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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The long tube that carries food to the stomach is called the:
A) ascending colon B) descending colon C) jejunum D) esophagus
Anatomy & Physiology
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
Which of the following is NOT an enzyme capable of destroying foreign bacteria?
A) pepsin B) fibrin C) lysozyme D) lipase
Anatomy & Physiology