HESI Study Guide 2026

'Fewer' is used when referring to countable nouns, such as 'penalties,' which can be individually counted. 'Less' is used for uncountable nouns (e.g., 'less water' or 'less time'). Since penalties are discrete units, 'fewer' is the correct comparative adjective to indicate a smaller quantity.

This question assumes a standard number of buttons pressed for each long-distance phone call. If each call requires 10 button presses (e.g., '1' + area code + 7-digit number), then for 136 calls, the total number of button presses would be 136 calls * 10 buttons/call, which equals 1360 buttons.

The right side of the heart is responsible for receiving deoxygenated blood from the body and pumping it to the lungs. This specific circulatory pathway, which involves the heart sending blood to the lungs for oxygenation and then receiving it back, is known as pulmonary circulation. Systemic circulation, conversely, involves the left side of the heart pumping oxygenated blood to the rest of the body.

The word 'optic' is derived from the Greek word 'optikos,' meaning 'of or for sight.' It is consistently used in medical and anatomical contexts to refer to the eye or the sense of vision. Examples include the optic nerve, which transmits visual information, and optics, the scientific study of light and vision.

Palpate means to examine by feeling with the hands or fingers.

Prioritization is based on urgency and acuity of patient needs.