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Human Physiology

Total questions: 100

Worksheet time: 50mins

Name
Class
Date
1.

Pacemaker is

a)

Instrument for measuring heart beat

b)

Instrument for measuring pulse rate

c)

Auriculo-ventricular node that provides impulse for heart beat

d)

Sinu-aurical node that provides impulse for heart beat

2.

Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body.

a)

a) Neutrophils

b)

b) Thrombocytes

c)

c) Erythrocytes

d)

d) Leucocytes

3.

Person with blood group AB is considered as universal recipient because he has:

a)

a) no antigen on RBC and no antibody in the plasma.

b)

b) both A and B antigens in the plasma but no antibodies.


.

c)

c) both A and B antigens on RBC but no antibodies in the plasma.

d)

d) both A and B antibodies in the plasma

4.

How does the lymphatic system help maintain homeostasis?

a)

It returns lost fluids to the circulatory system to maintain blood volume and pressure

b)

It pumps blood throughout the body

c)

It aids in gas exchange with the lungs

d)

In moves the skeletal muscles

5.

In which of the following situation there is risk of erythroblastosis foetalis ?

a)

Mother Rh+, father Rh+

b)

Mother Rh-, father Rh-

c)

Mother Rh-, father Rh+

d)

Mother Rh+, father Rh-

6.
Which excretory organ eliminates water and some chemical wastes in perspiration?
a)
lungs
b)
skin
c)
liver
d)
kidneys
7.

Which among the following is correct during each cardiac cycle?

a)

(a) The volume of blood pumped out by the Rt and Lt ventricles is same.

b)

(b) The volume of blood pumped out by the Rt and Lt ventricles is different

c)

(c) The volume of blood received by each atrium is different

d)

(d) The volume of blood received by the aorta and pulmonary artery is different

8.

ECG depicts the depolarisation and repolarisation processes during the cardiac cycle. In the ECG of a normal healthy individual one of the following waves is not represented.

a)

(a) Depolarisation of atria

b)

(b) Repolarisation of atria

c)

(c) Depolarisation of ventricles

d)

(d) Repolarisation of ventricles

9.

What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?

a)

(a) 50 beats per minute

b)

(b) 75 beats per minute

c)

(c) 100 beats per minute

d)

(d) 125 beats per minute

10.

Maximum lobed nucleus is found in

a)

Neutrophil

b)

Basophil

c)

Monocyte

d)

Eosinophil

11.

All of the following favour the dissociation of oxyhaemoglobin to deliver O2 to tissues except –

a)

PO2 = ↑\uparrow

b)

PCO2 = ↑\uparrow or H+ = ↑\uparrow

c)

Temperature = ↑\uparrow

d)

PO2 = ↕\updownarrow

12.

The graph shows an oxygen dissociation curve for haemoglobin –

Where in the body will haemoglobin be saturated at the percentages shown at points 1, 2, and 3 on the graph?

a)

Left ventricle 1 Pulmonary vein 2 Vena cava 3

b)

Left ventricle 2 Pulmonary vein 1 Vena cava 3

c)

Left ventricle 2 Pulmonary vein 3 Vena cava 1

d)

Left ventricle 3 Pulmonary vein 2 Vena cava 1

13.

Pneumotaxic centre is present in –

a)

Pons

b)

Medulla oblongata

c)

Cerebrum

d)

Cerebellum

14.

The breathing centre initiates ventilation in response to –

a)

A decrease in air pressure

b)

A decrease in O2

c)

An increase in CO2

d)

The rate of gas exchange in the alveoli

15.

The partial pressure of oxygen and the partial pressure of carbon dioxide is respectively identical in

a)

Alveoli and deoxygenated blood

b)

Tissues and deoxygenated blood

c)

Oxygenated blood and tissues

d)

Tissues and oxygenated blood

16.

Treachea divides into two right and left primary bronchi at the level of.....?

a)

7th cervial vartebrae

b)

3rd thoracic vertebrae

c)

5th thoracic vertebrae

d)

7th thoracic vertebrae

17.

Reduction in PH of blood wil........?

a)

reduce the blood supply to the brain

b)

decrease the affinity of hemoglobin with oxygen

c)

release bicarbonate ions by the liver

d)

reduce the rate of heart beat

18.

