Ch. 1,2,3 Practice Quiz
The study of the structure of individual cells is called...
Cytology.
Histology.
Embryology.
Physiology.
Anatomy.
The study of early developmental processes is termed
Histology.
Embryology.
Cytology.
Pathology.
Organology.
Arrange the following list of levels of organization from the smallest level to the largest level.
- tissue
- cell
- organ
- organelle
- organism
2, 4, 1, 3, 6, 5
4, 2, 1, 3, 6, 5
4, 2, 1, 6, 3, 5
4, 2, 3, 1, 6, 5
2, 1, 4, 3, 5, 6
Locomotion and heat production are the fun
Skeletal
Muscular
Respiratory
Lymphatic
Cardiovascular
The kidneys and urinary bladder are organs of the _____ system.
Endocrine
Digestive
Respiratory
Urinary
Lymphatic
When body temperature rises, a center in the brain initiates physiological changes to decrease the body temperature. This is an example of?
Negative feedback.
Positive feedback.
Nonhomeostatic regulation.
Diagnostic regulation.
Disease.
Which one of the following is not a characteristic of the endocrine system?
Releases chemical messengers called hormones
Produces a more rapid response to body changes than the nervous system
Can produce effects that last for days or longer
Can produce an effect that involves several organs or tissues at the same time
Important homeostatic system
A person facing forward with hands at the sides and palms facing forward is in the...
Supine position.
Prone position.
Anatomical position.
Frontal position.
Sagittal position.
Which of the following regions corresponds to the lower back?
Pelvic
Cephalic
Gluteal
Lumbar
Thoracic
Which of the following regions corresponds to the upper arm?
Cervical
Brachial
Antebrachial
Femoral
Pedal
A cut that passes parallel through the long axis of the body and divides the body into equal left and right halves is known as a?
Frontal section.
Coronal section.
Transverse section.
Midsagittal section.
Parasagittal section.
The muscle known as the diaphragm separates the _____ from the _____.
Pleural cavity; mediastinum
Thoracic cavity; abdominopelvic cavity
Pericardial cavity; pleural cavity
Abdominal cavity; pelvic cavity
Pericardial sac; pericardial cavity
The thoracic cavity contains the
Coelom.
Pericardial cavity.
Pelvic cavity.
Pleural cavities.
Both B and D
In positive feedback, the initial stimulus produces a response that
Suppresses the stimulus.
Has no effect on the stimulus.
Interferes with the completion of the process.
Exaggerates the stimulus.
Impedes the stimulus.
The diaphragm divides the ventral body cavity into a superior _____ cavity and an inferior _____ cavity.
Pleural; pericardial
Abdominal; pelvic
Thoracic; abdominopelvic
Cranial; thoracic
Cranial; cervical
Anatomy is to _____ as physiology is to _____.
Function; form
Form; structure
Structure; function
Structure; form
Growth; form
This type of feedback amplifies the effects of a system.
Negative
Positive
Neutral
Depressing
All of the above
The four quadrants of the abdominopelvic region include
Right upper quadrant (RUQ).
Right lower quadrant (RLQ).
Left upper quadrant (LUQ).
Left lower quadrant (LLQ).
All of the above
Which of the following is not considered an abdominopelvic region?
Right hypochondriac
Right inguinal region
Left lumbar
Left hypochondriac
Right upper
Identify an organ located within the pleural cavity.
Heart
Small Intestine
Lung
Spleen
Stomach
A person is lying on the bed gazing at the ceiling. She is in the _____ position.
Prone
Supine
Posterior
Dorsal
Caudal
The right pleural cavity surrounds the
Heart.
Trachea.
Left lung.
Right lung.
Digestive organs.
The abdominopelvic cavity includes
The abdominal cavity.
The pericardial cavity.
The pelvic cavity.
The mediastinum.
The abdominal cavity and the pelvic cavity.
_____ is the study of life.
Anatomy
Biology
Physiology
Cytology
Embryology
The simplest chemical units of matter are
Atoms.
Molecules.
Protons.
Neutrons.
Electrons.
Which of the following is the largest in size?
An atom
A molecule
A proton
A neutron
An electron
The atomic number represents the number of
Protons in an atom.
Electrons in an ion.
Neutrons in an atom.
Protons and neutrons.
Neutrons and electrons.
Ions with a positive charge are called
Cations.
Anions.
Radicals.
Polyatomic ions.
Isotopes.
