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WorksheetsHomeostasis and Disease
Total questions: 27
Worksheet time: 17mins
Antibiotics can be used to treat disease. Antibiotics kill:
Antibodies
Prions
Viruses
Bacteria
Select the correct statement about bacteria:
All bacteria are harmful
Bacterial cells are smaller than viral particles
Some bacteria produce useful products such as cheese and yoghurt
Bacterial infections do not respond to antibiotics
A virus:
Kills cells before consuming them as food
Grows on the outside of cells
Is a type of cell
Enters a cell, and reproduces inside the cell
Redness and swelling in an infected area is due to:
A large number of disease-causing microbes
More rapid blood flow to the area and increase immune cell activity
Heat produced by the invading microbes
The skin producing defence cells
The main weapon of the lymphatic system is:
White blood cells
Red blood cells
Platelets
Pus
Chemical produced by the human body to remove disease particles are called
Immunogens
Pathogens
Antimatter
Antibodies
The Third Line of Defence does not involve which of the following:
Skin
Anitbodies
T-cells
B-cells
A communicable (contagious) human disease is one that
Is infectious and is easily transmitted from person to person
Is inherited
Is caused by an environmental factor
Affects large numbers of people in a given population
Which of the following is a natural method of disease control used by the human body?
Immunisation by a vaccine containing live organisms
Action of white blood cells in the body
Producing antibiotics by body cells
Immunisation by a vaccine containing antibodies
Which of the following is symptom of a disease?
Bacteria
Blood Test
Fever
Epidemic
Which of the following statements about hormonal control is correct?
It gives rapid response to stimuli.
It only responds to external stimuli.
It is usually responsible for long-term adjustments of the body.
Its action is completely independent and does not involve the brain.
Which of the following statements concerning feedback mechanisms is correct?
Positive feedback results in the reversal of an existing condition.
Positive and negative feedback result in further change in the direction of an existing condition.
Negative feedback results in the reversal of an existing condition.
Positive feedback reinforces negative feedback.
A _____________ ______________ takes a message from receptors, to the central nervous system
(a)
A __________ ____________ takes a message from the central nervous system, to the effector muscle or tissue.
(a)
Select non-specific mechanisms of the immune system
phagocytes
b-cells
antibodies
mucus
histamine
An increase in ADH secretion causes the kidneys to reabsorb (a) water
When the solute concentration is high, water in the blood is low, the hypothalamus detects this and the pituitary gland produces more (a) .
Label part A of the neuron
Cell leg
Cell body
Dendrite
Antenna
Label part B on the diagram
Nucleus
Eye
Brain
Cell Body
Label part C of the neuron
Ganglia
Schwann Cell
Nucleus
Node of Ranvier
Label part D on the diagram
DNA
Effector tissue
Relay neuron
Receptors
The electrical impulse would travel along this specialised cell in a (a) direction (left to right, right to left)
True or false, the third line of defence is non-specific
True
False
Bacteria have:
Membrane bound organelles
Cell membrane
Mitochondria
Cell wall
Fungi are:
Eukaryotic
Prokaryotic
Plants
Viruses are considered as living cells
True
False
In the first quarter of 2014, how many cases of malaria were reported
250
68000
89000
330
