Straighterline BIO 201 Anatomy & Physiology I Graded Exam 1 (New Version June 2024)
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BIO201_MH_V4
Topic 4: Genetics
Question 1
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Which subdivision of anatomy involves the study of organs that function together?
Select one:
a. Histology
b. Regional
c. Developmental
d. Systemic
e. Surface anatomy
Question 2
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The antebrachial region is the
Select one:a. area in front of the elbow.
b. lower back.
c. forearm.
d. bottom of foot.
e. chest area.
Question 3
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A major limitation of radiographs is that they
Select one:
a. have very few applications.
b. are old technology that do not give good results.
c. give only a flat, two-dimensional image of the body.
d. can only visualize bone.
Question 4
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In a negative feedback mechanism, the response of the effector
Select one:
a. enhances the original stimulus.
b. reverses the original stimulus.
c. creates a cycle that leads away from homeostasis.
d. is usually damaging to the body.
e. has no effect on the original stimulus.Question 5
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An example of a structure contained by the mediastinum is the_________.
Select one:
a. stomach
b. sternum
c. esophagus
d. lung
e. brain
Question 6
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Which of the following is not a term that describes a cut that separates the body into left and right
portions?
Select one:
a. Coronal
b. Median
c. Parasagittal
d. Sagittal
Question 7
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Which of the following is a proton donor?
Select one:
a. A base
b. A salt
c. Glucose
d. A neutral substance
e. An acid
Question 8
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Triglycerides are composed of
Select one:
a. glycerol and fatty acids.
b. amino acids.
c. monosaccharides.
d. None of the choices are correct.
e. nucleotides.
Question 9
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To which of the following organic groups does an enzyme belong?
Select one:
a. Nucleic acid
b. Vitamin
c. Lipid
d. Protein
e. Carbohydrate
Question 10
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Why are cyanide compounds lethal to humans?
Select one:
a. All of the choices are correct.
b. They interfere with nerve impulses.
c. They interfere with protein synthesis.
d. They interfere with the production of ATP.
e. They interfere with muscle contraction.
Question 11
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Glycogen is the
Select one:
a. sugar found in RNA.b. storage carbohydrate in animals.
c. storage carbohydrate in plants.
d. major nutrient for most body cells.
e. nondigestible plant polysaccharide.
Question 12
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Which molecule is produced as a waste product of the metabolism of glucose by cells?
Select one:
a. Oxygen
b. Nitrogen
c. Carbon dioxide
d. Carbon monoxide
e. Water
Question 13
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According to the most current model of the plasma membrane,
Select one:
a. phospholipids and cholesterol form a single lipid bilayer.
b. the membrane is a rigid unchanging structure.
c. cholesterol forms the innermost layer of the membrane.
d. the membrane is impermeable to all other molecules.
e. proteins are free to move about within a double layer of phospholipids.Question 14
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The cytoskeleton consists of
Select one:
a. microfilaments, mitochondria, and lipochromes.
b. microtubules, actin filaments, and intermediate filaments.
c. actin filaments, mitochondria, and intermediate filaments.
d. ribosomes, the nucleus, and the Golgi apparatus.
e. lipochromes, microfilaments, and microtubules.
Question 15
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Active transport
Select one:
a. can move substances along their concentration gradient.
b. does not require metabolic energy (ATP).
c. follows osmotic pressure gradients.
d. requires ATP.
e. involves vesicle formation.
Question 16
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The movement of a substance from an area of high concentration to an area of lower concentration
is called_________.
Select one:
a. active transport
b. diffusion
c. osmosis
d. facilitated diffusion
e. endocytosis
Question 17
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Which of the following activities is associated with lysosomes?
Select one:
a. Endocytosis
b. Destruction of nonfunctional organelles
c. Intracellular support
d. Exocytosis
e. Energy production
Question 18
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A symporter will transport_________ across the plasma membrane.
Select one:
a. two of the same ions or molecules in the same direction
b. two different ions or molecules in opposite directions
c. two different ions or molecules in the same direction
d. two of the same ions or molecules in opposite directions
e. one specific ion or molecule
Question 19
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In general, water-soluble molecules diffuse through the_________; and lipid-soluble molecules
diffuse through the_________.
Select one:
a. None of the choices are correct.
b. lipid bilayer; lipid bilayer
c. membrane channels; lipid bilayer
d. membrane channels; membrane channels
e. lipid bilayer; membrane channels
Question 20
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The first functional kidney is the_________.
Select one:
a. bulbus cordisb. allantois
c. pronephros
d. urorectal septum
e. mesonephros
Question 21
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Where does implantation normally occur?
Select one:
a. In the isthmus area of the uterine tube
b. In the infundibulum area of the uterine tube
c. In the cervix area of the uterus
d. In the fundus area of the uterus
Question 22
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Which term means that a person posses two different alleles at a particular locus?
Select one:
a. Diploid
b. Homozygous
c. Homologous
d. Karyotype
e. Heterozygous
Question 23Correct
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The earliest period of prenatal development is the_________ period.
Select one:
a. infant
b. fetal
c. embryonic
d. neonatal
e. germinal
Question 24
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Which of the following vitamins are thought to play a role in decreasing the physiological changes in
aging?
Select one:
a. Vitamins A and
b. Vitamins A and K
c. Vitamins A and D
d. Vitamins E and C
e. Vitamins A and
Question 25
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The testes leave the abdominal cavity and reach the scrotum by passing through the_________.
Select one:
a. urethra
b. inguinal canal
c. Wolffian ducts
d. urogenital opening
e. cloaca [Show Less]