Two friends are eating together on a dining table. One of them suddenly starts coughing while swallowing some food. This coughing would have been due to improper movement of

a)

Tongue

b)

Epiglottis

c)

Diaphragm

d)

Neck

19.

how frog breathe in the water?

a)

spiracle

b)

lungs

c)

moist skin

d)

gills

20.

Functional residual capacity can be represented as

a)

TV + ERV

b)

ERV + RV

c)

RV + IRV

d)

ERV + TV + IRV

21.

Which of the following diseases is / are occupational respiratory disorder?

a)

Silicosis, Fibrosis and asbestosis

b)

Emphysema and mountain sickness

c)

Asthma and Emphysema

d)

Asthma and Hepatitis

22.

It is known that exposure to carbon monoxide is harmful to animal because

a)

it reduces CO2 transport

b)

it reduces O2 transport

c)

it increases CO2 transport

d)

it increases O2 transport

23.

Which one of the following is NOT correct?(a) The nasal cavity warms and humidifies the air before it enters the lungs(b) The right lung is composed of three lobes, but the left lung has only two lobes(c) Lung volumes and vital capacity measure lung function.(d) The visceral pleura is in direct contact with the chest wall.

a)

a) The nasal cavity warms and humidifies the air before it enters the lungs

b)

b) The right lung is composed of three lobes, but the left lung has only two lobes

c)

c) Lung volumes and vital capacity measure lung function.

d)

d) The visceral pleura is in direct contact with the chest wall

24.
Damage to the cerebellum would most affect the career of
a)
an architect
b)
a teacher
c)
an athlete
d)
a librarian
25.

The innermost layer of meninges that supplies blood vessels to the brain

a)

CSF

b)

dura mater

c)

arachnoid mater

d)

pia mater

26.

The nutrients that provide the highest amount of energy are

a)

Fats

b)

Carbohydrates

c)

Minerals

d)

Proteins

27.

The stomach wall produces mucus to cover its surface. Which of the following statements correctly describe(s) the function of the mucus?

(1) It kills the bacteria in the ingested food.

(2) It prevents the rubbing of food against the stomach wall.

(3) It protects the stomach wall from the action of the digestive enzymes.

a)

(1) only

b)

(3) only

c)

(1) and (2) only

d)

(2) and (3) only

28.

The liver is said to be a digestive gland because it

a)

converts stored glycogen into glucose

b)

breaks down excess amino acids

c)

produces bile

d)

stores iron

29.

Which structure(s) will produce the enzyme(s) needed for the digestion of egg white?

a)

X only

b)

X and Y only

c)

Y and Z only

d)

X, Y and Z

30.

Protein digestion takes place

a)

in the mouth

b)

in the stomach

c)

in the stomach and duodenum

d)

all of the above

31.

The diagram shows the structure of a villus in the small intestine. The arrows show the direction of the flow of fluids. Where will fatty acids and glycerol be present in the largest amount?

a)

A

b)

B

c)

C

d)

D

32.

Lactase converts Lactose to Glucose + ____________________

a)

Fructose

b)

Glucose

c)

Galactose

d)

Maltose

33.

Which of the following includes a chemical change?

a)

peristalsis

b)

chewing

c)

saliva

d)

large intestine

34.

The hypothalThe hypothalamus is connected to the anterior lobe of pituitary by

a)

Hypophyseal portal veins

b)

Hypophyseal portal arteries

c)

Renal portal arteries

d)

Hepatic portal veins

35.

FSH in males stimulates

a)

Oogenesis

b)

Spermatogenesis

c)

Secretion of LH

d)

Secretion of testosterone

36.

Thyroxine has an important role in regulating

a)

Blood calcium level

b)

Basal metabolic rate

c)

Water and electrolyte balance

d)

Both (b) and (c)

37.

Somatostatin inhibits the release of

a)

Thyroid hormone

b)

Calcitonin

c)

Growth hormone

d)

Parathormone

38.

Which of the following statements is incorrect?

a)

Pars intermedia atrophies during foetal development

b)

Pituitary gland is lodged in sella turcica

c)

Neurohypophysis synthesizes two hormones

d)

Herring bodies are present in neurohypophysis

39.

