What chemical assists in the formation of the bicarbonate ions from carbon dioxide and water?
A. Carbonic anhydrase
B. Oxygen
C. Hydrochloric acid
D. Carbaminohemoglobin
Answer: A
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Ms. Young feels deep pressure during a tooth extraction. Which type of sensory receptor detects this sensation?
A) free nerve ending B) Golgi tendon organ C) Meissner's corpuscle D) proprioceptor E) lamellar corpuscle
Because of their short lifespan, a huge number of erythrocytes are recycled by macrophages. Which of the following is NOT a function of the macrophage?
A.) The macrophage phagocytizes hemoglobin from the bloodstream. B.) The macrophage synthesizes a small amount of hemoglobin and transports it to the bone marrow. C.) The macrophage phagocytizes deteriorating and fragmented erythrocytes. D.) The macrophage extracts iron from the heme portion of hemoglobin. E.) The macrophage dismantles the globin portion of hemoglobin into individual amino acids.
Inflammation of the membrane surrounding the brain and spinal cord is termed:
A) myelitis B) duritis C) arachnitis D) encephalitis E) meningitis
Which statement best describes a major different between sheep lungs and human lungs?
A) Sheep lungs have more hyaline cartilage than human lungs. B) Sheep lungs have more lobes than human lungs. C) Sheep lungs are divided into right, left, and intermediate lungs. D) Sheep lungs do not have separate right and left pulmonary arteries.