Physiology 001 - Introduction to Human Physiology » Spring 2023 » Lecture 1 Quiz

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Question #1
Glycolysis results in the formation of:
A.   cholesterol
B.   peptides
C.   pyruvic acid
D.   hormones
Question #2
Breakdown of Stored Glycogen is designated as
A.   Glycogenolysis
B.   glycolysis
C.   glycogenesis
Question #3
A negative feedback system ______once the set point has been reached.
A.   enhances the production of substance
B.   shuts the system off
Question #4
Hydrophilic portions of phospholipids are
A.   called tails
B.   called heads
Question #5
Liver and muscle cells accumulate carbohydrates in the form of:
A.   glycogen
B.   peptides
C.   phospholipids
D.   cholesterol
Question #6
Which of the following statements best describes homeostasis?
A.   Keeping the body in a fixed and unaltered state.
B.   Maintaining a near-constant internal environment
C.   Altering the external environment to accommodate the body's needs.
Question #7
Vitamins are used as coenzymes
A.   False
B.   True
Question #8
The liver converts excess acetyl-CoA into ketone bodies mostly _______.
A.   After a meal.
B.   During fasting
Question #9
Acids _____ the concentration of H+ in a solution
A.   decrease
B.   increase
Question #10
acetyl–coenzyme A (acetyl-CoA) is produced in the mytochondria matrix and then enters the Krebs cycle
A.   False
B.   True
Question #11
Which structures are composed of one molecule of glycerol and three molecules of fatty acids
A.   triglycerides
B.   glycogen
C.   proteins
D.   cholesterol
Question #12
Cellulose is not digestible by humans
A.   True
B.   False
Question #13
Integral proteins act as carrier proteins:
A.   Bind to the substance they carry.
B.   Do not bind to the substance they carry.
Question #14
A ______ feedback system enhances the production of the product.
A.   positive
B.   negative
Question #15
The assembly of the RNA molecule (single-stranded) occurs under the influence of the enzyme RNA polymerase
A.   True
B.   False
Question #16
Hydrophilic portions of phospholipids
A.   face the two surfaces of the membrane in contact with the surrounding interstitial fluid and the cell cytoplasm.
B.   face each other
Question #17
GLUT 4 is ___________ that allows glucose entry into skeletal muscle and adipose tissue
A.   carrier
B.   peripheral protein
C.   channel
Question #18
What is the name of the sugar in DNA?
A.   deoxyribose
B.   ribose
Question #19
Carrier proteins can also be designated as:
A.   transporters
B.   hormones
C.   enzymes
D.   receptors
Question #20
Anaerobic Glycolysis Generates
A.   Lactic Acid
B.   Pyruvic Acid
C.   Oxygen
Question #21
In fasting, ketone bodies are formed out of glucose.
A.   False
B.   True
Question #22
Phospholipids are the most abundant of the cell lipids and have a water-soluble or _____ portion and a portion that is soluble only in fats or ______
A.   hydrophobic; hydrophilic
B.   hydrophilic; hydrophobic
Question #23
The extracellular fluid is also called the internal environment of the body.
A.   False
B.   True
Question #24
Carbohydrates are stored in human cells as:
A.   glycogen
B.   proteins
C.   lipids
D.   cellulose
Question #25
Electrons that are not shared equally form a polar covalent bond
A.   False
B.   True
Question #26
Hormones travel through the blood to their target cells.
A.   False
B.   True
Question #27
What is the name of the sugar in RNA?
A.   deoxyribose
B.   ribose
Question #28
RNA polymerase starts ____ by recognizing the promoter.
A.   translation
B.   transcription
Question #29
Krebs cycle reduces NAD to NADH and FAD to FADH2
A.   False
B.   True
Question #30
What does “internal environment” refer to?
A.   intracellular
B.   extracellular
Question #31
Proteins that are transported out of the cells are normally first modified by
A.   mitochondria
B.   lysosomes
C.   nuclei
D.   Golgi apparatus
Question #32
Transforming ATP into ADP releases energy
A.   False
B.   True
Question #33
Oxidative phosphorylation oxidases NADH and FADH2.
A.   True
B.   False
Question #34
What transporter is found in skeletal muscle and adipose cells and responds to insulin?
A.   GLUT 3
B.   GLUT2
C.   GLUT 4
D.   GLUT1
Question #35
Digestive enzymes are found in:
A.   nuclei
B.   mitochondria
C.   lysosomes
D.   Golgi apparatus
Question #36
Without oxygen most pyruvate is transformed into
A.   glucose
B.   Acetyl-coA
C.   fructose
D.   lactic acid
Question #37
The code of DNA is transferred to RNA, a process called______.
A.   transcription
B.   translation
Question #38
Ions that have a net positive charge are called
A.   anions
B.   cations
Question #39
A diploid cell splits into two new diploid cells. This is designated as:
A.   Mitosis
B.   Meiosis.
Question #40
What organelles DO NOT have a membrane?
A.   nuclei
B.   lysosomes
C.   mitochondria
D.   ribosomes

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