SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Introduction To Health Sciences Vocab
Start Test
Study First
Subject
:
health-sciences
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A measure of the refracting power of a lens. Calculated as: 1 / focal length of the lens (in metres). The unit used is dioptres (symbol D). The power of a convex lens is positive; for a concave lens it is negative.
optical power
carboxyhaemoglobin
legal blindness
pandemic
2. The layer of the eye - between retina and sclera - which absorbs any light that has not interacted with the rods and cones in the retina.
lung function test
adhesion
intensity
choroid
3. A clearly stated provisional explanation for a set of observations or data - devised for the purpose of testing its validity by the collection of additional data or by conducting an experiment.
hypothesis
fulcrum
total lung capacity
centilitre
4. Immune system cells that circulate around the body helping to protect it from infection and some other types of disease; also known as white cells.
mortality rate
bioaccumulation
leukocytes
bond
5. The total number of people who have the condition (disease - disorder or disability) at a particular point in time - regardless of how long they have been affected.
binge drinking
lymph node
prevalence
SI Units
6. Countries that provide universal education for their children - with populations that have high rates of literacy - comprehensive health services and which meet certain other development indicators - such as 100% access to safe drinking water and san
developed countries
risk factor
DNA repair protein
intensity
7. The value of a characteristic in terms of its contribution to the survival and reproductive chances of an animal.
expiration
adaptive value
spectrum
true positive
8. A technique in which a person is placed in a particular psychological state and - in response to suggestions made by the hypnotist - can experience alterations in perception - memory and voluntary action.
hypnosis
fibroblast
psychobiological approach
malignant cancer
9. An eye care professional qualified to perform eye tests and record the findings in a lens prescription.
epithelial cells
optometrist
oxyhaemoglobin
complementary colours
10. Intoxication so extreme that it leads to unconsciousness that can result in death.
arteries
macula lutea
alcoholic poisoning
presynaptic neuron
11. Two or more atoms held together by chemical bonds - e.g. hydrogen (H2) - water (H2O) - carbon dioxide (CO2).
collagen
principal focal point
developed countries
molecule
12. Rigid structures (such as bones) that can move about a fulcrum in response to forces in order to transfer force from one place to another. They can modify the size of the force and the distance of motion.
retina
levers
Schwann cells
chronic effects
13. A type of cell that is responsible for contraction in skeletal muscle tissue. They are long and thin and have many nuclei. (Also known as muscle fibre)
neurotransmitter
myofibre
aqueous humour
erythrocyte
14. A condition in which the optic nerve becomes damaged - usually because the pressure of fluid within the eye becomes too high - leading to a progressive loss of vision.
multifactorial disease
glaucoma
fatty liver
nucleus
15. A process at an interface of two media in which light is returned into the original medium without transmission or absorption.
reflection
polymer
fibroblast
anti-inflammatory
16. The separation of waste products from the blood.
accommodation
excretion
high-risk screening
chronic inflammation
17. Cells that can divide to produce daughter cells - which can then differentiate to become any of a range of different cell types.
stem cells
information processing
deoxygenated blood
phagocyte
18. Anything that is statistically associated with an increased chance of developing a particular disease - disorder or disability in a population; when the incidence of the disease is examined in different populations it is found to occur more frequentl
pupil
false positive
risk factor
alveolus
19. The light-sensitive tissue at the back of the eyeball that contains the visual receptor cells (rods and cones).
retina
selection pressure
adhesion
fovea
20. Abbreviation of a eye-surgery technique where a flap is cut in the cornea and laser treatment applied beneath.
diffusion
bioaccumulation
granulation tissue
LASIK
21. An agent - such as a chemical - ultraviolet light - or a radioactive substance that can induce - or increase the frequency of - mutations in DNA.
antagonist
blood pressure
mutagen
false negative
22. Abnormally high acidity (excess hydrogen ion concentration) of the blood and other body tissues.
equivalent dose
acidosis
spirogram
epidermis
23. A form of plasticity within the connections between the neurons that underlie nociception and pain - such that - over time - increasing levels of pain are experienced even though the stimulus remains unchanged.
wind-up
calcium ions
pulse oximetry
alcoholic poisoning
24. The problem of trying to explain how the subjective feelings of consciousness arise from the physical matter of the brain.
electron
binge drinking
neurogenic pain
hard problem of consciousness
25. An estimate of the probability of developing a particular disease or disorder in a population that has been exposed to a particular risk factor - relative to the probability of developing the condition if the risk factor was not present.
