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Note: Answer keys are given at the end of the MCQs.


861. A graft between individuals that belongs to different species is referred to as;
a- allograft
b- isograft
c- xenograft
d- autograft
e- homograft


862. From the suggested choices, choose the one that correctly reflects the ionic changes which will result from the impaired functioning of the plasma membrane Na-K-ATPase pump;
a- increased Na+ inside the cell and decreased K+ outside the cell
b- increased Na+ inside the cell and increased K+ outside the cell
c- decreased Na+ inside the cell and increased K+ outside the cell
d- increased Na+ outside the cell and decreased K+ inside the cell
e- increased Na+ outside the cell and increased K+ inside the cell


863. Identify the lipoprotein that is largest in size?
a- ULDL
b- VLDL
c- IDL
d- LDL
e- HDL


864. Hard gelatin capsules are available in how many sizes?
a- 4
b- 5
c- 6
d- 7
e- 8


865. Regarding the anatomy and physiology of the heart, choose the one statement that is NOT CORRECT;
a- ventricular myocardium is thicker as compared to the atrial myocardium
b- depolarization of the SA node involves the influx of calcium ions
c- electrical activity in the heart starts with depolarization of the AV node
d- Purkinje fibers are specialized in the fast conduction of electrical impulses
e- the natural pacemaker of the heart is the SA node


866. P-wave on ECG represents;
a- atrial depolarization
b- atrial repolarization
c- major ventricular depolarization
d- basal ventricular depolarization
e- ventricular repolarization


867. The temperature and time requirement in vat pasteurization is;
a- 42°C for 15 minutes
b- 63°C for 30 minutes
c- 68°C for 15 minutes
d- 100°C for 1 minute
e- 72°C for 15 seconds


868. A cell will become swollen and finally burst when placed in a;
a- saturated solution
b- hypertonic solution
c- hypotonic solution
d- isotonic solution
e- supersaturated solution


869. A solution that contains gas as solute and liquid or solid as solvent is called as;
a- aerosol
b- suspension
c- foam
d- gel
e- colloid


870. The nitrogenous base cytosine in nucleic acids is paired with its complementary base guanine through;
a- single covalent bond
b- carbon-carbon double bond
c- carbon-carbon triple bond
d- double hydrogen bonds
e- triple hydrogen bonds




871. Apart from the active ingredient(s), vaccines contain very small amounts of other ingredients as excipients. The excipients that help create a stronger immune response in the recipient of the vaccine are called as;
a- stabilizers
b- adjuvants
c- cell culture materials
d- residual antibiotics
e- mRNA


872. The main part of the brain that is responsible for the maintenance of posture and balance is;
a- pons
b- medulla
c- cerebrum
d- cerebellum
e- cerebral cortex


873. One normal cardiac cycle consists of complete contraction and relaxation of both the atria and ventricles. This cycle lasts for approximately how much time?
a- 0.2 seconds
b- 0.8 seconds
c- 2 seconds
d- 8 seconds
e- 60 seconds


874. Point out the statement from the following that is NOT CORRECT in relevance to creams vs. ointment comparison?
a- creams contain more water as compared to ointments
b- ointments feel more greasy on the skin than creams
c- ointments are preferred over creams in case of dry skin
d- the onset of action of ointment is slower than cream
e- creams are preferred over ointments for small skin surface area application


875. The only amino acid in which instead of the side chain R-group, a simple hydrogen atom is present is;
a- alanine
b- glycine
c- leucine
d- proline
e- valine


876. During normal aerobic cellular respiration, maximum how many ATP molecules are produced from a single molecule of glucose?
a- 6
b- 10
c- 16
d- 38
e- 56


877. Comparing characteristics of gram-positive and gram-negative bacteria, the statement that is NOT CORRECT is;
a- g+ve bacteria have more lipids in their cell wall
b- the toxins produced by g+ve bacteria are primarily exotoxins
c- lipopolysaccharides content is higher in g-ve bacteria 
d- peptidoglycan layer is thicker in g+ve bacteria
e- porins proteins are present in g-ve bacteria 


878. An example of an inorganic solvent is;
a- methanol
b- ethyl acetate
c- ammonia
d- diethyl ether
e- chloroform


879. The veracity of which one statement among the following is doubtful?
a- heparin is produced both by basophils and mast cells in our bodies
b- insulin and glucagon function opposite to each other
c- disintegration test does not apply to capsules 
d- antibodies contain disulfide bonds in their structure
e- alcohol and fatty acids combination yields waxes


880. On ECG, the corresponding waveform is masked for;
a- atrial depolarization
b- atrial repolarization
c- major ventricular depolarization
d- basal ventricular depolarization
e- ventricular repolarization


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Answer Keys
MCQ # - Correct option
861 - c
862 - b
863 - a
864 - e
865 - c
866 - a
867 - b
868 - c
869 - c
870 - e

871 - b
872 - d
873 - b
874 - e
875 - b
876 - d
877 - a
878 - c
879 - c
880 - b