Pituitary gland is lodged in a bony cavity of which skull bone?

a)

Temporal

b)

Occipital

c)

Sphenoid

d)

Parietal

40.

the α\alpha  cells of the islet of Langerhans secrete...........hormone

a)

insulin

b)

glucagon

c)

estrogen

d)

progesterone

41.

which of the following disease is not a hereditary disease ?

a)

cretinism

b)

hemophilia

c)

cystic fibrosis

d)

thalassemia

42.

Hormone are ----chemicals which acts as --- Messenger

a)

Nutrient &intercellular

b)

Non -nutrient &intracellular

c)

Non nutrient &interCellular

d)

None of these

43.

What is the name of the neurotransmitter that parasympathetic neurones secrete?

a)

Acetyl Chloride

b)

Acetyl CoA

c)

Acetylcholine

d)

Noradrenaline

44.

Neurons are excitable cells because their membranes are in a –

a)

Depolarised state

b)

Polarized state

c)

Repolarized state

d)

None of the above is correct

45.

What generally maintains the electrical charge across the neuronal membrane?

a)

Na+ - K+ pump

b)

Action potential

c)

resting potential

d)

Voltage - gated channels

46.

When a neuron is not conducting any impulse i.e. resting, the axonal membrane is –

a)

Comparatively more permeable to K+ and impermeable (nearly impermeable) to Na+

b)

Impermeable to negatively charged proteins present in the axoplasm

c)

Both a and b

d)

More permeable to Na+ ions than K+ ion.

47.

Mark the correct statement

a)

Limbic system is involved in emotional expression

b)

Cerebral aqueduct passes through mid brain

c)

The meninx in contact of brain tissue is pia mater

d)

All of these

48.

Human body temperature is regulated by the centre located in

a)

Cerebrum

b)

Cerebellum

c)

Medulla

d)

Hypothalamus

49.

Highly vascular and closely investing protective coat around brain is known as

a)

Arachnoid

b)

Pia mater

c)

Dura mater

d)

Sub-arachnoid space

50.

Which one of the following is not a refractive medium of the eye?

a)

Lens

b)

Vitreous humour

c)

Aqueous humour

d)

Pupil

51.

Five events in the transmission of nerve impulse across the synapse –
A. Opening of specific ion channels allows the entry of ions, a new action potential is generated in the post-synaptic neuron.
B. Neurotransmitter binds to the receptor on post synaptic membrane
C. Synaptic vesicle fuses with pre-synaptic membrane, neurotransmitter releases into synaptic cleft.
D. Depolarization of pre-synaptic membrane
E. Arrival of action potential at axon terminal.
In which sequence do these events occur?

a)

E→D→C→B→AE\rightarrow D\rightarrow C\rightarrow B\rightarrow A  

b)

A→B→C→D→EA\rightarrow B\rightarrow C\rightarrow D\rightarrow E  

c)

A→B→D→C→EA\rightarrow B\rightarrow D\rightarrow C\rightarrow E  

d)

E→D→C→A→BE\rightarrow D\rightarrow C\rightarrow A\rightarrow B  

52.

Myelinated fibres of the tract forms –

a)

White matter

b)

Grey matter

c)

White and grey matter

d)

Red matter

53.

External ear consists of

a)

Pinna, auditory canal and ear drum

b)

Eustachian tube and oval window

c)

Vestibule, semicircular canals and cochlea

d)

Malleus, incus and stapes

54.
Which part of the ear is responsible for capturing sound and moving it into your ear? 
a)
outer ear
b)
middle ear
c)
inner ear
d)
eardrum
55.

Streaming of cytoplasm/ cyclosis is seen in -

a)

Amoeba

b)

Macrophages

c)

Leucocytes

d)

All of these

56.

The source of Ca 2+ for the muscle is

a)

T - tubule

b)

Sarcosome

c)

Sarcolemma

d)

Sarcoplasmic reticulum

57.

Acetabulum occurs in -

a)

Cranium

b)

Pectoral girdle

c)

Pelvic girdle

d)

Vertebrae

58.

The cross bridges of the sacromere in the skeletal muscle are made up of -

a)

Actin

b)

Myosin

c)

Troponin

d)

Myelin

59.

Which is the smallest one?

(a) (b) (c) (d)

a)

Muscle fibre

b)

Myofibril

c)

Actin

d)

Sarcomere

60.

