HESI Pathophysiology questions and answers. Latest 2023

An initial disturbance in a system sets off a chain of events that does not favor stability and often abruptly displaces a system from its steady state: What is that? - positive feedback What organ shrinks with age? - gums Which of the following is true? a. An infant will have a slower heart rate than an adult b. The elderly has better temperature sensations c. There are more sweat glands in an elderly person d. There is less thirst perception in the elderly - d. There is less thirst perception in the elderly Which of the following in true? a. Women snore more than men b. Men have higher calcium levels c. Women have a lower hemoglobin than men d. men have a lower creatinine level than women - c. Women have a lower hemoglobin than men An increase in normal adaptive response to the decreased availability of oxygen at high altitude is termed which? a. Circadian b. Acclimatization c. Population d. Diurnal - b. Acclimatization What does it mean when the cause of disease is unwanted medical treatment? a. Idiopathic b. Ecogenetic c. Genotypical d. Iatrogenic - d. Iatrogenic Which term is used for the first two months of life? a. Infancy b. Childhood c. Prenatal d. Neonatal - d. Neonatal What is an objectively identifiable aberration of the disease? a. Symptom b. Syndrome c. Stage d. Sign - d. Sign Which of the following is true regarding catecholamines? a. They are from the parasympathetic nervous system b. They cross the blood brain barrier c. They include epinephrine and norepinephrine d. They cause of decrease in heart rate - They include epinephrine and norepinephrine Which of the following is a true statement? a. Antidiuretic is not important for blood volume regulation b. Endorphins increase with stress, resulting in a decrease in pain perception c. Epinephrine and cortisol act very differently d. Cortisol negates epinephrine's activity - b. Endorphins increase with stress, resulting in a decrease in pain perception