus.
C) spirillus.
Q2) Which of the following is not a lymphatic organ?
A) spleen
B) tonsil
C) thymus
D) liver
E) red bone marrow
Q3) What exist in some bacteria to prevent them from being destroyed by phagocytic white blood cells?
A) pili
B) fimbrae
C) flagella
D) plasmids
E) capsules
Q4) Inflammation is normally a self-limiting process.
A)True
B)False
Page 9
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Chapter 8: Digestive System and Nutrition
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Sample Questions
Q1) Pepsin is an enzyme that digests proteins at acidic pH.Therefore,it must act in the A) stomach.
B) small intestine.
C) mouth.
D) large intestine.
E) esophagus.
Q2) Recent studies of an oyster-rich bay indicated a high coliform count.What should the fisheries officers do?
A) Nothing. A high coliform count is normal.
B) Nothing. This is good for oyster production.
C) Shut down the bay. This is harmful to humans who eat the oysters.
D) Shut down the bay. This is harmful to the oysters.
Q3) When a nutrition labels states that something has "0" grams of trans fat,this might not mean there are no trans fats in the food.
A)True
B)False
Q4) Swallowing consists of both a voluntary phase and a reflex action.
A)True
B)False
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Chapter 9: Respiratory System
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Sample Questions
Q1) Where is the respiratory control center located?
A) in the brain
B) in the bronchi
C) in the lungs
D) in the aorta
E) in the diaphragm
Q2) When you breathe into a paper bag after hyperventilating,you are decreasing the amount of carbon dioxide in the blood.
A)True
B)False
Q3) Even if you quit smoking,the damage to your lungs is already done and they will not return to normal.
A)True
B)False
Q4) Carotid bodies and aortic bodies detect
A) blood pH.
B) oxygen blood levels.
C) oxygen tissue levels.
D) stretching of the lungs.
E) the residual volume.
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Chapter 10: Urinary System and Excretion
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Sample Questions
Q1) The kidneys convert vitamin D and thereby assist calcium homeostasis.
A)True
B)False
Q2) An enlarged prostate gland can lead to kidney stones in males.
A)True
B)False
Q3) Which of the following organs of the urinary system is not present in duplicate?
A) bladder
B) kidney
C) ureter
Q4) Substances that are nonfilterable in the glomerulus exit the nephron through the afferent arteriole.
A)True
B)False
Q5) ANH is a hormone produced by the hypothalamus and secreted by the posterior pituitary.
A)True
B)False
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Chapter 11: Skeletal System
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Sample Questions
Q1) What is the name of the first cervical vertebra? Why?
A) atlas, Greek mythology
B) atlas, it allows "yes" motion of the head
C) axis, Roman mythology
D) axis, it allows the "no" motion of the head
E) sphinoid, Egyptian sphinx mythology
Q2) What is a canaliculus?
A) the large cavity inside a long bone
B) a stress plate in spongy bone
C) a fibrous connective covering of bone
D) a small channel in the matrix of bone
E) a type of bone forming cell
Q3) Jill broke her cheekbone in an ice skating accident.Which bone did she break?
A) temporal bone
B) mandible
C) maxilla
D) zygomatic bone
E) frontal bone
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13
Chapter 12: Muscular System
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Sample Questions
Q1) Which disease is an autoimmune disease characterized by weakness that especially affects the muscles of the eyelids,face,neck,and extremities?
A) myalgia
B) muscular dystrophy
C) myasthenia gravis
D) tendinitis
E) bursitis
Q2) What is the biggest muscle (in terms of mass)in the body?
A) gluteus maximus
B) sartorius
C) stapedius
D) quadriceps femoris
E) latissimus dorsi
Q3) Contraction of a muscle requires all the motor units to be undergoing tetanic contraction.
A)True
B)False
Q4) When a muscle contracts,the H zone almost disappears.
A)True
B)False
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Chapter 13: Nervous System
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Sample Questions
Q1) Which of the following is not a type of neuron?
A) sensory
B) interneuron
C) motor
D) neuroglia
Q2) Dopamine plays a central role in the working of the brain's built-in reward circuit.
A)True
B)False
Q3) What ensures the one-way direction of an action potential?
A) As soon as the action potential has passed by, that portion of the axon undergoes a short refractory period.
B) Action potentials are self-propagating.
C) Conduction of an action potential is an all-or-none event.