Elements that have atoms with full outer shells of electrons
Will form many compounds.
Will normally form anions.
Will normally form cations.
Frequently form hydrogen bonds.
Are inert.
Each of the following is an example of an inorganic compound, except
Water.
Acids.
Bases.
Salts.
Glucose.
Which of the following substances would be least acidic?
If a substance has a pH that is greater than 7, it is
Neutral.
Acidic.
Alkaline.
A buffer.
A salt.
Inorganic compounds that are soluble and whose ions will conduct an electrical current are called
Hydrophobic.
Electrolytes.
Covalent bonds.
Polar covalent molecules.
Hydration spheres.
The most important metabolic fuel molecule in the body is
Sucrose.
Starch.
Protein.
Vitamins.
Glucose.
A fatty acid that contains three double covalent bonds in its carbon chain is said to be
saturated.
Monounsaturated.
Polyunsaturated.
Hydrogenated.
Carboxylated.
Most of the fat found in the human body is in the form of
Steroids.
Phospholipids.
Triglycerides.
Prostaglandins.
Monoglycerides.
Glycoproteins and proteoglycans are combinations of proteins and
Carbohydrates.
Fatty acids.
Lipids.
Nucleic acids.
None of the above
Nucleic acids are composed of units called
Amino acids.
Fatty acids.
Purines.
Pyrimidines.
Nucleotides.
A nucleotide consists of
A five-carbon sugar and phosphate group.
A five-carbon sugar and a nitrogenous base.
A phosphate group and a nitrogenous base.
A five-carbon sugar, a nitrogenous base, and a phosphate group.
A five-carbon sugar and an amino acid.
The basic structural and fun
Protein.
The cell.
Tissue.
The organ.
The organ system.
The watery medium that surrounds a cell is called
Cytosol.
Protoplasm.
Extracellular fluid.
Cytoplasm.
A colloidal gel.
The plasma membrane
Is composed of a bilayer of proteins.
Is composed of a bilayer of lipids.
Is composed of only carbohydrate molecules.
Is a complex combination of carbohydrates and proteins.
Is a complex combination of carbohydrates and lipids.
Components of the cytoskeleton may include all of the following, except
Microfilaments.
Intermediate filaments.
Basal bodies.
Microtubules.
Thick filaments.
Synthesis of lipids takes place at the
Ribosomes.
Rough endoplasmic reticulum.
Golgi apparatus.
Mitochondria.
The control center for cellular operations is the
Nucleus.
Mitochondria.
Golgi apparatus.
Endoplasmic reticulum.
Ribosome.
The nucleus stores the DNA needed to synthesize which of the following molecules in the cytoplasm?
Carbohydrates
Lipids
Proteins
Phospholipids
None of the above
The triplet codes needed to produce a specific polypeptide chain are found in the
Chromosome.
Gene.
Codon.
Anticodon.
Polypeptide itself.
The process of protein formation is called
Replication.
Transcription.
Translation.
Mitosis.
Auscultation.
A solution that contains a lower solute concentration than the cytoplasm of a cell is called
Merotonic.
Hypertonic.
Isotonic.
Hypotonic.
Homotonic.
Crenation occurs when a blood cell is placed in a(n) _____ solution.
Isotonic
Hypertonic
Hypotonic
Merotonic
Homotonic
The principal cations in our body fluids are _____ and _____.
Sodium; potassium
Calcium; magnesium
Sodium; magnesium
Chloride; potassium
Sodium; chloride
In order to maintain cellular homeostasis, an important exchange pump within the cell membrane ejects _____ ions from the cell and imports _____ ions.
Potassium; calcium
Sodium; calcium
Potassium; sodium
Sodium; potassium
Calcium; sodium
When describing a cell’s membrane potential, the cell interior is
More positively charged than the exterior.
More negatively charged than the exterior.
Electrically neutral.
Continuously reversing its electrical charge.
Positively charged whenever the sodium–potassium pump is active.
The stage in a cell’s life cycle in which the cell performs its normal fun
Prophase.
Metaphase.
Interphase.
Telophase.
Anaphase.
During the process of mitosis, chromatids separate into daughter chromosomes during
Prophase.
Metaphase.
Interphase.
Telophase.
Anaphase.
During this phase of cell division, the chromosomes uncoil, the nuclear membrane forms, and cytokinesis may occur.
Anaphase
Prophase
Interphase
Telophase
Metaphase
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