What do skeletal muscle tissue and cardiac muscle tissue share in common?
A) Both skeletal and cardiac muscle tissues perform peristalsis.
B) Both skeletal and cardiac muscle tissues consist of striated muscle cells.
C) Both skeletal and cardiac muscle tissues possess intercalated discs.
D) Both skeletal and cardiac muscle tissues are voluntary.
Answer: B
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The inferior bony nasal septum is formed by the ____________________.
Fill in the blank(s) with the appropriate word(s).
The lens of the eye flattens when
A. ciliary muscles contract. B. ciliary muscles relax. C. extrinsic eye muscles contract. D. extrinsic eye muscles relax. E. intrinsic muscles of the iris contract.
The process by which incoming signals are conveyed into a target cell, where they are transformed into a certain cellular response is called signal _________
Fill in the blank(s) with correct word
Upon getting his annual physical exam, a 55-year-old man is noted to have a body mass index of 33 (above 30 = obese) and high blood pressure
His blood chemistry indicates hyperlipidemia, hypertriglyceridemia, and hypercholesterolemia. Furthermore, his fasting blood glucose level is 120 mg/dL (elevated). His physician suspects type 2 diabetes and orders a glucose tolerance test. The patient drinks 75 g of glucose and then has his blood glucose measured at 2 hr. The 2-hr glucose level is 190 mg/dL (high end of glucose intolerance range; the diagnosis of diabetes is equal to or greater than 200 mg/dL). The most likely reason for this patient's glucose intolerance is: A. autoimmune destruction of the ? cells B. impairment of ATP-sensitive K+ channel C. insulin resistance D. low leptin levels E. impairment of GLUT2 function