Which of the following form a continuous loop; fluid flows in one direction, but ends where it started, and continues in the same loop?

A. Blood vessels
B. Lymphatic vessels
C. Both blood vessels and lymphatic vessels


Answer: A

Anatomy & Physiology

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Which of the following choices is not a basic feature of cellular communication?

A) The signal must be produced. B) The signal can be produced only by a eukaryote. C) The signal must be transported to a target cell. D) The target cell must respond to the signal.

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Which of the following is NOT a role of the basal nuclei?

A) playing a role in cognition and emotion B) controlling starting and stopping movements C) initiating protective reflex actions D) inhibiting unnecessary or antagonistic movements

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Which of the following is considered to be one of the primary digestive system hormones?

A. Bile B. Gastrin C. Hydrochloric acid D. Pancreatic amylase

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Which anatomical term is correctly matched with its description?

A. Fossa - a ridge extending along the long axis of the bone B. Spine - a low ridge C. Tuberosity - a flat, tongue-shaped process D. Meatus - a tunnel E. Condyle - a small, rounded bump

Anatomy & Physiology