At each junction of an A band and I band, the surface membrane dips into the muscle fiber to form a(n) ____________________

Fill in the blank(s) with correct word


transverse tubule (T tubule)

Anatomy & Physiology

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Which pressure remains negative throughout the respiratory cycle?

A) intrapulmonary B) intrapleural C) intra-alveolar D) atmospheric E) intrapulmonary and intra-alveolar

Anatomy & Physiology

The three arterial branches of the celiac trunk are the __________.

a. left gastric, splenic, and hepatic arteries b. phrenic, intercostal, and adrenolumbar arteries c. brachial, ulnar, and radial arteries d. splenic, pancreatic, and mesenteric arteries

Anatomy & Physiology

When applying a vest-type extrication device or short backboard to a seated patient, his or her head should be secured to the device:

A) after you apply a cervical collar. B) only after the torso is fastened securely. C) before you secure his or her torso. D) after he or she is moved to a long backboard.

Anatomy & Physiology

The initial site of both mechanical and chemical digestion is the

A. stomach. B. small intestine. C. esophagus. D. oral cavity. E. pharynx.

Anatomy & Physiology