D) An action potential at one node causes an action potential at the next node.
E) An axon can conduct a volley of action potentials very quickly.
Q4) The brain stem contains the midbrain,the pons,and the medulla oblongata.
A)True
B)False
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Page 15
Chapter 14: Senses
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Sample Questions
Q1) Which layer of the eye contains an extensive blood supply?
A) sclera
B) choroid
C) retina
Q2) Which of the following is a genetic mutation that affects males more than females?
A) astigmatism
B) farsightedness
C) nearsightedness
D) red green color blindness
Q3) If stereocilia move toward the kinocilium,which of the following occurs?
A) Nerve impulses increase in the vestibular nerve.
B) The cupula begins to move in the same direction.
C) Fluid within the semicircular canal flows over and displaces the cupula.
D) The otoliths in the utricle return to their resting position.
E) The data is sent to the medulla oblongata for processing.
Q4) Nearsighted people cannot see objects that are close.
A)True
B)False
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16
Chapter 15: Endocrine System
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Sample Questions
Q1) Are there any systems that the nervous and endocrine systems do not control?
Q2) Which of the following is not involved in blood calcium homeostasis?
A) bones
B) thyroid gland
C) parathyroid glands
D) kidneys
E) posterior pituitary
Q3) Although other animals produce pheromones,humans have not been shown to make them.
A)True
B)False
Q4) Which of the following hormones is controlled by positive feedback?
A) prolactin
B) oxytocin
C) growth hormone
D) antidiuretic hormone
E) gonadotropic hormone
Q5) Most of the diabetics in the United States have type 1 diabetes.
A)True
B)False
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Chapter 16: Reproductive System
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60 Verified Questions
60 Flashcards
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Sample Questions
Q1) What does being overweight have to do with infertility in women?
A) Leptin levels are higher which impacts GnRH and FSH.
B) The oviducts are blocked.
C) Uterine tissue is located outside of the uterus causing pain and structural abnormalities.
D) Follicles are larger than normal and many mature at one time.
E) The uterus is displaced and the zygote has difficulty implanting.
Q2) During implantation,the zygote can be found
A) in the endometrium.
B) in the oviduct.
C) in the abdominal cavity.
D) in the labium majora.
E) in the labium minora.
Q3) When does the follicular phase of the ovarian cycle (nonpregnant)occur?
A) days 1-5
B) days 1-13
C) days 6-13
D) day 14
E) days 15-28
Q4) Is bacterial vaginosis (BV)always a result of sexual transmission?
Page 18
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Chapter 17: Development and Aging
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Sample Questions
Q1) The nervous system is to the ectoderm as the skeleton is to the A) mesoderm.
B) endoderm.
C) chorion.
D) allantois.
E) blastula.
Q2) The yolk sac of the chick provides nutrients to the developing embryo.What does that in humans?
A) chorion
B) allantois
C) yolk sac
D) amnion
Q3) Which of the following problems is not associated with pregnancy?
A) lordosis
B) lower back pain
C) gastrointestinal reflux
D) incontinence
E) impotence
Q4) Sheila is experiencing contractions every 15 to 20 minutes that last for 40 seconds or longer.Is she ready to give birth?
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Chapter 18: Patterns of Chromosome Inheritance
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Sample Questions
Q1) How are mitosis and cytokinesis alike?
A) Both involve the nucleus.
B) Both involve mitochondria.
C) Both involve division.
D) Both involve apoptosis.
E) Both involve DNA synthesis.
Q2) If the secondary oocyte is not fertilized,it does not complete meiosis II.
A)True
B)False
Q3) In what way is spermatogenesis similar to oogenesis?
A) Both occur continuously from puberty on.
B) Both result in 4 daughter cells.
C) Both result in cells with half the chromosome number.
D) Both are arrested in prophase I.
E) Both result in 1 or 2 polar bodies.
Q4) Which aspect of the cytoskeleton is involved in the cleavage furrow?
A) microtubules
B) intermediate filaments
C) actin filaments
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Chapter 19: Cancer
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Sample Questions
Q1) In the case of a proto-oncogene like RET,both copies of the gene must be mutated to increase a predisposition to cancer.
A)True
B)False
Q2) Which of the following is not a type of chemotherapy?
