Which of the following makes up the largest single component of the human body?
a) Skin
b) Water
c) Blood
d) Organs
e) Electrolytes
b
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A drug that blocks the action of the hormone cholecystokinin would affect all of the following except
A) relaxation of the hepatopancreatic sphincter. B) the composition of pancreatic secretions. C) the delivery of bile. D) digestion of lipids and proteins. E) absorption of water in the large intestines.
The patient is a 28-year-old female with insulin-dependent diabetes. She developed viral gastroenteritis with nausea and vomiting. She did not take her insulin and she became increasingly nonresponsive. Her husband called 911 and she was taken to the emergency room. Her pulse rate was 128 and her respiratory rate was 28, deep, and smelled fruity (Kussmaul breathing). Her urinary glucose and
ketone levels were both 4+. Her pH was dangerously low. Explain how the body attempted to compensate for the low serum pH. What will be an ideal response?
A whistling murmur heard between the second and first heart sound would be indicative of
a. a stenotic AV valve. b. an insufficient AV valve. c. a stenotic aortic or pulmonary semilunar valve. d. an insufficient aortic or pulmonary semilunar valve. e. no conclusions can be reached based on the information provided.
Deodorants are used to mask the effects of secretions from which type of skin gland?
A) apocrine sweat glands B) eccrine sweat glands C) merocrine sweat glands D) sebaceous glands E) mucous glands