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Pathophysiology HESI Questions And Correct Detailed Answers (Verified Answers) Already Graded A+
- Which of the following is a true statement?
- Antidiuretic hormone is not important for blood volume regulation
- Endorphins increase with stress, resulting in a decrease in pain perception
- Epinephrine and cortisol act very differently
- Cortisol negates epinephrine's activity
- Which of the following is true regarding catecholamines?
- They are from the parasympathetic nervous system
- They cross the blood brain barrier
- They include epinephrine and norepinephrine
- They cause of decrease in heart rate
Correct Answer: b. Endorphins increase with stress, resulting in a decrease in pain perception
Correct Answer: c. They include epinephrine and norepinephrine
- Which is an objectively identifiable aberration of the disease?
- Symptom
- Syndrome
- Stage
- Sign
Correct Answer: d. Sign
- Which term is used for the first two months of life?
- Infancy
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- Childhood
- Prenatal
- Neonatal
Correct Answer: d. Neonatal
- What does it mean when the cause of the disease is unwanted medical treatment?
- Idiopathic
- Ecogenetic
- Genotypical
- Iatrogenic
Correct Answer: d. Iatrogenic
- An increase in normal adaptive response to the decreased availability of oxygen at
- Circadian
- Acclimatization
- Population
- Diurnal
high altitude is termed which?
Correct Answer: b. Acclimatization
- Which of the following is true?
- Women snore more than men
- Men have higher calcium levels
- Women have a lower hemoglobin than men
- Men have a lower creatinine level than women
Correct Answer: c. Women have a lower hemoglobin than men
- Which of the following is true?
- An infant will have a slower heart rate than an adult
- The elderly have better temperature sensations
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- There are more sweat glands in an elderly person
- There is less thirst perception in the elderly
Correct Answer: d. There is less thirst perception in the elderly
- What organ shrinks with age?
- Prostate
- Gums
- Heart
- All of the above
Correct Answer: b. Gums
- An initial disturbance in a system sets off a chain of events that does not favor
- Positive Feedback
- Negative Feedback
- Disease
- Homeostasis
stability and often abruptly displaces a system from its steady state: what is that?
Correct Answer: a. Positive Feedback
- By what mechanism do lipid molecules cross cell membranes?
- They use channel proteins as a membrane transport system
- They are transported across the plasma membrane by endocytosis and exocytosis
- They use voltage-gated ion channels
- They cross by diffusion
Correct Answer: d. They cross by diffusion
- Which of the following metabolic processes is a component of anabolic
- Protein synthesis
- Glycolysis
- Citric acid cycle
metabolism?
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- Oxidative phosphorylation
Correct Answer: a. Protein synthesis
- Which of the following electrochemical mechanism is responsible for maintaining
- The calcium pump
- Glucose transporters
- The sodium-potassium pump
- ATP-binding cassette (ABC) transporters
cell volume?
Correct Answer: c. The sodium-potassium pump
14. Cellular hypoxia results in:
- Enhanced ATP activity
- Loss of intracellular calcium
- Increased pH
- Failure of the sodium-potassium pump
Correct Answer: d. Failure of the sodium-potassium pump
- A 75 yo woman develops weakness in her lower extremities after a prolonged
period of bed rest. This is most likely caused by:
- Atrophy of her leg muscles
- Dysplasia of her leg muscles
- Hypertrophy of her leg muscles
- Hyperplasia of her leg muscles
Correct Answer: a. Atrophy of her leg muscles
- Which of the following types of cellular adaption is most likely to occur from
- Hypertrophy
- Metaplasia
- Atrophy
chronic ischemia?