A) alkylating agents
B) antimetabolites
C) antitumor antibiotics
D) bone marrow transplants
E) mitotic inhibitors
Q3) Which of the following is not a characteristic of cancer cells that distinguishes it from normal cells?
A) Cancer cells lack differentiation.
B) Cancer cells have abnormal nuclei.
C) Cancer cells utilize mitosis to divide.
D) Cancer cells have an unlimited potential to replicate.
E) Cancer cells form tumors.
Q4) Currently most cancers are diagnosed before metastasis.
A)True
B)False
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Chapter 20: Patterns of Genetic Inheritance
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Sample Questions
Q1) How is familial hypercholesterolemia inherited?
A) autosomal recessive
B) autosomal dominant
C) incompletely dominant
D) codominant
E) sex-linked dominant
Q2) The probability of tossing a coin and having it be heads or tails is
A) 1/4
B) 1/2
C) 1
D) 0
Q3) Which of the following genetic disorders is due to a lack of the lysosome enzyme hex A?
A)cystic fibrosis
B)Tay-Sachs disease
C)Huntington disease
D)sickle-cell disease
E)Marfan syndrome
Q4) Can a woman with an X-linked recessive disorder have normal sons?
Q5) Can a man with type O blood be the father of a child with type A blood?
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Chapter 21: DNA Biology and Technology
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Sample Questions
Q1) Exons in mRNAs are excised and left in the nucleus.
A)True
B)False
Q2) What enzyme is responsible for transcribing RNA?
A) helicase
B) DNA polymerase
C) RNA polymerase
D) ligase
E) protease
Q3) How many different amino acids are commonly found in proteins?
A) 5
B) 10
C) 20
D) 50
E) over 100
Q4) In ex vivo gene therapy,therapeutic DNA is injected into body cells with the use of a vector or carrier molecule.
A)True
B)False
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Chapter 22: Human Evolution
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Sample Questions
Q1) What relationship do humans have with apes?
A) They are our ancestors.
B) We both share a common ancestor.
Q2) Which of the following is not a species within the genus Homo?
A) Homo erectus
B) Homo habilis
C) Homo ramidus
D) Homo sapiens
E) Homo floresiensis
Q3) Chinese cabbage,brussels sprouts,and kohlrabi are all derived from a single species via artificial selection.
A)True
B)False
Q4) What is a characteristic that makes an organism able to survive and reproduce in its environment?
A) culture
B) selection
C) analogy
D) adaptation
E) homology
Page 24
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Chapter 23: Global Ecology and Human Interferences
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Sample Questions
Q1) Most ecosystems contain quaternary consumers.
A)True
B)False
Q2) What is involved in the process of denitrification?
A) conversion of nitrogen gas to ammonium
B) conversion of nitrogen gas to nitrate
C) conversion of ammonium to nitrate
D) conversion of nitrite to nitrate
E) conversion of nitrate to nitrogen gas
Q3) What is the direct source of carbon for algae?
A) calcium carbonate
B) calcium chloride
C) bicarbonate
D) carbon dioxide
E) carbon monoxide
Q4) What is the reservoir for the water cycle?
A) ocean
B) lakes and rivers
C) rainfall
D) aquifers
Page 25
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Sample Questions
Q1) In MDCs,many people do not eat enough protein.
A)True
B)False
Q2) The carrying capacity of Earth for humans is approximately 8 billion people.
A)True
B)False
Q3) How is the growth rate of a population determined?
A) birth rate
B) death rate
C) birth rate minus death rate
D) birth rate times death rate
E) birth rate divided by death rate
Q4) Which of the following medicinal value pairings is mismatched?
A) rosy periwinkle--leukemia
B) armadillo--leprosy
C) viruses--antibiotics
D) fungus--penicillin
E) horseshoe crabs--limulus amoebocyte lysate
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Q5) Is it important to save the wild relatives of our current crop plants,even at great cost?
Chapter 25: Infectious Diseases Supplement
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Sample Questions
Q1) There is no point in taking antibiotics for a cold.
A)True
B)False
Q2) How long does the treatment for TB take?
A) 1-2 days
B) 1-2 weeks
C) 1 month
D) 2 months
E) 6+ months
Q3) Which of the following is not a layer of the protein coat that surrounds the HIV genetic material?
A) matrix
B) capsid
C) nucleocapsid
D) protease
Q4) As of yet,there have been no Phase III vaccine trials for an HIV vaccine.
A)True
B)False
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