What happens when a virus infects a cell?
a. A virus will only harm the cell it infects
b. A virus can alter the cell's function if it does not kill it.
c. A virus always kills the cell it infects.
d. A virus will reproduce on its own after infecting a cell. correct answers b
What is the term for a biological or physical means of transmission?
a. microbe
b. lymphocyte
c. agent
d. vector correct answers d
During which stage of the infection process is an individual highly contagious?
a. initial exposure
b. incubation period
c. recovery period
d. prodromal period correct answers d
Which type of cell is responsible for humoral immunity?
a. B lymphocytes
b. erythrocytes
c. neutrophils
d. Macrophages correct answers a
What is the term for the substances your body produces when you are immunized with a
vaccine?
a. antigen
b. antibodies
c. antibacterials
d. antitoxics correct answers b
Which of the following groups is NOT among the most vulnerable for infectious illnesses?
a. the elderly
b. alcohol abusers
c. smokers
d. Children correct answers b
Which of the following is NOT a symptom of the deadly meningitis infection?
a. drowsiness or confusion
b. nausea and vomiting
c. sore throat
d. Fever correct answers c
Which sexually transmitted infection can lead to cervical cancer?
,a. syphilis
b. nongonococcal urethritis
c. pelvic inflammatory disease
d. human papillomavirus correct answers d
What is the general term for "hardening of the arteries"?
a. arteriosclerosis
b. arteritis
c. angina
d. plaque correct answers a
What condition does an individual with a blood pressure of 166/90 have?
a. hypotension
b. hypertension
c. systolic elevation
d. peripheral vascular disease correct answers b
What two substances are the lipoproteins in the blood made from?
a. vitamins and fat
b. proteins and fat
c. carbohydrates and fat
d. cholesterol and fat correct answers b
Which of the following is an key element of a "heart healthy" diet?
a. soluble fibre
b. protein
c. saturated fatty acids
d. vitamin C correct answers a
Which statement best describes the relationship between tobacco smoking and the increase the
risk of heart disease?
a. Smoke residue damages the lining of the coronary arteries.
b. Smoking decreases blood clotting.
c. Nicotine suppresses stimulation of the heart.
d. Carbon monoxide overstimulates the heart. correct answers a
What is the term for tumours that are NOT considered life-threatening?
a. benign
b. oncogenes
c. neoplasmic
d. malignant correct answers a
What is the leading cause of cancer death for men and women?
a. lung cancer
b. skin cancer
c. colorectal cancer
, d. pancreatic cancer correct answers a
Which organ produces the hormone that assists in controlling levels of blood glucose?
a. gall bladder
b. pancreas
c. liver
d. kidneys correct answers b
What is the most common way of taking a drug?
a. intravenous injection
b. oral ingestion
c. intramuscular injection
d. inhalation correct answers b
What is the term for the dosage at which a drug becomes poisonous to the body?
a. set point
b. toxicity
c. potentiating level
d. tolerance level correct answers b
Which beverage contains the most caffeine?
a. Coca-Cola Classic
b. tea
c. Red Bull
d. coffee correct answers d
Which brain chemical is associated with addiction?
a. detoxifying enzymes
b. synthroid
c. dopamine
d. lanoxin correct answers c
Which of the following is NOT a symptom of amphetamine intoxication?
a. irritability
b. elevated blood pressure
c. feelings of anxiety
d. very slow heart rate correct answers d
Which class of drugs is cocaine a member of?
a. sedative
b. depressant
c. stimulant
d. hallucinogen correct answers c
Which brain neurotransmitter is depleted by the neurotoxic drug called ecstasy?
a. epinephrine