When the doctor checks for your lymph nodes in your throat, she checks to see if which system is working hard:
A. Integumentary system
B. Immune system
C. Cardiovascular system
D. Digestive system
Select your answer:
Topics:
Tutor Oral Biology Asexual/Sexual Reproduction Nutrition in Humans and Animals Ecology Safety Terms Regulation of Heart Rate Knee Anatomy Pathology Endocrine Renal Replacement Therapies Life Processes - Digestion and Respiration Mouth - Stomach Integumentary System & Body Directions Life Cycle - Bee Molecular Genetics PathologyOther quiz:
Psychology Vocabulary › Viewa simulated or otherwise medically ineffectual (fake) treatment for a disease or other medical condition intended to deceive the recipient. Often given to the control group in an experiment.
A. Scatterplot
B. Placebo effect
C. Skewed distribution
D. Placebo
Microbiology › View
Many men make antibodies to sperm, resulting in destruction of sperm to the point of sterility. What would be the likely origin of this autoimmune disease?
A. Multiple
B. T helper cells erroneously identify sperm cells as foreign invaders, triggering the T cytotoxic cells to start killing sperm.
C. These antibodies are produced as a result of mutations in T lymphocytes, causing them to make large amounts of antibody.
D. Since sperm are not made until after puberty, the immune system cannot scan the antigens on the sperm for immune tolerance. After sperm are made and the immune system sees them, they are recognized as foreign.
E. Antigens on sperm cells are similar to antigens on a variety of bacteria like Streptococcus. After a strep throat caused by Streptococcus, the immune system produces antibodies to streptococcal antigens, which then cross react with sperm antigens and destroy them