Lymphoid System and Immune Response
Which of the following results occurs in response to an injury?
inflammation
Which of the following causes a rapid drop in blood pressure and is a life-threatening event?
anaphylaxis
What lines the nasal cavity and helps remove pathogens?
Cilia
In which condition does inflammation cause an obstruction in the tubes of the bronchial tree?
asthma
The central nervous system consists of the:
brain and spinal cord
Mucous membranes and skin are examples of which type of nonspecific body defense?
mechanical barriers
Which of these is used to rescue a person experiencing anaphylaxis?
epinephrine
What are the tiny air sacs surrounded by capillaries where gas exchange occurs?
Alveoli
Which of the following is caused by smoking or by exposure to radon, asbestos, or industrial carcinogens?
lung cancer
What are the two major parts of the autonomic division of the peripheral nervous system?
Sympathetic and parasympathetic parts
Allergies can be treated effectively by which of the following over-the-counter medications?
antihistamines
Which of the following identifies how far cancer cells have spread?
staging
What is the medical term for the opening between the vocal folds?
glottis
The disease that is commonly known as Lou Gehrig’s disease is a fatal disorder known medically as:
Amyotrophic lateral sclerosis
Certain substances can't enter the CNS due to the presence of the:
blood brain barrier.
Which of the following activated T cells is active against viruses and protects the body against cancer?
cytotoxic
What happens to the thymus as a person ages?
It decreases in size as a person ages.
What is the amount of air that remains in the lungs at all times called?
residual volume
Smokers are much more likely to develop ________ than are nonsmokers, and repeated episodes increase a person's chance of eventually developing lung cancer.
bronchitis
Radiating pain and tingling down the back of the leg is most likely the result of:
sciatica.
Which of the following secrete chemicals that produce holes in the membranes of harmful cells but do not have to recognize a specific antigen to start destroying pathogens?
natural killer (NK) cells
Masses of lymphoid tissue not surrounded by a capsule that are distributed in the connective tissue of mucosa are known as ________.
lymphoid nodules
Which of the following is caused by a virus and lasts 5–10 days?
influenza
________ is a blockage in an artery in the lungs and is frequently the result of immobility.
pulmonary embolism
Which diagnostic procedure involves removing cerebrospinal fluid from the subarachnoid space for analysis?
Lumbar puncture