What is a possible side effect of weakening of the cardiac sphincter?

A. Acid reflux into the esophagus
B. Uncontrollable bowel movements
C. Heart attack
D. Rapid overfilling of the stomach


Ans: A. Acid reflux into the esophagus

Anatomy & Physiology

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Wharton's jelly is a form of

A) Marfan's syndrome. B) mucous connective tissue. C) ground substance. D) collagen fiber. E) embryonic epithelium.

Anatomy & Physiology

What structure returns blood from the lungs to the heart?

A. Pulmonary trunk B. Pulmonary arteries C. Pulmonary valve D. Pulmonary veins

Anatomy & Physiology

Suzie wants to protect virgin forests from destruction. She climbs a tree to prevent loggers from cutting the oldest tree in the forest. Suzie did not eat for twelve hours until a friend, Jammie, took over the vigilance. Match the correct levels of blood glucose concentration, blood insulin concentration and relative membrane insulin receptor concentration for a skeletal muscle cell 20 hours into

Jammie's fast and one hour after Suzie had eaten a peanut butter and banana sandwich and a bowl of sweet potato soup.

Plasma Glucose: 90 mg/dl; 125 mg/dl
Plasma Insulin: 10iuU/ml (70 pmol/L); 40iuU/ml (280 pmol/L)
Relative membrane insulin receptor concentration: increasing (high); decreasing (low)

Anatomy & Physiology

Which bone marking provides a site where bones articulate or to which ligaments and tendons attach?

A) foramen B) depression C) projection D) opening

Anatomy & Physiology