Answer: d) Thoracic volume increases
Question: The walls of the alveoli are composed of two types of cells, type I and type II. The function of type II is to
Answer Choices:
A. secrete surfactant.
B. act as the primary site of gas exchange.
C. trap dust and other debris.
D. replace mucus in the air sacs.
Answer: A. secrete surfactant
Question: What is a primary result of pulmonary edema? a) Increase in arterial pressure in alveoli b) Decrease in the rate of gas exchange c) Increase in gas pressure d) Decrease in water vapor pressure
Answer: b) Decrease in the rate of gas exchange
Question: Select the correct description for external respiration: a) Osmotic air coming into the lungs b) Gas exchange between the lungs and the blood c) Gas exchange between the blood and body tissues d) Gas exchange in the atmosphere e) Cellular respiration
Answer: b) Gas exchange between the lungs and the blood
Question: The main site of gas exchange is the _______.
Answer Choices:
A. alveolar sacs
B. bronchi
C. respiratory bronchioles
Answer: A. alveolar sacs
Question: The receptor membranes of gustatory cells are
Answer Choices:
A. Basal cells
B. Gustatory hairs
C. Taste buds
D. Hairs
Answer: B. Gustatory hairs
Question: Light passes through the following structures in which order?
Answer Choices:
A. cornea, vitreous humor, lens, aqueous humor
B. vitreous humor, lens, aqueous humor, cornea
C. aqueous humor, lens, vitreous humor
D. cornea, aqueous humor, lens, vitreous humor
Answer: D. cornea, aqueous humor, lens, vitreous humor
Question: Select the route through the digestive tract where food moves. a) Oral cavity, esophagus, stomach, large intestine b) Pharynx, esophagus, large intestine, small intestine c) Stomach, esophagus, large intestine, small intestine d) Oral cavity, stomach, small intestine, large intestine
Answer: d) Oral cavity, stomach, small intestine, large intestine
Question: Where the respiratory zone of the lungs begins.
Answer Choices:
A. Respiratory bronchioles
B. Alveolar duct
C. Terminal bronchioles
D. Type II cells
Answer: A. Respiratory bronchioles
Question: What ring of cartilage forms the base of the larynx? a) Thyroid cartilage b) Cricoid cartilage c) Cuneiform cartilage d) Arytenoid cartilage e) Epiglottis
Answer: a) Thyroid cartilage
Question: Select the correct statement about the pharynx.
Answer Choices:
A. The pharyngeal tonsil is located in the laryngopharynx.
B. The laryngopharynx blends posteriorly into the nasopharynx.
C. The auditory tube drains into the nasopharynx.
D. The palatine tonsils are embedded in the lateral walls of the nasopharynx.
Answer: C. The auditory tube drains into the nasopharynx
Question: Arrange the following structures in the order air passes through them during inspiration: (1) alveolus (2) respiratory bronchiole (3) alveolar duct (4) terminal bronchiole
Answer Choices:
a) 1, 2, 3, 4
b) 4, 3, 2, 1
c) 2, 3, 1, 4
d) 3, 2, 4, 1
e) 4, 2, 3, 1
Answer: b) 4, 3, 2, 1
Question: During inspiration, contraction of the diaphragm causes the volume of the Thor’s family’s thoracic cavity to increase and the pleural pressure to decrease. The pressure in her alveoli (Palv) will _____. a) Increase b) Decrease
Answer: b) Decrease
Question: Select the true statement. a) As alveolar volume increases, alveolar pressure (Palv) decreases. b) In contraction of thoracic muscle increasing, c) Coughs, the bronchioles become narrower. d) As thoracic volume decreases, alveolar pressure (Palv) decreases. e) Pressure is directly proportional to volume.
Answer: a) As alveolar volume increases, alveolar pressure (Palv) decreases.
Question: Select the correct statement about olfaction.
Answer Choices:
A. Olfactory receptors have a high degree of specificity toward a single type of chemical.
B. Some of the sensation of olfaction is actually one of pain.
C. Olfactory adaptation is only due to fading of receptor response.
D. Substances must be volatile and hydrophobic in order to activate olfactory receptors.
Answer: D. Substances must be volatile and hydrophobic in order to activate olfactory receptors (Marked correct)