Match Column I with Column II –

a)

A - I, B - II, C - III, D - IV

b)

A - I, B - III, C - II, D - IV

c)

A - I, B - IV, C - III, D - II

d)

A - III, B - IV, C - II, D - I

61.

I. Paramecium employs cilia for pushing food in cytopharynx and in locomotion

II. Hydra takes help of tentacles for both food capturing and locomotion

III. All locomotions are movements and vice-versa

IV. Methods of locomotion vary with habitats and the demands of situation

V. Ciliated epithelium is found in respiratory tract, renal tubules and reproductive tracts

Which of the above statements is false?

a)

I and III

b)

III

c)

III and V

d)

IV and V

62.

Which of the following statements is false?

a)

Locomotion and many other movements required coordinated muscular activities

b)

Muscle is a specialised tissues of endodermal in origin

c)

There are about 639 muscles which contribute about 40 - 50 % of adult body wall

d)

Muscles show contractibility, excitability and conductivity

63.

Dark bands are

a)

A - band

b)

B - band

c)

I - band

d)

Z - line

64.

Skeletal muscles are controlled by

a)

sympathetic nerves

b)

parasympathetic nerves

c)

autonomic nerves

d)

somatic nerves

65.

Cells of the human body exhibits how many main types of movements ?

a)

(1) Two

b)

(2) Three

c)

(3) Four

d)

(4) Six

66.

Which muscle band remains unchanged during the contraction and relaxation of the skeletal muscle ?

a)

I

b)

H

c)

A

d)

E

67.

Glenoid cavity articulates

a)

clavicle with acromion

b)

scapula with acromion

c)

clavicle with scapula

d)

humerus with scapula

68.
Amino acid molecules are removed from an epithelial cell in the small intestine by:
a)
facilitated diffusion
b)
active transport
c)
a combination of facilitated diffusion and active transport
d)
some other process
69.

The emulsification of fat is carried out by

a)

bile

b)

lipase

c)

pepsin

d)

bicarbonate ions

70.

Bread that has been partially digested by saliva tends to have a sweet taste. Which enzyme and substrate are involved?

a)

Pepsin and starch

b)

Pepsin and protein

c)

Amylase and starch

d)

Amylase and protein

71.

___are regulatory proteins that cover the myosin binding site on the actin.

a)

troponin-tropomyosin

b)

sarcomere

c)

sarcolemma

d)

sarcoplasmic reticulum

72.

___gets shorter during contraction.

a)

actin

b)

myosin

c)

troponin-tropomyosin

d)

none of these

73.

___provides energy for muscle contraction and relaxation.

a)

cAMP

b)

ADP

c)

ATP

d)

M line

74.

Changes in blood volume and concentration are detected in the brain cells in the:

a)

Posterior Pituitary Gland

b)

Anterior Pituitary Gland

c)

Thalamus

d)

Hypothalamus

75.

If you are dehydrated (low water potential in the blood), the body must conserve water. To do so, the brain triggers the pituitary gland to ...

a)

release MORE ADH, making the collecting duct MORE permeable

b)

release LESS ADH, making the collecting duct LESS permeable

c)

release MORE ADH, making the collecting duct LESS permeable

d)

release LESS ADH, making the collecting duct MORE permeable

76.

Anti-diuretic hormone (ADH) affects the permeability of which section of the nephron tubules

a)

Proximal (first) convoluted/coiled tubual

b)

Loop of Henle

c)

Bowman's capsule

d)

Collecting duct

77.

The hormones secreted by endocrine glands are released into the

a)

Bile

b)

Venous blood

c)

Saliva

d)

Mucus

78.

Which of the following statements is incorrect?

a)

Hormones are required in small quantities

b)

Hormones are released directly into the blood

c)

Hormones are highly specific in their function.

d)

Hormones provide energy or building materials

79.

Which of the following hormones control the homeostasis of glucose?

a)

Aldosterone and insulin

b)

Insulin and glucagon

c)

Thymosin and relaxin

d)

Insulin and glycogen

80.

Which of the following statements is incorrect?

a)

Insulin increases cellular uptake of glucose

b)

Insulin decreases fat synthesis

c)

Insulin increases synthesis of proteins

d)

Insulin promotes glycogenesis in liver

81.

