Which of the following statements is true ? Both reactions and reflexes involve the brain
The brain is involved with reflexes but not reactions.
O There is brain involvement with both reflexes and reactions
The brain is involved with reactions but not reflexes

Which barrier to economic development is shown in the following examples? i. the high rate of hiv infection in underdeveloped nations ii. the use of children as soldiers in uganda’s army in the early 2000s iii. low literacy rates in underdeveloped nations with limited exposure to adequate education a. foreign debt b. political instability c. widespread disease d. low levels of social welfare

The body uses fight or flight as a way of defending itself from stress. question 2 options: true false

Which of the following are considered general purposes of performing pulmonary function tests (pfts)? 1. the functional status of the lungs 2. the diffusion characteristics of the alveolar-capillary membrane 3. how much and how fast gas can be moved into and out of the lungs 4. the specific diagnosis of pulmonary disease