An older adult presents with confusion after a minor fall. Which age-related change most likely contributes to increased risk of subdural hematoma?

A child with frequent headaches is found to have increased sensitivity to light and sound. Which type of headache is most likely?

A 40-year-old non-smoker presents with progressive dyspnea and hyperinflated lungs on imaging. A genetic test reveals an alpha-1 antitrypsin (AAT) deficiency. Which of the following best explains this patient’s condition?

A nurse is educating caregivers on signs of pathological aging. Which symptom should prompt immediate evaluation for delirium?

A nurse practitioner is reviewing a drug that blocks serotonin reuptake. What is the expected effect on synaptic transmission?

When a sodium atom with one valence electron transfers its electron to a chlorine atom with seven valence electrons to form NaCl, what type of chemical bond is created between them?

A culture of bacteria doubles in number over 24 hours. This demonstrates which characteristic of life?

Look at the image of a bacterial cells below: Estimate the size of one bacterial cell.

Despite a cold outdoor temperature, a person’s body maintains a steady internal temperature of approximately 37°C (98.6°F). Which characteristic of life is being demonstrated?

If in an experiment, two groups of plants are exposed to different amounts of a pesticide and a third group is not, what is the third group called?