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WorksheetsTEST 4 CHAPTER 12 - 13
Total questions: 40
Worksheet time: 20mins
When a person steps on a pin, the impulse will move according to the following
sequence:
A
B
C
D
Which letter represents the central nervous system?
P
Q
R
S
What are represented by X?
Afferent
pathway
Efferent
pathway
Effector
Receptor
What is the function of the axon of a sensory neuron ?
To release neurotransmitter in the synaptic cleft
To carry impulse away from the cell body
To speed up the conduction of impulse
To carry impulse towards the cell body
A man had an accident. The accident caused injury to the brain and affects his reading ability. Which part of the brain is affected ?
Cerebrum
Cerebellum
Hypothalamus
Medulla oblongata
Which one of the following is concerned with balance, locomotion and body position ?
cerebrum
cerebellum
hypothalamus
medulla oblongata
Which of the parts labelled A, B, C and D functions in controlling body balance ?
A
B
C
D
What is the function of the myelin sheath ?
to conduct impulses
to insulate the axons
to protect the cell bodies
to transmit information across synapses
What is the function of this neurone?
To produce adrenaline
To connect to another efferent neurone
To send an impulse from a receptor to the central nervous system
To send an impulse from the central nervous system to an effector
Which one of the following is a reflex centre concerned with temperature regulation ? ?
cerebrum
cerebellum
hypothalamus
medulla oblongata
What are neurone S, T and U ?
S- Affarent . T- Efferent. U - Interneurone
U- Affarent . S- Efferent. T - Interneurone
T- Affarent . U- Efferent. S - Interneurone
U- Affarent . T- Efferent. S - Interneurone
How are impulses transmitted across synapses ?
by thermal means
by chemical means
by electrical means
by mechanical means
Which of the following neurones transmits the impulse from the receptor to the central nervous system ?
Figure shows the transmission of impulses from one neurone to another neurone.
What is structure P?
Effector
Synapse
Interneurone
Axon
Which of the following is true about this reflec arc ?
The reflec arc involves two types of neurone.
The coordination centre is medulla oblongata.
Muscle X contracts while muscle Y relaxes.
The pain is felt before the hand is pulled away from the bee.
Which of the sequences show the correct pathway of transmission of impulses for these action?
Stimulus to integrating centre to receptor to response
Stimulus to receptor to integrating centre to response
Receptor to integrating centre to stimulus to response
Receptor to stimulus to integrating centre to response
The information below is about a neurological disease.
· Loss of memory and intellectual ability
· Shrinkage of brain tissues
· Lack of neurotransmitters such as acetylcholine
· Usually affects the elderly
The disease is
Parkinson’s disease
Alzheimer’s disease
Osteoporosis
Arthritis
Which of the statements are true of hormones ?
I. They act more efficiently at 32°C
II. They are carried in the blood stream
III. They are secreted by ductless glands
IV. They break down complex food substances by hydrolysis
I and II
II and III
III and IV
I and IV
Which of the following hormones is not produced by the pituitary gland?
Thyroxine
Follicle-stimulating hormone
Luteinising hormone
Thyroid-stimulating hormone
Which hormone is correctly matched to its function?
A
B
C
D
Cretinism (goitre) is cause by a lack of a type of hormone and a type of a mineral ion in the diet. What are the hormone and the mineral ion?
A
B
C
D
Which of the following hormones repairs the endometrium of the uterus after menstruation occurs ?
Oestrogen hormone
Progesterone hormone
Luteinizing hormone
Follicle stimulating hormone
Which of the following is not an effect of a hormone imbalance ?
Premenstrual syndrome (PMS)
Foetus miscarriage
Menopause
Pregnancy
Diagram below shows the changes of posture in a woman’s skeleton as she grows older due to lack of certain hormones and nutrients. What are these hormone and nutrient ?
Progesterone and ferum
Progesterone and calcium
Oestrogen and ferum
Oestrogen and calcium
Which of the following reactions occur in the child’s body ?
I. Blood glucose level increases III. Body temperataure decreases
II. Metabolic rate increases IV. Rate of heart beat increases
I and II
III and IV
I, II and IV
II, III and IV
What are hormone P and hormone Q ?
P- Thyroxine. Q- insulin
P- glucagon. Q - Thyroxine
P- Insulin. Q - glucagon
P- Adrenaline. Q - Aldosterone
The following information describes the functions of hormone K.
· Increases the metabolisme of most body cell
· Regulates growth and development of the body
What is hormone K ?
Thyroxine
Insulin
Adrenalin
Aldosterone
Which of the following is the name given to the minute tubules of which the kidney is mainly composed ?
axons
dendrons
neurones
nephrons
Which of the following act as excretory organs in man ?
I. lungs II. spleen III. kidneys IV. intestine
I and III
II and IV
I, II and III
II, III and IV
Which of the following would cause an increase in urine flow during the day ?
I. hot dry weather III. drinking a litre of water
II. cold damp weather IV. a long period of exercise
I and II
II and III
III and IV
I and IV
Ultrafiltration occurs at the Bowman’s capsule because
I The blood in the glomerulus is under high pressure
II The presence of pores in the capillary wall and the capsule wall
III The diameter of the afferent arteriole is bigger than that of the efferent arteriole
IV The filtrate contains all the components of blood plasma
I, II and III
II, III and IV
I, III and IV
I, II and IV
The chemical compound in which most nitrogenous waste is excreted from the body of a mammal is urea. From which of the following does this substance originate ?
vitamins
fatty acids
amino acids
mineral salts
Which of the following can be found in afferent arteriole but not in collecting duct ?
salts
water
glucose
protein
Which one of the following structures does ultra-filtration of the blood occur ?
Loop of Henle
Bowmans’ capsule
distal convoluted tubule
proximal convoluted tubule
Diagram below shows a graph of the changes in the glucose level in an individual’s blood over a period of two hour.
What happened at X ?
The individual started fasting
The individual ate vegetables
The individual drank a glass of grape juice
The individual was given an insulin injection
A labourer is doing vigorous work under the hot sun.
Which of the following changes would occur in the man’s body ?
A
B
C
D
An increase in the carbon dioxide concentration in the blood of a man results in
positive feedback and a fasting breathing rate
negative feedback and a fasting breathing rate
positive feedback and a slower breathing rate
negative feedback and a slower breathing rate
Which of the following is the best definition of homeostasis ?
control of temperature
control of water and ionic level
independent of external environment
maintenance of a constant internal environment
An athlete has just reached the finishing point of a 100 metre race. After the race,
which of the following shows the changes in the body temperature, sweat glands
and blood vessels?
A
B
C
D
· A boy eat a lot of salty food
Based on the statement given, which of the following will occur ?
I. The osmotic pressure of blood is low
II. Kidney tubule becomes more permeable to water
III. More ADH is secreted
IV. The urine produced is concentrated
I and II
I and III
III and IV
I, II and IV
