Multiple Choice QuestionsVitamin-B12is absorbed primarily in the
Stomach
Duodenum
Jejunum
ileum
D.
ileum
The parietal cells of gastric mucosa secrete certain intrinsic factors. This help in the absorption of Vitamin- B12. It is propelled along the small intestine to the terminal ileum and is absorbed by an active transport process.
Which hormone produces the calorigenic effect?
Thyroxine
FSH
Insulin
All of these
A.
Thyroxine
Calorigenic effect refers to the substance or process that produces heat or energy or that increase the consumption of O2
Parkinsonism is related with
Brain
Spinal Nerve
Cranial Nerves
All of these
A.
Brain
Parkinsonism is naming after James Parkinson, is caused by the various lesion in the extra-pyramidalmotor system of the brain. It frequently occurs in old persons or in the patients, which are treated with antipsychotic lungs.
The strongest muscle in the human is
Biceps
Gluteus maximus
Stapedius
Masseter
D.
Masseter
The masseter is a thick rectangular muscle in the cheek, one of the four muscles of mastication.
Which of the following act as an antigen, but do not induce antibody production?
Haustra
Histones
Haptens
None of these
C.
Haptens
The hapten is a low weight molecular that can be made immunogenic conjugation to a suitable carrier.
Carotid labyrinth contains
Olfactory receptors
Baroreceptors
Chemoreceptors
Phonoreceptors
B.
Baroreceptors
Carotid labyrinth or a gland is found at the base of internal carotid. It is probably a sense organ containing baroceptors that control blood pressure in the human body.
The faster breathing in high fever is due to the
Additional requirement of O2 for the invader germs
High temperature of the body
Mental worry of a patient
Loss of appetite
B.
High temperature of the body
Fever increases metabolic activity by 7% per degree Celsius increasing the requirement of O2. It increases the rate of breathing.
Epiphyseal plates at the extremities of long bones help in
Bone moulding
Elongation of bone
Bone formation
Formation of Haversian Canal
B.
Elongation of bone
Epiphyseal plate is found between diaphysis and epiphysis. It contributes to the elongation of bone during the growth period.
If the threshold for hearing increasing 1000 times, the hearing loss is
40 decibels
50 decibels
60 decibels
None of these
D.
None of these
A decibel is a measure of the ratio between two sound stimuli. The decibel level of a sound that a normal human can hear and is calculatedusing the formula.
Intensity (in decibels) = 10 x log (sound/threshold)
Therefore, the intensity of a sound that is 1000 times, thresh hold is 30 Decibels.
Switch
