In this practice test series, we have added questions from the basics fo physiology. These questions are most important for Nursing officers and pharmacist exams.
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Q.1.
A person living at a high altitude will have-
- High alveolar capacity
- More erythrocytes
- Haemoglobin curve shifted towards right
- All of these
Answer:
(d) All of these
Q.2.
The exchange of gases in the alveoli of the lungs takes place by-
- Simple diffusion
- Osmosis
- Passive transport
- Active transport
Answer:
(a) Simple diffusion
Explanation: The exchange of gases in the alveoli of the lungs takes place by Simple diffusion.
Explanation: The exchange of gases in the alveoli of the lungs takes place by Simple diffusion.
Q.3.
Lungs are enclosed in-
- Pericardium
- Peritoneum
- Pleura
- Perichondrium
Answer:
(c) Pleura
Q.4.
Pasteurization of milk means-
- All bacteria are killed
- Milk is enriched with vitamins
- Pathogenic bacteria are killed
- Milk casein is partially digested
Answer:
(a) All bacteria are killed
Explanation: The pasteurization technique is used to kill all the bacteria in the milk.
Explanation: The pasteurization technique is used to kill all the bacteria in the milk.
Q.5.
Haemoglobin - oxygen dissociation curve is-
- Hyperbolic
- Straight
- Sigmoid
- Constant
Answer:
(c) Sigmoid
Q.6.
Arytenoid cartilage occurs in-
- Nose
- Larynx
- Hyoid
- Sternum
Answer:
(b) Larynx
Q.7.
Respiratory Quotient (RQ) is less than 1 for -
- Potato
- Citrus Fruits
- Castor seeds
- Banana
Answer:
(c) Castor seeds
Q.8.
A pacemaker is implanted when one of these is defective-
- SA node
- AV node
- Purkinje fibres
- Bundle of lines
Answer:
(a) SA node
Explanation: When SA node in the heart defects then pacemaker is implanted
Explanation: When SA node in the heart defects then pacemaker is implanted
Q.9.
Circulation of blood was discovered by-
- Darwin
- Harvey
- Aristotle
- Pasteur
Answer:
(b) Harvey
Q.10.
The sensation of stomach pain is due to-
- Interoreceptors
- Exteroreceptors
- Proprioreceptors
- Teloreceptors
Answer:
(a) Interoreceptors
Q.11.
Arbor vitae is mainly composed of-
- Gray Matter
- Neuroglial cells
- White matter
- All of these
Answer:
(c) White matter
Explanation: The arbor vitae /ˌɑːrbɔːr ˈvaɪtiː/ (Latin for "tree of life") is the cerebellar white matter, so called for its branched, tree-like appearance.
Explanation: The arbor vitae /ˌɑːrbɔːr ˈvaɪtiː/ (Latin for "tree of life") is the cerebellar white matter, so called for its branched, tree-like appearance.
Q.12.
Atoconium is found in-
- Perilymph
- Haemolymph
- Synovial fluid
- Otolithic membrane
Answer:
(d) Otolithic membrane
Explanation: The otolithic membrane is a fibrous structure located in the vestibular system of the inner ear. It plays a critical role in the brain's interpretation of equilibrium. Otoconia are crystals of calcium carbonate found in the otolithic membrane on the surface of maculae of the inner ear.
Explanation: The otolithic membrane is a fibrous structure located in the vestibular system of the inner ear. It plays a critical role in the brain's interpretation of equilibrium. Otoconia are crystals of calcium carbonate found in the otolithic membrane on the surface of maculae of the inner ear.
Q.13.
Eyelashes are lubricated by-
- Ceruminous glands
- Meibomian glands
- Lacrymal glands
- All of these
Answer:
(b) Meibomian glands
Explanation: Meibomian glands are the tiny oil glands that line the margin of the eyelids (the edges which touch when the eyelids are closed). Ceruminous glands are present in the outer auditory canal which produces wax. Lacrymal glands are responsible for the secretion of tears.
Explanation: Meibomian glands are the tiny oil glands that line the margin of the eyelids (the edges which touch when the eyelids are closed). Ceruminous glands are present in the outer auditory canal which produces wax. Lacrymal glands are responsible for the secretion of tears.
Q.14.
Structure connected with vision in rabbit is-
- Corpus callosum
- Corpus albicans
- Hippocampus
- Corpora quadrigeuina
Answer:
(d) Corpora quadrigeuina
Q.15.
Organs of Ruffini are receptors of-
- Cold
- Pressure
- Heat
- Touch
Answer:
(c) Heat
Q.16.
Which of the following cranial nerves of man is Both sensory or motor?
- Optic
- Vagus
- Olfactory
- Trigeminal
Answer:
(b) Vagus
Explanation: Vagus is the 10th and longest cranial nerve. It contains motor and sensory fibers and, because it passes through the neck and thorax to the abdomen, has the widest distribution in the body
Explanation: Vagus is the 10th and longest cranial nerve. It contains motor and sensory fibers and, because it passes through the neck and thorax to the abdomen, has the widest distribution in the body
Q.17.
Cardiac cycle in man takes about-
- 0.5 seconds
- 1.2 seconds
- 1.0 seconds
- 0.8 seconds
Answer:
(d) 0.8 seconds
Q.18.
RBCs are generally destroyed in the liver, while WBCs are destroyed in-
- Plasma
- Lymph
- Inside various cells of body
- Out side the blood stream
Answer:
(b) Lymph
Q.19.
The hormone responsible for urine concentration is-
- Vasopressin
- Pitocin
- Thyroxine
- Renin
Answer:
(a) Vasopressin
Q.20.
Gigantism and acromegaly result from hypersecretion of-
- ADH
- GH
- STH
- None of the above
Answer:
(b) GH
Explanation: Gigantism acromegaly results due to the hypersecretion of growth hormone.
Explanation: Gigantism acromegaly results due to the hypersecretion of growth hormone.
Q.21.
Emergency gland of blood is-
- Thymus
- testis
- Adrenal
- Pituitary
Answer:
(c) Adrenal
Explanation: Adrenal glands are called glands of emergency. These glands are located on the top of each kidney and are responsible for the secretion of adrenaline hormone in the bloodstream in emergency (flight or flight situation).
Explanation: Adrenal glands are called glands of emergency. These glands are located on the top of each kidney and are responsible for the secretion of adrenaline hormone in the bloodstream in emergency (flight or flight situation).
Q.22.
The calcium level in the blood can be increased by administration of-
- Glucagon
- Thyroxine
- Parathormone
- Clcitonin
Answer:
(c) Parathormone
Explanation: Parathormone is responsible for the increase in calcium concentration in blood while calcitonin is responsible for the decrease in the calcium concentration.
Explanation: Parathormone is responsible for the increase in calcium concentration in blood while calcitonin is responsible for the decrease in the calcium concentration.
Q.23.
Shape of an Eye is maintained by-
- Aqueous Humour
- Vitreous humour
- Conjunctiva
- All of these
Answer:
(b) Vitreous humour
Q.24.
RBCs in the mammals have no nucleus because -
- it has degenerated during development
- they do not have nucleus since early
- nucleus is harmful for RBCs
- Nucleus decrease surface area
Answer:
(d) Nucleus decrease surface area
Q.25.
Which of the following are respiratory organs of scorpions?
- Lungs
- Book-lungs
- Gills
- Ctenidia
Answer:
(b) Book-lungs
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