Which of the following statements about the respiratory membrane is true?
a. the membrane consists of the fusion of the simple squamous epithelia of an alveolus with the endothelium of a pulmonary capillary
b. the membrane is very thin, approximately 0.5 micrometers
c. oxygen and carbon dioxide diffuse quickly because of the large surface area of the respiratory membrane
d. all of the listed statements are true
Ans: d. all of the listed statements are true
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The lacrimal bone contains a grove that forms part of lacrimal fossa. Along with the soft tissue of the lacrimal sac, these structures drain tears from the eye into the nasal passage
Indicate whether the statement is true or false
When a muscle spanning a joint contracts, it pulls the ________ toward the ________.
A. smaller bone; larger bone B. insertion; origin C. larger bone; smaller bone D. origin; insertion
Arrange the following list of membranes in correct sequence in which they function during the process of hearing.(1) Tectorial membrane(2) Vestibular membrane(3) Tympanic membrane(4) Basilar membrane
A. 1, 2, 3, 4 B. 3, 2, 4, 1 C. 4, 3, 2, 1 D. 3, 4, 1, 2 E. 2, 4, 3, 1
The kidneys, ureters, adrenal glands, aorta, and inferior vena cava are all ________
A) within the pelvic cavity B) located within the peritoneal cavity C) located within the thoracic cavity D) retroperitoneal E) inside the visceral peritoneum