Answer the following questions true (T) or false (F)
1. Any allergen can cause an anaphylactic response, but usually this dangerous scenario is caused by injected or ingested allergens such as foods, drugs, and insect venoms.
2. If the patient has an allergy to the tested allergen, then the skin develops a lesion consisting of a flattened reddened area called the wheal and a raised, inflamed area called the flare.
3. The blood type AB+ is referred to as the universal donor.
1. TRUE
2. FALSE
3. FALSE
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Hinge joints allow movement in two dimensions (flexion and extension). Which of the following is an example of a hinge joint?
A. the hip joint B. the joints between bones of the skull C. the elbow D. the shoulder joint
The sac fungi are distinguished from all other groups of fungi because their reproductive structures are ________.
A. inside an ascus B. zygospores C. motile D. borne on basidia
In which of the following vessels or chambers is blood relatively high in oxygen?
a. pulmonary artery b. right atrium c. inferior vena cava d. right ventricle e. pulmonary vein
The carrying capacity of an area is
A. the optimum number of different species that can grow and reproduce there. B. the optimum number of individuals of a species that can survive and reproduce. C. the minimum number of individuals of a species that can survive and reproduce. D. the number of individuals of a species found in an area.