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BIO test 3

Terms in this set (40)

Which molecule is not a component of the cell plasma membrane?
Deoxyribonucleotide
Which statement is true?
A cell placed in a hypotonic solution will swell
Which one of the following needs a transport protein to cross the cell membrane?
Glucose
The method of movement that requires the expenditure of ATP molecules is
Active transport
Which one is not true about bulk transportation?
Pinocytosis is transporting materials out of the cell
Which one of the following is not true of enzymes and their behavior?
One enzyme can bind with a wide variety of different substrates
Which one of the following substances that completes with the usual substrate for the enzyme's active site?
Competitive inhibitors
Which one is true about cellular work?
All of them are true
Which one is not true about ATP?
Fermintation do not produce ATP
Where there are too much glucose in the blood, following reaction happens to store excess glucose in liver and muscle cells. What is the hormone represented by "X"?
Insulin
Which of the following is true about fermintation?
All of them are true
Humans have various percentages of slow and fast muscle fibers. Which one is true about them
All of them are true
Which one is not a characteristic of 'innate' immunity?
It has an immunological memory
All of the following are good barriers to invasion by microbes, Except
Broken skin
A boy falls while riding his bike. A scrap on his hand begins to bleed. The wound becomes red, warm, swollen and later he got a fever. What response is occurring?
Inflammatory response
Human lymphocytes act as natural 3rd line of defense. The mechanism of action of B-cells and T-cells are performed by producing
Antibodies and killer cells
Which cells contribute to the "immunological memory"?
B cells & T cells
A vaccine does not contain
full strength pathogens
Which one is not true about vaccine?
It is a type of innate immunity
You and a friend are inline for a movie when you notice the women in front of you sneezing and coughing. Both of you have been equally exposed to the women's virus, but over the next few days, only your friend acquires flu-like symptoms. Which one is true about this situation?
You have an acquired immunity to that virus
Which one is not true about antibodies
Can use to treat viral infections
Antimicrobial drugs could be either antibiotics, antifungal drugs, or antiviral drugs. These drugs can inhibit
Cell wall synthesis, DNA & RNA synthesis, Plasma membrane synthesis, Protein synthesis (All the above)
Which one is not a mode of action of an antiviral drug?
Cause inflammatory reactions
Which one is a common disinfectant used in water purification?
Bleach
Which one is a common antiseptic agent?
Iodine Beta-dine
Which one is not true about pasteurization and sterilization?
Pasteurization is used to eliminate all the microorganisms from food items
What is the proper sequence in the flow of air in human respiratory system?
nasal cavity, pharynx, larynx, trachea, bronchi
Which one is not true about sinuses and sinus infections?
cigarette smoke is the primary cause for sinus infections
Emphysema is a condition associated with the respiratory system. A person with emphysema may have
Broken alveolar walls due to long exposure to cigarette smoke
What is not true about human blood?
White blood cells transport oxygen and carbon dioxide
Which one of the following is true of the pulmonary arteries and veins?
The right ventricle pumps oxygenated blood to pulmonary arteries
Which one of the following is true about hypertension?
Increased both systolic and diastolic pressure
An abnormal rhythm of the heart caused by problems with heart's electrical system. The condition whit less than normal heart rhythm is called as,
Bradycardia
Which one of the following is not an active participant in the food digestive process?
esophagus
Salivary amylase begins the digestion of which class of foods in the mouth
carbohydrates
The first part of the small intestine is the
duodenum
The bile is produced in ______________, and stored in _______________
liver and gall bladder
Which one of the following organs secretes both enzymes and hormones
pancreas
The hormone that controls the urine formation is
anti-diuretic hormone (ADH)
Which one is true about urinary tract infections, kidney diseases and sexually transmitting diseases?
Look on paper
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