Which of the following causes men to have a lower sperm count, reduced sperm motility, and increased abnormalities in sperm shape and function?
A) caffeine
B) tobacco
C) alcohol
D) physical activity
Answer: B
Health & Biomechanics
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Which of the following statements regarding lymph nodes is FALSE?
A) They house lymphocytes and antibodies. B) They remove pathogens and cell debris from lymph. C) Lymph nodes are found only in a certain few areas of the body, like the neck. D) They trap and destroy cancerous cells.
Health & Biomechanics
The prefix infra- means "between."
Indicate whether the statement is true or false
Health & Biomechanics
Cancer develops from a single cell that goes awry.
Answer the following statement true (T) or false (F)
Health & Biomechanics
All of the following must happen for a disease to occur EXCEPT
A) the host must be susceptible. B) an agent must transmit a disease. C) the environment must promote it. D) the host must never have had the disease before.
Health & Biomechanics