When a person develops a sore throat, white blood cells are drawn to the area of infection by a process called ________.
A. chemotaxis
B. diapedesis
C. attraction
D. ameboid movement
E. margination
Answer: A
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Most ovulation home test kits measure a surge of which hormone?
A. Progesterone B. Estradiol C. HCG D. LH E. FSH
Stroke volume is determined by:
a. the extent of venous return and by parasympathetic activity b. the extent of venous return and by sympathetic activity c. the extent of arterial return and by parasympathetic activity d. the extent of arterial return and by sympathetic activity e. blood pressure and ventricular size
Which supply the pancreas? a: Inferior mesenteric arteryb: Gastroduodenal arteryc: Gastroepiploic arteryd: Splenic arterye: Superior mesenteric artery
A. b, e B. a, d, e C. a, c, e D. b, c, e E. b, d, e
Based on the length-tension relationship,
a. stretching a skeletal muscle 30% longer than the lo results in a greater contraction b. varying the amount of overlap of thick and thin filaments does not greatly affect contraction force as long as tension remains the same c. more tension develops if a muscle is 30% shorter than its resting length d. muscle tension remains the same as long as the muscle's length is not more than ?30% of the resting length. e. a resting muscle that is shorter or longer than its lo will generate less tension at the onset of contraction.