Diabetes mellitus occurs due to hyposecretetion of

a)

Insulin

b)

Glucagon

c)

Thyroxine

d)

Adrenaline

82.

Which of the following hormone works from outside the cell?

a)

Estrogen

b)

Cortisol

c)

Insulin

d)

Thyroxine

83.

Which of the following does not secrete any hormone?

a)

Spleen

b)

Ovary

c)

Testes

d)

Pancreas

84.

The posterior pituitary gland is not a 'true' endocrine gland because :- …[NEET 2016]

a)

a) It is under the regulation of hypothalamus

b)

b) It secretes enzymes

c)

c) It is provided with a duct

d)

d) It only stores and releases hormones

85.

Which of the following stimulates adrenal gland in an emergency ?

a)

Adrenal medulla

b)

CNS

c)

PNS

d)

Mid-brain

86.

Chemically the hormones are

a)

Steroids only

b)

Proteins, steroids and biogenic amines

c)

Proteins only

d)

Biogenic amines only

87.

How does the body respond to low levels of glucose in the blood?

a)

The pancreas releases insulin which raises levels of glucose in the blood.

b)

The pancreas releases glucagon which stimulates the release of glucose from liver and muscle cells.

c)

The pituitary gland stimulates the pancreas and insulin is released.

d)

Liver and muscle cells remove glucose from the blood.

88.

The development and maturation of T-lymphocytes occur in

a)

Thymus

b)

Thyroid gland

c)

Adrenal gland

d)

Parathyroid gland

89.

Which of the following is a mineralocorticoid?

a)

Cortisol

b)

Epinephrine

c)

Noradrenaline

d)

Aldosterone

90.

Which is the outermost layer of adrenal cortex?

a)

Zona reticularis

b)

Zona fasciculata

c)

Zona glomerulosa

d)

None of these

91.
Lactose intolerance is a condition of the digestive system in which an individual has an inability to digest lactose, the sugar found in milk.
An individual affected with lactose intolerance does not produce enough of the enzyme lactase, which is needed to break down lactose. If more adults than children are diagnosed with lactose intolerance, what does this most likely suggest?
a)
A) The production of lactase decreases over time
b)
B) The digestion of food breaks down lactase
c)
C) Lactose intolerance is an allergic reaction.
d)
D)Lactose intolerance is contagious. 
92.
The difference between intrapleural and intrapulmonary pressures allows
a)
the lungs to stay lubricated
b)
the lungs to collapse
c)
the lungs to breathe
d)
the lungs to stay inflated
93.

Which of the following is a function of saliva?

a)

Helps form a food bolus

b)

Mechanically digests food

c)

Mastication

d)

Absorbs nutrients

94.
a)

Both A and R correct and R is correct explanation of A

b)

Both A and R correct but R is not the correct explanation of A

c)

A is true R is false

d)

A is false R is true

e)

Both A and R are false

95.
a)

Both A and R correct and R is correct explanation of A

b)

Both A and R correct but r is not the correct explanation of A

c)

A is true R is false

d)

A is false R is true

e)

Both A and R are false

96.
a)

Both A and R correct and R is correct explanation of A

b)

Both A and R correct but R is not the correct explanation of A

c)

A is true R is false

d)

A is false R is true

e)

Both A and R are false

97.
a)

both assertion and reason are true and reason is correct explaination of assertion

b)

both assertion and reason are true and reason is not correct explaination of assertion

c)

assertion ios true but reason is false

d)

both assertion asnd reason are false

98.
a)

both assertion and reason are true and reason are correct explaionation of assertion

b)

both assertion and reason are true and reason are not correct explaination of asserion

c)

assertion is true but reason is false

d)

both assertion and reason are false

99.
a)

both assertion and reason are correct and reason are correct explaination of assertion

b)

both assertion and reason are true but reason is not correct explaination of assertion

c)

assertion is true but reason is false

d)

both assertion and reason are false

100.

1. In which order do these events occur in human nutrition?

a)

(a) Digestion " ingestion " absorption " assimilation

b)

(a) Digestion " ingestion " assimilation " absorption

c)

(a) Ingestion " digestion " absorption " assimilation

d)

(a) Ingestion " digestion " assimilation " absorption

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