What part of a feedback loop causes physiological responses to return the variable to the normal homeostatic range?

A) effector B) stimulus C) receptor (sensor) D) control center


Answer: A

Anatomy & Physiology

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Glycerol enters the citric acid cycle after enzymes in the cytosol convert it to

A) glucose. B) pyruvate. C) glycogen. D) LDL/HDL. E) cholesterol.

Anatomy & Physiology

Which substance causes an increase in the blood calcium level?

A. Calcitonin B. Growth hormone C. Parathyroid hormone D. Sex hormones E. Vitamin D

Anatomy & Physiology

The long tube that carries food to the stomach is called the:

A) ascending colon B) descending colon C) jejunum D) esophagus

Anatomy & Physiology

Which of the following is NOT an enzyme capable of destroying foreign bacteria?

A) pepsin B) fibrin C) lysozyme D) lipase

Anatomy & Physiology