Select the correct statement regarding the Intrapulmonary pressure A) difference of atmospheric and respiratory pressures B) it is always negative C) pressure within the alveoli of the lungs D) pressure in the space between the visceral and parietal pleurae

A 5-year-old child announces to her parents (former A&P students) that she is going to hold her breath until she is allowed to watch more television. The parents are not worried. (a) Explain why the parents are not worried. (b) Explain how the child’s blood carbon dioxide levels and blood hydrogen ion and bicarbonate ion levels change while she is holding her breath.

Describe the purpose of: (1) surfactant, (2) the ribs, (3) therespiratory membrane, (4) the diaphragm, (5) alveolarmacrophages, and (6) the bronchial artery.

In both lungs, the surface that is the largest is the (a) costal, (b) mediastinal, (c) inferior (base), (d) superior (apex).

Need with explanation

A 52-year-old woman comes to the physician because of hoarseness for 2 weeks. On examination, one vocal fold is devied toward the midine and does not abduct during deep inspiration Dysfunction of which of the following laryngeal muscles is the most likely cause of the lack of abduction? A) cricoarytenoid B) Lateral cricoarytenoid C) Posterior cricoarytenoid D) Thyroarylenold E) Transverse arytenoid

Which of the following landmarks are used to size an oropharyngeal airway properly? A) Tip of the nose to the far portion of the ear B) Corner of the mouth to tip of ear lobe C) Corner of mouth to top of the ear D) Center of the jaw to edge of the ear

Why is the epiglottis important for Swallowing?

Gas exchange in the lungs takes place in the (a) alveoli, (b) bronchioles, (c) segmental bronchi, (d) lobar bronchi.