Which of the following is unique to neurons?
A) Mitochondrion B) Lysosome
C) Golgi apparatus D) Chromatophilic substance
D
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An erection of the penis is caused by
A. semen pressure from the testes and ductus deferens. B. muscle flexion of the penile muscles. C. increased secretions of lymph into the spongy tissue. D. blood filling the erectile bodies and compressing the veins. E. ejaculatory muscles.
Different forms of the same element with different numbers of neutrons are called
A. compounds. B. lattices. C. isotopes. D. molecules.
Contrast the descriptions used by clinicians and anatomists when referring to the positions of injuries or internal organs of the abdomen and pelvis
A) Clinicians base their descriptions on a person lying in a prone position, whereas anatomists use a person lying in a supine position. B) Clinicians base their descriptions on a person lying in a supine position, whereas anatomist use a person lying in a prone position. C) Clinicians base their descriptions on four abdominopelvic quadrants, whereas anatomists use nine abdominopelvic regions. D) Clinicians base their descriptions on nine abdominopelvic regions, whereas anatomists use four abdominopelvic quadrants. E) Clinicians base their descriptions on superficial anatomical terms, whereas anatomists use regional anatomical terms.
A 35-year-old man suffers sharp abdominal pain accompanied by hematemesis (vomiting of blood) for 2 days. He dies without seeking medical help. Autopsy findings reveal a perforated ulcer in the posterior wall of the first part of the duodenum, which damaged the artery in close proximity. Which of the following arteries was most likely ruptured?
(A) Shortgastric (B) Left gastroomental (C) Gastroduodenal (D) Splenic (E) Left gastric