relative risk
low vision
absorbed dose
endothelial cells
26. Often abbreviated to 'risk factors'; anything that is statistically associated with an increased chance of developing a particular disease - disorder or disability in a population; when the incidence of the disease is examined in different population
atmospheric pressure
atom
inhibitory synapse
disease risk factors
27. Screening that takes place haphazardly when an opportunity arises - for example - when a patient consults a doctor about something unrelated and is referred for a screening test.
sensory neuron
population age-structures
opportunistic screening
developed countries
28. An experience Which is accessible only to the person who experiences it in terms of the contents of his or her conscious mind. Such experience is not open to objective observation or measurement by any other individual and hence is contrasted with 'o
conjunctivitis
subjective experience
total lung capacity
SI Units
29. A lens shape with a greater thickness at the centre than at each end.
polymer
pain matrix
spirometer
convex
30. Radiation which can cause ionisation. From the electromagnetic spectrum this includes gamma rays - X-rays and some high-energy ultraviolet radiation.
mind
ionising radiation
myofibrils
presbyopia
31. A system of glands (also known as ductless glands) - each of which secretes one or more hormones directly into the bloodstream. (CS 1 - 2 & 3)
vasopressin
endocrine system
high-risk screening
scar
32. The unit of absorbed dose of ionising radiation; 1 Gy = 1 joule per kilogram of tissue.
period
ophthalmologist
grays
pain
33. A medically qualified person who has chosen to specialise in clinical radiology - the use of imaging to diagnose - treat and monitor various disease processes.
neurogenic pain
stem cells
radiologist
chronic bronchitis
34. Particulates suspended in air that are less than 10 micrometres in diameter.
trichromacy
PM10
proteinase
chronic inflammation
35. A collection of different brain regions that is activated in response to painful stimuli and is associated with the experience of pain.
pain matrix
powers of ten
opioid
electron
36. A small - thin-walled - air sac in the lungs surrounded by a network of blood capillaries where the exchange of oxygen and carbon dioxide takes place between the lungs and the blood.
chemical bond
alveolus
lock-and-key interaction
amygdale
37. A chemical that reduces microbial contamination of water - surfaces - etc.
referred pain
classical conditioning
transcutaneous electrical nerve stimulation
disinfectant
38. Substances in which an interaction or reaction occurs - or in which an event takes place - or chemicals or objects are transported or supported - e.g. a medium through which a wave is transmitted in the refraction of light.
convex
wet AMD
media
age-related macular degeneration
39. A scale from 0 to 14 describing the acidity or alkalinity of a solution - where 7 is neutral - greater than 7 is more basic (alkaline) and less than 7 is more acidic.
pH scale
craving
proportional mortality
immunodeficiency
40. A type of chemical bond formed between a partial positive charge on a hydrogen atom and a partial negative charge on another atom. In more detail - the bond is formed by the electrical attraction occurring between the partial positive charge remainin
complementary colours
toxicology
hydrogen bond
neuron
41. Pain that lasts for months or years and which typically persists beyond the time of tissue healing.
negative predictive value
proxy measure
point-of-use' strategy
chronic pain
42. The process by which collagen is produced by fibroblasts following tissue damage - often resulting in scar formation.
element
endocrine disruptors
solvent
fibrosis
43. A covalent bond formed by the sharing of four electrons - two from each atom at either end of the bond.
double bond
low vision
bone marrow
incidence
44. The pressure exerted by blood pressing on the walls of the arteries. This is frequently expressed as two numbers - systolic (higher pressure during heart contraction) and diastolic (lower pressure between heart contractions) - measured in mmHg.
stochastic
blood pressure
developing countries
axon terminal
45. A synapse at which the release of neurotransmitter from a presynaptic neuron has an excitatory effect on a postsynaptic cell - e.g. it excites further action potentials in a second cell.
excitatory synapse
addiction
screening
neutron
46. Positively charged particles found in the nucleus of atoms. In a neutral atom the number of these balances the number of negatively charged electrons surrounding the nucleus.
age-related macular degeneration
bacteria
protons
malignant cancer
47. A substance (usually liquid) in which other substances dissolve.
period
solvent
gate theory
myofibre
48. A protective reaction of body tissues to irritation - injury - or infection - characterised by pain - heat - redness and swelling.
nephrons
cones
pain matrix
inflammation
49. A cancer that has the ability to spread or metastasise into healthy tissue. (Also called 'invasive' cancer)
epinephrine
endocrine disruptors
malignant cancer
fibrosis
50. The effects of ionising radiation are said to be this if there is a threshold below which there is no effect - and if above that threshold - the severity depends on the amount of radiation received.
subjective experience
trachea
deterministic
deoxyribonucleic acid